Solved question paper for MP May-2008 (DIPLOMA 4th)
Solved Question Paper
Microprocessors May-2008
PSBTE • DIPLOMA • Information Technology • 4th • May-2008
Microprocessors for Punjab State Board of Technical Education Diploma in Engineering Information Technology 4th semester is a subject page where students can quickly find subject-wise previous year question papers and exam-preparation material. It helps with revision, understanding recurring question styles, and getting familiar with the exam pattern and marking approach used in past papers. Use this page to check whether Microprocessors PYQ material is available before opening the subject page, and to support focused study for semester exams. BRpaper is not the official website of Punjab State Board of Technical Education or any university or board.
Solved Questions
Solved-
The __________ generates signals within microprocessor to carry out the instruction, which has been decoded.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2008 i. ______ generates signals within microprocessor to carry out the instruction, which has been decoded.
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The __________ performs the actual numerical and logic operation such as add, subtract, AND, OR, etc. in a microprocessor.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2008 ii. The ______ performs the actual numerical and logic operation such as ‘add’, ‘subtract’, ‘AND’, ‘OR’, etc. in a microprocessor.
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The accumulator is an __________ bit register in 8085.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2017 Accumulator (A) in 8085 is __________ bit register.
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May 2016 Accumulator is _____ bit register.
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May 2008 iii. The accumulator is an ______ bit register in 8085.
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The instruction JC (Jump on Carry) is implemented to change the sequence of a program when __________ flag is set.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2008 iv. The instruction JC (Jump on Carry) is implemented to change the sequence of a program when ______ flag is set.
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The total number of address lines in 8085 is __________.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2018 8085 has _______ addressing modes.
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Dec 2018 8085 microprocessor has ______addressing mode.
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May 2017 8085 has _________ address lines.
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May 2017 8085 has_________ address lines.
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May 2016 8085 is having _____ data lines.
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May 2015 8085 have ______ address lines and _______ data lines.
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Dec 2010 The addressing capacity of 8085 is ______.
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Dec 2010 The addressing capacity of 8085 is ________.
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May 2008 v. The total number of address lines in 8085 is ______.
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HLDA stands for __________.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2008 vi. HLDA stands for ______.
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INTR stands for __________.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2008 vii. INTR stands for ______.
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Interrupt is a __________ interrupt.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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SID stands for __________.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2008 ix. SID stands for ______.
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8257 is a __________ controller.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2019 8257 is a __________ controller.
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May 2017 8257 is a __________ controller.
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May 2008 x. 8257 is a ______ controller.
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What are status flags? Explain their importance.Long Answer 6 Marks May-2008 • PSBTE DIPLOMA
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May 2008 i. What are status flags? Explain their importance.
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Explain the syntax and meaning of the instruction MVI.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
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Explain the syntax and meaning of the instruction DAA.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
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Explain the concept of DMA data transfer.Long Answer 6 Marks May-2008 • PSBTE DIPLOMA
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May 2017 Explain the concept of DMA data transfer.
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Dec 2009 List various data transfer schemes. Explain DMA data transfer.
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May 2008 iii. Explain the concept of DMA data transfer.
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Explain the function of Push and Pop instructions.Long Answer 6 Marks May-2008 • PSBTE DIPLOMA
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May 2021 What is stack? Explain PUSH and POP instructions in detail.
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May 2020 What is stack? Explain its operation with PUSH and POP instructions.
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May 2019 Explain the function of PUSH and POP instructions.
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May 2017 Explain PUSH and POP instructions.
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May 2015 Explain PUSH and POP instructions of stack memory with examples.
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Dec 2015 What is stack? Explain its operation with PUSH and POP instructions.
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Dec 2010 Explain PUSH and POP instructions.
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May 2008 iv. Explain the function of Push and Pop instructions.
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Explain any two addressing modes of 8085.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
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May 2021 Discuss various addressing mode of 8085
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May 2020 Explain all the addressing modes of 8085 in detail.
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May 2019 Discuss various addressing modes of 8085.
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May 2018 Explain various addressing modes of 8085.
