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Worksheets

Data Representation

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.

As humans we process ____ type of data

a)

Analog

b)

Digital

2.

Computers process_______ type of data

a)

Analog

b)

Digital

3.

In our daily life we use ___ number system

a)

binary

b)

decimal

c)

hexadecimal

4.

Base 10 number systems are called

a)

Binary

b)

Denary

c)

Octal

d)

Hexadecimal

5.

Binary number system is a base ___ number system

a)

10

b)

2

c)

16

d)

8

6.

Computers uses ____ number systems

a)

binary

b)

hexadecimal

c)

denary

d)

octal

7.

Convert the denary number 6 to a 4-bit binary number.

(a)  

8.

What is the largest denary number that can be created with an 8 bit binary number?

(a)  

9.

The hexadecimal number system uses numbers from ___ to ____

a)

0 - 9

b)

0 -15

c)

0-16

d)

0 - F

10.

Hexadecimal number system uses letters from ____ to ____

a)

1- 15

b)

1 - 10

c)

1- F

d)

A - F

11.

Convert the hexadecimal A2 to a binary number

(a)  

12.

Convert the binary number 100111010001 to hexadecimal

(a)  

13.

Programmers often use ______ number system when writing and analysing computer programs

a)

Binary

b)

Denary

c)

Hexadecimal

d)

Octal

14.

____ Is a shorter way of representing binary numbers

a)

Hexadecimal

b)

Denary

c)

Decimal

15.

Add the 8-bit binary values 00011001 and 01000011

(a)  

16.

___ Is the type of error that occurs when a number larger than a register can store is generated when adding the binary numbers

a)

Overflow error

b)

Binary error

c)

Data transmission error

17.

Perform two logical shifts to the right on the binary number 11101100

(a)  

18.

The ____ complement is the negative of a number

a)

Ones

b)

Twos

19.

What is the ones complement of the binary number 01001011

(a)  

20.

Write the twos' complement of the binary number 11001100

(a)