Data Representation - Assessment

1.

Multiple Choice

30 sec

1 pt

All data needs to converted to binary for computer storage.

TRUE

FALSE

2.

Multiple Choice

30 sec

1 pt

BIT is _____________.

big IT

Big India Technology

binary digit

binary IT

3.

Multiple Choice

30 sec

1 pt

How many bits make 1 byte?

4

10

8

16

4.

Multiple Choice

30 sec

1 pt

Computer can only convert and store alphabets and numbers.

Yes. Computer only needs characters.

No. There are many other data that computer can store

I give up

5.

Multiple Select

45 sec

1 pt

Select what data a computer can store

image

sound

text

water

money

6.

Multiple Choice

30 sec

1 pt

Computer can convert sound into binary

Yes

No

7.

Multiple Choice

30 sec

1 pt

Sound is stored in computer as analog wave.

Yes

No

8.

Multiple Choice

30 sec

1 pt

____________ is used to convert the analogue wave to digital sound

Analogue-to-Digital Convertor

Digital to Analogue Convertor

Analogue Wave Convertor

9.

Multiple Choice

30 sec

1 pt

How is an image being stored as binary code?

a drawing

RGB value for every pixel of the image

boxes of colors

10.

Multiple Select

30 sec

5 pts

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

red

white

yellow

blue

green

11.

Multiple Choice

30 sec

5 pts

Maximum numbers of colour tones a computer can generate.

256

16,777,216

(16.8 millions)

2

512

12.

Multiple Choice

30 sec

1 pt

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

Yes

No

13.

Multiple Choice

30 sec

1 pt

Emojis can be converted into binary and stored in computer.

Yes

No

14.

Multiple Choice

30 sec

1 pt

What is the purpose of ASCII and Unicode?

character encoding to process and store characters in binary

to convert analogue signal to digital signal

scanning of image into computer

15.

Multiple Choice

30 sec

1 pt

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

no

yes

16.

Multiple Choice

30 sec

1 pt

Which can represent more characters? ASCII or UNICODE.

ASCII

UNICODE

BOTH

17.

Multiple Choice

30 sec

1 pt

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

8

16

24

32

Explore this activity with a free account