Computer Science Class: VII Questions

  Term III
Time: 40 Min                        Total Marks: 25
Name: _____________                        Date: ___________
Subject:  Computer Science                                                Class: VII
Questions
1 2 3 Total Marks
Marks Obtained

Instruction:
 Attempt all Questions.
Overwritten/re-written answers will be considered wrong.
Separate sheets will be used for subjective part.

Objective Part
Q.1. Fill in the blanks.   (05)
We use _________________________ for counting different things.
Radix is the ________________ of the number system.
The base of the Decimal number system is _________________.
The base of the Hexadecimal number system is _______________.
The base of the Octal number system is _________________.
Q2. Write T for true and F for false statements.    (05)
Computer uses Hexadecimal Number System to store data.    ______
The radix of Octal Number system is 16.    ______
8 bytes form a bit.    ______
Bits do not store data when they are OFF.              ______
The combination of 1024 KB is called a kilobyte .    ______
 

Subjective Part

Q3. Answer the following questions. (15)
What is difference between a Bit and a Byte? (05)
Convert 86(10) to Binary. (05)
Convert 011011(2) to Decimal. (05)














Answer Key
Q.1. Fill in the blanks.   (05)
Number system
Base
16
10
8
Q2. Write T for true and F for false statement.      (05)
F
F
F
F
T
Subjective Part
According to the textbook. (15)
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