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






