Time: 1: 30 hrs
Class: 7 FM:
40
Subject:
Computer science PM:
16
1.Very short answer
question any five.
a. What is the name first calculating device
developed in china?
b. Write a name of main component used in third
generation computer.
c. List any two type of computer software.
d. List any two operating system software.
e. List any two antivirus program.
f. Classify the computer on the basis of task.
2.Short answer
questions 5 x3=15
a. Write the feature of first generation computer.
b. Write an four function operating system
c.List the four method of protecting computer from
computer virus.
d What is language processor?
e.What is keyword in qbasic programming.
3.Write
technical term of following statement. [2]
a. A set of instruction given to a computer to
perform a task.
b. Acomputer that works on continuous flow of data.
c. A collection of related information which is
stored in a disk.
d. Readmade software that can perform some specific
tasks.
4. Write full
form [2]
a.ABC b. CU c. ROM d.
OS
5. convert as
instructed [2]
a. (1111)2 into decimal b. (165)10 into decimal.
6.State the
following statement are true or false. [2]
a. Second generation computer were faster , smaller
ad more powerful than b. first generation computer.
c. Software is the physical part of computer.
d. Computer
virus can replicate but cannot execute itself.
7.Long answer
question any three.4x3=12
a. What is flowchart ? Draw a flowchart that
calculate sum of two number.
b. What a qbasic program that calculate area of
rectangle
c. What is rule for naming variable.
d. Why qbasic is called interpreter.
**** Good Luck****
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