Bharathiar University 2008-3rd Sem B.C.A Computer Application Bachelor of , - - PC Hardware - Question Paper

Bachelor of Computer Application (BCA), APR - 2008

PC Hardware (Sem 3)

1. The disk drive and tape are example for _____________.
a. Input unit
b. Output unit
c. Secondary memory
d. Primary memory
1.0 Mark(s)
2. The _____________ scheme perform both fault detection and correction.
a. Parity check
b. CRC
c. ECC
d. CRCC
1.0 Mark(s)
3. The _____________ input device is used in CAD applications.
a. Plotter
b. Lightpen
c. Joystick
d. Digitiser
1.0 Mark(s)
4. The dot matrix printer is an example of _____________ printer.
a. Draft
b. LQP
c. NLQ
d. Bed
1.0 Mark(s)
5. _____________ is used for storing temporary data and intermediate outcomes.
a. ALU
b. Flags
c. Scratchpad registers
d. Control logic
1.0 Mark(s)
6. Th _____________ is a sysnchronisation signal which synchronises multiple 8284s in a system.
a. CLOCK
b. PCLK
c. CSYNC
d. OCN
1.0 Mark(s)
7. To blank a character, the video data stream is forced to _____________.
a. 0
b. 1
c. 2
d. 11
1.0 Mark(s)
8. In Motorola 6845 _____________ is used to address the character generator.
a. D7 to D0
b. RA4 to RA0
c. RS
d. MA0 to MA13
1.0 Mark(s)
9. In DOS, _____________ command is used to display files in a directory.
a. DIR
b. NER
c. MKDIR
d. CHDIR
1.0 Mark(s)
10. The _____________ is a test tool which detects current flow in electronic circuits.
a. Logic probe
b. Logic pulser
c. Current tracer
d. System Tester
1.0 Mark(s)

11. a. discuss the basic structure of a computer.

Or

b. Write a note on different fault detection techniques.
5.0 Mark(s)

12. a. elaborate the different special peripherals used with computer? discuss.

Or

b. Write a note on keyboard interface.
5.0 Mark(s)

13. a. explain the different flags available in 8088.

Or

b. Write a note on 8255-A-5 programmable peripheral interface.
5.0 Mark(s)

14. a. discuss the different attributes of a CRT screen.

Or

b. Differentiate ranging from asynchronous and synchronous communication.
5.0 Mark(s)

15. a. elaborate the factors to be considered before installing a computer?

Or

b. discuss POST messages.
5.0 Mark(s)

16. a. Write a note on interrupts.

Or

b. discuss the different control signals available in control bus.
8.0 Mark(s)

17. a. discuss the different kind of printers.

Or

b. Write a note on harddisk controller.
8.0 Mark(s)

18. a. discuss coprocessor.

Or

b. Write a note on clock generator 8284.
8.0 Mark(s)

19. a. discuss in detail about CRT display unit.

Or

b. explain the different internal registers of 8250.
8.0 Mark(s)

20. a. explain the different installation practices.

Or

b. discuss the fault elimination process.
8.0 Mark(s)

Earning:   Approval pending.