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May 2016 Explain the various addressing modes of 8085.
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Dec 2016 Explain the addressing modes of 8085.
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May 2015 Explain various addressing modes of 8085.
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May 2015 Discuss various addressing mode of 8085?
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Dec 2015 What is addressing mode? Explain various addressing modes of 8085.
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May 2010 Write different addressing modes in 8085 in detail.
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May 2008 v. Explain any two addressing modes of 8085.
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Discuss the need of serial I/O controller in 8085.Long Answer 6 Marks May-2008 • PSBTE DIPLOMA
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May 2008 vi. Discuss the need of serial I/O controller in 8085.
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Explain the various types of interrupts in 8085.Long Answer 6 Marks May-2008 • PSBTE DIPLOMA
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May 2021 Explain various hardware interrupts of 8085.
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May 2020 What do you mean by Interrupt? Explain various interrupts of 8085 microprocessor.
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May 2018 Explain various hardware interrupts of 8085.
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Dec 2018 Explain various interrupts of 8085.
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May 2016 What is an Interrupt? Explain various interrupts of 8085.
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May 2015 How interrupt are handled in 8085?
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May 2015 How interrupt are handled in 8085 ?
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Dec 2015 Name various hardware interrupts of 8085.
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Dec 2015 What is an interrupt? Explain hardware interrupts of 8085.
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Dec 2011 Explain the function of INTA signal of 8085.
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Dec 2011 Explain the function of INTR signal of 8085.
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May 2010 What do you mean by Interrupt and explain 8085 interrupt process?
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May 2010 What are the various hardware interrupts of 8085?
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May 2010 Explain implementation of an 8085 interrupt and also draw its timing diagrams.
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May 2010 What are the various hardware interrupts of 8085.
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Dec 2010 Briefly describe various interrupts of 8085.
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Dec 2009 What are various interrupts in 8085?
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May 2008 vii. Explain the various types of interrupts in 8085.
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Draw the pin diagram of 8085 and explain the meaning of various pins.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2020 Explain the pin diagram of 8085 microprocessor.
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May 2020 Draw and explain the internal architecture of 8085 microprocessor in detail.
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May 2019 Draw the pin diagram of 8085 & explain meaning of various pins.
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May 2018 Draw the internal architecture of 8085 and explain various functional blocks.
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Dec 2018 Draw pin diagram of 8085 microprocessor.
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Dec 2018 Draw and explain block diagram of 8085.
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May 2017 Draw the internal architecture of 8085 microprocessor and explain it.
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May 2016 Draw the pin diagram of 8085.
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May 2016 Draw and explain the block diagram of 8085.
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Dec 2016 Draw the block diagram of 8085 microprocessor and explain each block.
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May 2015 Draw PIN and block diagram of 8085. Explain its working.
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May 2015 Explain the pin out Diagram of 8085 and explain functions of each pin?
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Dec 2015 Draw pin diagram of 8085 and explain functions of each pin.
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Dec 2015 Draw pin diagram of 8085. And explain functions of each pin.
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May 2010 Explain function of each block of 8085.
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May 2010 Draw pin diagram of 8085 and explain function of each pin.
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Dec 2010 Draw the functional block diagram of 8085 and explain the function of each block.
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Dec 2009 Draw the functional block diagram of 8085 and describe the function of each block in brief.
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May 2008 Q.3 Draw the pin diagram of 8085 and explain the meaning of various pins.
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Describe the functioning of 8253 with block diagram.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2021 Draw and explain block diagram of 8255PPI.
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May 2018 Draw and explain block diagram of 8255 PPI.
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Dec 2016 Draw and explain pin and block diagram of 8255 peripheral device.
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May 2015 Draw a Block diagram of 8257 and explain its operation.
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Dec 2015 Draw and explain the block diagram of 8255.
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May 2010 Explain block diagram of 8155.
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May 2008 Q.4 Describe the functioning of 8253 with block diagram.
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Compare the important features of Z-80, 6800 and 8085 microprocessors.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2021 Compare the important feature of z80, 6800, 8085 processor?
