Computer architecture
Previous year question paper with solutions for Computer architecture
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- Show with a block diagram how different components of a computer system are connected together.
- A computer uses memory unit of 512 words of 16 bits each. A binary instruction code is stored in one word of memory. The instruction has four parts: an indirect bit, an operation code, a register code to specify one of 8registers and an address part. How many bits are there in each part?
- Perform the operation (–29) + (18) with binary numbers represented in signed 2's compliment form.
- Draw the bus architecture of 8085 MP.
- What are main characteristics of RISC processor architecture?
- How I/O devices communicate with each other?
- Define hit ratio.
- What do you mean by Transaction processing benchmark?
- List the operational modes of 8255 interface.
- Compare SIMD and MIMD machines.
- What is computer organization?
- What is the necessity of connecting variety of memory devices to a computer?
- What do you mean by hardware interrupt?
- How virtual memory is useful in memory hierarchy?
- List the functions of 8255.
- Compute (1010010)2 – (1000111)2 using 2’s complement.
- What is control memory?
- An 8-bit register contains the binary value 10000101. What is the register value after arithmetic shift left?
- What do you understand by the terms “loosely coupled” and “tightly coupled” in parallel computers?
- What is the role of shift registers in digital computers?
- What are the basic functional units of a computer?
- Draw the block diagram of a 2’s complement Subtractor.
- Explain the concept of virtual memory.
- Discuss the different types of ROMs.
- What is Inter-process communication?
- Draw a schematic diagram of the memory hierarchy.
- What is a priority Interrupt?
- Briefly discuss the basic organization of a micro programmed control unit.
- The address of a memory location to be accessed is in register R1 and the memory data are to be loaded into register R2. Specify the sequence of operations involved.
- Differentiate serial and parallel communication.