CSS Paper Past Computer Sciecne MCQs [2006]

Q.8 (A) Write the terms on your answer book for whom the following abbreviations stand for:

1) BIOS : Basic Input and output system
2) DOS  : Disk operating system
3) SIMM : single inline memory module
4) SCSI : Small Computer System Interface5) DASD Direct Access storage device

(B) Choose the most appropriate answer from the given set of options:

6) The processor’s components are synchronized by:
a. Instructions
b. Data
c. Information
d. Clock pulses
7) External devices are linked to a small computer system through:
a. Channels
b. Control units
c. Plugs
d. interfaces
8) Data on disk are recorded on a series of concentric circle called:
a. Sectors
b. Cylinders
c. Blocks
d. Tracks

9) The simplest data structure is a:
a. File
b. List
c. Record
d. Array

10) Several computers linked by communication lines for a:
a. Network
b. Distributed system
c. Time share system
d. Ring


(C) write true (T) or false (F) in your answer book about following statements:

11) programs are loaded into main memory by the operating system’s memory manager
12) with sequential access, records can be accessed in any order False
13) the process of removing errors from a program is called compilation False
14) data flow over a bus is parallel
15) one instruction is fetched and executed by computer during a single machine cycle True