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May 2015 Compare the important feature of z80, 6800, 8085 processor?
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Dec 2009 Compare 8085 with 6800 microprocessor.
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May 2008 Q.5 Compare the important features of z-80, 6800 and 8085 microprocessors.
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Draw and explain the block diagram of 8251 communication interface adapter.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2008 Q.6 Draw and explain the block diagram of 8251 communication interface adapter.
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Explain the term instruction cycle.Short Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2020 Explain T-state, machine cycle and instruction cycle.
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May 2015 Explain Instruction cycle?
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May 2015 Explain execute cycle?
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May 2015 Explain the following?\n(a) Instruction cycle\n(b) machine cycle\n(c) t state\n(d) Fetch cycle\n(e) execute cycle
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Dec 2015 Explain T-state, Machine cycle and Instruction Cycle.
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Dec 2011 Explain the instruction cycle and machine cycle.
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Dec 2009 What do you mean by instruction cycle? Explain.
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May 2008 Explain the term machine cycle.
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May 2008 Explain the term execute cycle.
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Explain the term machine cycle.Short Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2020 Explain T-state, machine cycle and instruction cycle.
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May 2015 Explain Instruction cycle?
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May 2015 Explain execute cycle?
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May 2015 Explain the following?\n(a) Instruction cycle\n(b) machine cycle\n(c) t state\n(d) Fetch cycle\n(e) execute cycle
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Dec 2015 Explain T-state, Machine cycle and Instruction Cycle.
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Dec 2011 Explain the instruction cycle and machine cycle.
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Dec 2009 What do you mean by instruction cycle? Explain.
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May 2008 Explain the term instruction cycle.
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May 2008 Explain the term execute cycle.
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Explain the term T-states.Short Answer 10 Marks May-2008 • PSBTE DIPLOMA
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Explain the term fetch cycle.Short Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2015 Explain fetch cycle?
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Explain the term execute cycle.Short Answer 10 Marks May-2008 • PSBTE DIPLOMA
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May 2020 Explain T-state, machine cycle and instruction cycle.
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May 2015 Explain Instruction cycle?
-
May 2015 Explain execute cycle?
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May 2015 Explain the following?\n(a) Instruction cycle\n(b) machine cycle\n(c) t state\n(d) Fetch cycle\n(e) execute cycle
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Dec 2015 Explain T-state, Machine cycle and Instruction Cycle.
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Dec 2011 Explain the instruction cycle and machine cycle.
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Dec 2009 What do you mean by instruction cycle? Explain.
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May 2008 Explain the term instruction cycle.
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May 2008 Explain the term machine cycle.
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i. ______ generates signals within microprocessor to carry out the instruction, which has been decoded.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2008 The __________ generates signals within microprocessor to carry out the instruction, which has been decoded.
-
-
ii. The ______ performs the actual numerical and logic operation such as ‘add’, ‘subtract’, ‘AND’, ‘OR’, etc. in a microprocessor.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2008 The __________ performs the actual numerical and logic operation such as add, subtract, AND, OR, etc. in a microprocessor.
-
-
iii. The accumulator is an ______ bit register in 8085.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2017 Accumulator (A) in 8085 is __________ bit register.
-
May 2016 Accumulator is _____ bit register.
-
May 2008 The accumulator is an __________ bit register in 8085.
-
-
iv. The instruction JC (Jump on Carry) is implemented to change the sequence of a program when ______ flag is set.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2008 The instruction JC (Jump on Carry) is implemented to change the sequence of a program when __________ flag is set.
-
-
v. The total number of address lines in 8085 is ______.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2018 8085 has _______ addressing modes.
-
Dec 2018 8085 microprocessor has ______addressing mode.
-
May 2017 8085 has _________ address lines.
-
May 2017 8085 has_________ address lines.
-
May 2016 8085 is having _____ data lines.
-
May 2015 8085 have ______ address lines and _______ data lines.
-
Dec 2010 The addressing capacity of 8085 is ______.
-
Dec 2010 The addressing capacity of 8085 is ________.
-
May 2008 The total number of address lines in 8085 is __________.
