Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

untitled

Total questions: 20

Worksheet time: 24mins

Name
Class
Date
1.

The base of hexadecimal number system is

a)

2

b)

16

c)

8

d)

10

2.

In hexadecimal number system A is equal to

a)

10

b)

11

c)

15

d)

12

3.

The range of decimal number syatem is

a)

1 to 9

b)

0 to 9

c)

0 to 8

d)

0 to 7

4.

The greatest digit of decimal number system is

a)

9

b)

0

c)

1

d)

5

5.

In hexadecimal number system D is euivalent of

a)

10

b)

11

c)

13

d)

12

6.
What kind of data does a computer represent with binary?
a)
numbers
b)
letters
c)
pictures
d)
all of the above
7.

What number system do we use to count in the real world?

a)

Hexadecimal

b)

Decimal

c)

Octal

d)

Binary

8.

(CB7F)16 = (?)2

a)

0011010010000

b)

1100101101111111

c)

01110100100001

d)

1100011010011

9.

(11101101011011)2 = (?)8

a)

35533

b)

53355

c)

35355

d)

36633

10.

Convert the binary number 0111 1001 to Hex

a)

8A

b)

79

c)

7A

d)

89

11.

Convert the following Hexadecimal into Binary:


6 A

a)

0100 1000

b)

0110 1010

c)

1111 0000

d)

0110 1111

12.
Write 2 x 2 x 2 x 2 in index form
a)
23
b)
25
c)
16
d)
24
13.

________________ NUMBER SYSTEM IS UNDERSTOOD BY THE COMPUTER SYSTEM.

a)

BINARY

b)

HEXA DECIMAL

c)

DECIMAL

d)

OCTAL

14.
RAM & ROM are known as what kind of memory?
a)
Secondary storage
b)
Main memory
c)
Registers
d)
Flash memory
15.

A group of 8 bits is called a

a)

bit

b)

byte

c)

Gigabyte

d)

Megabyte

16.

1 Kilobyte is

a)

1028 bytes

b)

1000 bytes

c)

1024 bytes

d)

1025 bytes

17.
A computer has 1024 megabytes of RAM. That is the same as ...
a)
1 Gb
b)
1000 Gb
c)
1 Kb
d)
1 Tb
18.

Which operator will evaluate to True if both sides are True and False otherwise?

a)

and

b)

or

c)

not

d)

in

19.

Which operator will negate the value of the Boolean expression after it?

a)

and

b)

or

c)

not

d)

in

20.

If the "num" variable has value 0, is this expression True or False?


num < 0 and num > 10

a)

True

b)

False