Previous year question paper for CAM (Diploma Computer Engineering 3rd)

1. PC Hardware Overview

Block diagram of digital computer. IBM PC family. IBM PC hardware

components. Device controller. Hardware-Software Interaction in PC. Factors

affecting the performance of computer. Importance of electrostatic

discharging (ESD).

2. Keyboard and Mouse (8 hrs)

 2.1 Keyboard

Types/categories of keyboards. Keyboard working. Keyboard selection.

Key switch debouncing. Keyboard troubleshooting. Keyboard care and

Preventive Maintenance.

 2.2 Mouse

Types/categories of mouse. Mouse Working. Mouse Selection. Mouse

Troubleshooting. Mouse care and Preventive Maintenance.

3. Printers (13 hrs)

Printers

 Types/categories of printers.

DMP

Types of Dot Matrix Printer .Construction and Working of Dot Matrix

Printer, Printer interfaces, DMP cartridges, Troubleshooting Dot Matrix

Printer, Care and Preventive Maintenance of Dot Matrix Printer .

 Inkjet Printer

Types of Inkjet printer, Construction and Working of Inkjet Printer, Inkjet

cartridges, Troubleshooting Inkjet Printer, Care and Preventive

Maintenance of Inkjet Printer, Construction and Working of Laser Printer.

 Laser Printer

Types of Laser printer, Working of Laser Printer, Laser printer cartridges,

Troubleshooting Laser Printer, Care and Preventive Maintenance of Laser

Printer.

4. Monitors (5hrs)

 Display Adapter, Features of CGA, EGA, VGA, SVGA, XGA, Construction

and working of CRT based display devices, Random Scanning and Raster

Scanning, Beam Penetration and shadow masking methods of producing

colors, Introduction to current CRT and Flat Panel monitors. Introduction to

Graphics Accelerators.

5. Other input/ Output Devices (Brief Introduction) (3hrs)

 Scanner. Plotter. Speaker, Microphone, Web Camera, Joy Stuck, Light

Pen, Bar code Reader, MODEM - Internal MODEM, External MODEM, Care

and Preventive Maintenance of Input/Output Devices.

6. Memory Devices (8 hrs )

Definition and need of memory, Memory hierarchy diagram, Bits and Bytes,

Secondary Memory Devices, Types of Hard Disk Drive

(IDE/EIDE/ATA/PATA/SATA/SCSI/Solid State) PATA Vs SATA,

Construction and working of HDD, Logical structure of hard disk and its

organization, HDD interfaces, Introduction to Floppy Disk and Floppy Disk

Drive, Introduction to various Optical Disks (CDROM and DVD ) and their

drives.

CD/DVD Writer , Introduction to pen drive.

Primary Memory, RAM and ROM categories, Static and Dynamic R/W

Memory, Physical Memory Organization ( RAM Packaging ), Difference

between Single data rate SDRAM and Double data rate , SDRAM

7. Motherboard and Microprocessor ` (6 hrs)

Motherboard: History, IBM Approach, PC Motherboard Functions

Motherboard Components ,Types of expansion slots and buses

Microprocessor: History, Microprocessor as the brain of PC,

Coprocessor/Math processor, Compatibility of microprocessor with

motherboard.

8. Power Supply (4 hrs)

Need/Function of power supply in PC, Types of power supplies – Linear and

SMPS, PC power supply (SMPS) – AT and ATX, Block diagram and

working of SMPS , Output Connectors of SMPS, Upgrading/Replacing

SMPS inside PC’s system box, Troubleshooting SMPS, Care and

Preventive Maintenance of SMPS.

9. Troubleshooting PC (7 hrs)

Preventive Maintenance, Troubleshooting and Repair, Preventive

Maintenance Plan/Schedule, Nature of PC faults, Types of PC faults,

Troubleshooting strategy, Basic diagnostic software and hardware tools,

Different troubleshooting techniques (Functional Area Approach, Split Half

Method, Divergent, convergent and feedback path Method).

 10. Assembling the Computer System (2 hrs)

Study of latest configuration of computer system, Introduction and steps for

assembling and disassembling of the Computer system .Precautions for

assembling and disassembling the computer system.

11. Preparation of Computer Centre (2 hrs)

Prepare List of Hardware required for computer centre, Calculation of power

supply requirement for the computer centre, Calculation of A.C. requirement

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for the computer laboratory, Calculation of UPS requirement for the

computer laboratory.