-
-
vi. HLDA stands for ______.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2008 HLDA stands for __________.
-
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vii. INTR stands for ______.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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May 2008 INTR stands for __________.
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viii. ______ Interrupt is a nonmaskable restart interrupt.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
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ix. SID stands for ______.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2008 SID stands for __________.
-
-
x. 8257 is a ______ controller.Fill in the Blanks 1.5 Marks May-2008 • PSBTE DIPLOMA
-
May 2019 8257 is a __________ controller.
-
May 2017 8257 is a __________ controller.
-
May 2008 8257 is a __________ controller.
-
-
i. What are status flags? Explain their importance.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
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May 2008 What are status flags? Explain their importance.
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ii. (a) MVIShort Answer 6 Marks May-2008 • PSBTE DIPLOMA
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ii. (b) DAAShort Answer 6 Marks May-2008 • PSBTE DIPLOMA
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iii. Explain the concept of DMA data transfer.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
-
May 2017 Explain the concept of DMA data transfer.
-
Dec 2009 List various data transfer schemes. Explain DMA data transfer.
-
May 2008 Explain the concept of DMA data transfer.
-
-
iv. Explain the function of Push and Pop instructions.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
-
May 2021 What is stack? Explain PUSH and POP instructions in detail.
-
May 2020 What is stack? Explain its operation with PUSH and POP instructions.
-
May 2019 Explain the function of PUSH and POP instructions.
-
May 2017 Explain PUSH and POP instructions.
-
May 2015 Explain PUSH and POP instructions of stack memory with examples.
-
Dec 2015 What is stack? Explain its operation with PUSH and POP instructions.
-
Dec 2010 Explain PUSH and POP instructions.
-
May 2008 Explain the function of Push and Pop instructions.
-
-
v. Explain any two addressing modes of 8085.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
-
May 2021 Discuss various addressing mode of 8085
-
May 2020 Explain all the addressing modes of 8085 in detail.
-
May 2019 Discuss various addressing modes of 8085.
-
May 2018 Explain various addressing modes of 8085.
-
May 2016 Explain the various addressing modes of 8085.
-
Dec 2016 Explain the addressing modes of 8085.
-
May 2015 Explain various addressing modes of 8085.
-
May 2015 Discuss various addressing mode of 8085?
-
Dec 2015 What is addressing mode? Explain various addressing modes of 8085.
-
May 2010 Write different addressing modes in 8085 in detail.
-
May 2008 Explain any two addressing modes of 8085.
-
-
vi. Discuss the need of serial I/O controller in 8085.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
-
May 2008 Discuss the need of serial I/O controller in 8085.
-
-
vii. Explain the various types of interrupts in 8085.Short Answer 6 Marks May-2008 • PSBTE DIPLOMA
-
May 2021 Explain various hardware interrupts of 8085.
-
May 2020 What do you mean by Interrupt? Explain various interrupts of 8085 microprocessor.
-
May 2018 Explain various hardware interrupts of 8085.
-
Dec 2018 Explain various interrupts of 8085.
-
May 2016 What is an Interrupt? Explain various interrupts of 8085.
-
May 2015 How interrupt are handled in 8085?
-
May 2015 How interrupt are handled in 8085 ?
-
Dec 2015 Name various hardware interrupts of 8085.
-
Dec 2015 What is an interrupt? Explain hardware interrupts of 8085.
-
Dec 2011 Explain the function of INTA signal of 8085.
-
Dec 2011 Explain the function of INTR signal of 8085.
-
May 2010 What do you mean by Interrupt and explain 8085 interrupt process?
-
May 2010 What are the various hardware interrupts of 8085?
-
May 2010 Explain implementation of an 8085 interrupt and also draw its timing diagrams.
-
May 2010 What are the various hardware interrupts of 8085.
-
Dec 2010 Briefly describe various interrupts of 8085.
-
Dec 2009 What are various interrupts in 8085?
-
May 2008 Explain the various types of interrupts in 8085.
-
-
Q.3 Draw the pin diagram of 8085 and explain the meaning of various pins.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
-
May 2020 Explain the pin diagram of 8085 microprocessor.
