Computer Awareness Practice test -8 for Ibps exam

1. _____Is a program which reproduces itself?

a) Virus

b) Software

c) a and b

d) None

2. ____Viruses that aim at the boot sector of a hard drive are infect-ing a very crucial component of the boot process?

a) File infection virus

b) Boot virus

c) Network virus

d) E-mail virus

3. _____Is the virus that they will attach themselves to EXE files, compressed files like ZIP files and driver files?

a) File infector virus

b) Boot virus

c) Network virus

d) E-mail virus

4. _____Is the virus, which is uniquely created to quickly spread throughout the local area network?

a) File infector virus

b)Boot virus

c) Network virus

d) E-mail virus

5. Which of the following are the main purposes of an operating system?

a) To provide an environment for a computer user to execute programs on a computer hardware in a convenient and efficient manner

b) To allocate separate resources of the computer as needed to solve the problem given

c) Supervision of the executions of user programs to prevent errors and improper use of computer d) All of the above

6. Define acronym 'spooling'?

a) Simultaneous Peripheral Operation On-line

b) Simultaneous Peripheral Operation Off-line

c) Simultaneous Peripheral Organization On-line

d) System Peripheral Operation On-line

7. Several programs are in a memory concurrently; the syste-m switches among the programs for efficient processing and minimal idle time is called____?

a) Multi tasking

b) Multi programming

c) Multi functioning

d) None of the above

8. ____ Is the using scheduling and multiprogramming to provide an economical interactive system of two or more users?

a) Time sharing

b)Time changing

c) Processing

d) None

9. ____Is a system with two or more central processing units?

a) No definition

b) Multi processor

c) Double processor

d) None

10. ____ Is the system where fast response is desirable, but not required?

a) Real time systems

b) Time sharing systems

c) a and b

d) None

11. ____Is the system where processing must be completed with in certain time constraints appropriate for the system?

a) Real time systems

b) Time sharing systems

c) a and b

d) None

12. ____Is the smallest block that can be read or written on a disk?

a) Sector

b) Track

c) Disk

d) None of the above

13. ____Is the collection of sectors all as same circumference on a single surface?

a) Track

b) Sector

c) Disk

d) None of the above

14. ____Is the time interval when a process uses Central Processing Unit only?

a) CPU burst

b) I/O burst

c) (a)And(b)

d) Either (a)or(b)

15. ____Is the time interval when a process uses I/O devices only?

a) CPU burst

b) I/O burst

c) (a)And(b)

d) Either (a)or(b)

16. ____Is simply consists of one or more attributes that determine other attributes?

a) Lock

b) Database

c) Key

d) None of the above

17. Be unique is the characteristic of the ____key?

a) Primary

b) Secondary

c) Foreign

d) Candidate

18. A unique key can uniquely identify each ____ in a table?

a) Field

b) Row

c) File

d) Database

19. ____Is a database that treats all of its data as a collection of relations?

a) Relational database

b) Rational database

c) a and b

d) None

20. ____Is the precise set of instructions that describes how to perform a specific tasks?

a) Algorithm

b) Graph

c) Pie chart

d) None of the above