Saturday, 1 December 2012

MODEL BITS

                            DIPLOMA COMPUTER SCIENCE IMPORTANT BITS

 1.
Which of the following languages is more suited to a structured program?
A. PL/1
B. FORTRAN
C. BASIC
D. PASCAL
E. None of the above
   ans: D
2.
A computer assisted method for the recording and analyzing of existing or hypothetical systems is
A. Data transmission
B. Data flow
C. Data capture
D. Data processing
E. None of the above
    ans:B
3.
The brain of any computer system is
A. ALU
B. Memory
C. CPU
D. Control unit
E. None of the above
    ans:C
4.
What difference does the 5th generation computer have from other generation computers?
A. Technological advancement
B. Scientific code
C. Object Oriented Programming
D. All of the above
E. None of the above
     ans:A

5.
Which of the following computer language is used for artificial intelligence?
A. FORTRAN
B. PRO LOG
C. C
D. COBOL
E. None of the above
    ans:B
6.Which command of MS-DOS is used to copy only files that have been modified on or after the date you specify?
A. X COPY/D : date
B. COPY/D : date
C. COPY/M
D. X COPY/V
E. None of the above
Answer & Explanation
Answer: Option A

7.Which DOS command will format a floppy disk and transfer the system files
A. SYS C: A:
B. SYS A:
C. FORMAT A: /S
D. FORMAT A: /T
E. None of the above

Answer & Explanation

Answer: Option C
8.While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?
A. COPY
B. DISK COPY
C. RESTORE
D. STORE
E. None of the above

Answer & Explanation

Answer: Option C
9.The term TSR is an abbreviation for:
A. Terminate Stay Ready
B. Testing System Read
C. Terminal Still Ready
D. Terminate Stay Resident
E. None of the above

Answer & Explanation

Answer: Option D
10.Using the _____ switch causes F DISK to display the partition status of your hard disk without executing F DISK.
A. /show
B. /display
C. /status
D. /part
E. None of the above

Answer & Explanation

Answer: Option C

11. From what location are the 1st computer instructions available on boot up?
A.            ROM BIOS
B.            CPU
C.            boot.ini
D.            CONFIG.SYS
E.            None of the above
Answer & Explanation
Answer: Option A
12. What could cause a fixed disk error.
A.            No-CD installed
B.            bad ram
C.            slow processor
D.            Incorrect CMOS settings
E.            None of the above
Answer & Explanation
Answer: Option D
13. Missing slot covers on a computer can cause?
A.            over heat
B.            power surges
C.            EMI.
D.            incomplete path for ESD
E.            None of the above
Answer & Explanation
Answer: Option A
14. When installing PCI NICS you can check the IRQ availability by looking at
A.            dip switches
B.            CONFIG.SYS
C.            jumper settings
D.            motherboard BIOS
E.            None of the above
Answer & Explanation
Answer: Option D
15. With respect to a network interface card, the term 10/100 refers to
A.            protocol speed
B.            a fiber speed
C.            megabits per seconds
D.            minimum and maximum server speed
E.            None of the above
Answer & Explanation
Answer: Option C
16.Which Motherboard form factor uses one 20 pin connector
A.            ATX
B.            AT
C.            BABY AT
D.            All of the above
E.            None of the above
Answer & Explanation
Answer: Option A
17.  A hard disk is divided into tracks which are further subdivided into:
A.            clusters
B.            sectors
C.            vectors
D.            heads
E.            None of the above
Answer & Explanation
Answer: Option B
18.  A wrist grounding strap contains which of the following:
A.            Surge protector
B.            Capacitor
C.            Voltmeter
D.            Resistor
E.            None of the above
Answer & Explanation
Answer: Option D
19. Which standard govern parallel communications?
A.            RS232
B.            RS-232a
C.            CAT 5
D.            IEEE 1284
E.            None of the above
Answer & Explanation
Answer: Option D
20.  In laser printer technology, what happens during the conditioning stage?
A.            The corona wire places a uniform positive charge on the paper
B.            A uniform negative charge is placed on the photosensitive drum
C.            A uniform negative charge is placed on the toner
D.            All of the above
E.            None of the above
Answer & Explanation
Answer: Option B


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