-
May 2020 Draw and explain the internal architecture of 8085 microprocessor in detail.
-
May 2019 Draw the pin diagram of 8085 & explain meaning of various pins.
-
May 2018 Draw the internal architecture of 8085 and explain various functional blocks.
-
Dec 2018 Draw pin diagram of 8085 microprocessor.
-
Dec 2018 Draw and explain block diagram of 8085.
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May 2017 Draw the internal architecture of 8085 microprocessor and explain it.
-
May 2016 Draw the pin diagram of 8085.
-
May 2016 Draw and explain the block diagram of 8085.
-
Dec 2016 Draw the block diagram of 8085 microprocessor and explain each block.
-
May 2015 Draw PIN and block diagram of 8085. Explain its working.
-
May 2015 Explain the pin out Diagram of 8085 and explain functions of each pin?
-
Dec 2015 Draw pin diagram of 8085 and explain functions of each pin.
-
Dec 2015 Draw pin diagram of 8085. And explain functions of each pin.
-
May 2010 Explain function of each block of 8085.
-
May 2010 Draw pin diagram of 8085 and explain function of each pin.
-
Dec 2010 Draw the functional block diagram of 8085 and explain the function of each block.
-
Dec 2009 Draw the functional block diagram of 8085 and describe the function of each block in brief.
-
May 2008 Draw the pin diagram of 8085 and explain the meaning of various pins.
-
-
Q.4 Describe the functioning of 8253 with block diagram.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
-
May 2021 Draw and explain block diagram of 8255PPI.
-
May 2018 Draw and explain block diagram of 8255 PPI.
-
Dec 2016 Draw and explain pin and block diagram of 8255 peripheral device.
-
May 2015 Draw a Block diagram of 8257 and explain its operation.
-
Dec 2015 Draw and explain the block diagram of 8255.
-
May 2010 Explain block diagram of 8155.
-
May 2008 Describe the functioning of 8253 with block diagram.
-
-
Q.5 Compare the important features of z-80, 6800 and 8085 microprocessors.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
-
May 2021 Compare the important feature of z80, 6800, 8085 processor?
-
May 2015 Compare the important feature of z80, 6800, 8085 processor?
-
Dec 2009 Compare 8085 with 6800 microprocessor.
-
May 2008 Compare the important features of Z-80, 6800 and 8085 microprocessors.
-
-
Q.6 Draw and explain the block diagram of 8251 communication interface adapter.Long Answer 10 Marks May-2008 • PSBTE DIPLOMA
-
May 2008 Draw and explain the block diagram of 8251 communication interface adapter.
-
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Q.7 (a) instruction cycleShort Answer 10 Marks May-2008 • PSBTE DIPLOMA
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Q.7 (b) machine cycleShort Answer 10 Marks May-2008 • PSBTE DIPLOMA
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Q.7 (c) t-statesShort Answer 10 Marks May-2008 • PSBTE DIPLOMA
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Q.7 (d) fetch cycleShort Answer 10 Marks May-2008 • PSBTE DIPLOMA
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Q.7 (e) execute cycleShort Answer 10 Marks May-2008 • PSBTE DIPLOMA
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FAQ
Frequently Asked Questions
Answers about this subject, solved papers, and preparation.
01 Where can I find Microprocessors previous year question papers for PSBTE Diploma IT 4th semester?
You can use this subject page to look for Microprocessors PYQ material for PSBTE Diploma IT 4th semester and check availability before opening the paper.
02 Does this page provide subject-wise question papers for Diploma Information Technology semester 4?
This page is meant for subject-wise discovery, so students can quickly find Microprocessors previous year question papers for the 4th semester IT course.
03 Can I use old Microprocessors papers for revision?
Yes. Old question papers help students revise important topics, understand repeated question styles, and get a better idea of the exam pattern.
04 Is a solved paper or answer key guaranteed here?
Not always. BRpaper focuses on helping students find question papers, and any solved paper or answer key depends on what is available for this subject page.
05 Can I download the Microprocessors question paper PDF?
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