Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Data Representation

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

All data needs to converted to binary for computer storage.

a)

TRUE

b)

FALSE

2.

BIT is _____________.

a)

big IT

b)

Big India Technology

c)

binary digit

d)

binary IT

3.

How many bits make 1 byte?

a)

4

b)

10

c)

8

d)

16

4.

Computer can only convert and store alphabets and numbers.

a)

Yes. Computer only needs characters.

b)

No. There are many other data that computer can store

c)

I give up

5.

Select what data a computer can store

a)

image

b)

sound

c)

text

d)

water

e)

money

6.

Computer can convert sound into binary

a)

Yes

b)

No

7.

Sound is stored in computer as analog wave.

a)

Yes

b)

No

8.

____________ is used to convert the analogue wave to digital sound

a)

Analogue-to-Digital Convertor

b)

Digital to Analogue Convertor

c)

Analogue Wave Convertor

9.

How is an image being stored as binary code?

a)

a drawing

b)

RGB value for every pixel of the image

c)

boxes of colors

10.

What are the 3 main colors on computer screen that it used to generate color images.

a)

red

b)

white

c)

yellow

d)

blue

e)

green

11.

Maximum numbers of colour tones a computer can generate.

a)

256

b)

16,777,216

(16.8 millions)

c)

2

d)

512

12.

In Unicode and ASCII, each character is represented by a number.

a)

Yes

b)

No

13.

Emojis can be converted into binary and stored in computer.

a)

Yes

b)

No

14.

What is the purpose of ASCII and Unicode?

a)

character encoding to process and store characters in binary

b)

to convert analogue signal to digital signal

c)

scanning of image into computer

15.

We can refer to ASCII table to encode characters of every languages in the world.

a)

no

b)

yes

16.

Which can represent more characters? ASCII or UNICODE.

a)

ASCII

b)

UNICODE

c)

BOTH

17.

What is the maximum number of BITS for a single character in UNICODE

a)

8

b)

16

c)

24

d)

32