3 Data Representation Methods in the Computer system - Grade10

What is the base of the binary number system?

• 2

• 8

• 10

• 16

Which coding system uses 8 bits to represent a character?

• ASCII

• Unicode

• EBCDIC

• BCD

How many digits are there in the hexadecimal number system?

• 10

• 12

• 15

• 16

What is the binary equivalent of 12₁₀?

• 1101₂

• 1100₂

• 1110₂

• 1001₂

Which of the following colors has the RGB code (255, 0, 0)?

• Blue

• Green

• Red

• Yellow

In the octal system, the largest digit is:

• 7

• 8

• 9

• 6

How many bytes are in 1 kilobyte?

• 512

• 1000

• 1024

• 2048

What is the main purpose of the ASCII coding system?

• Represent colors

• Represent numeric data only

• Represent text characters

• Store large files

Which storage unit is the smallest?

• Byte

• Nibble

• Bit

• Kilobyte

The hexadecimal representation of 255 is:

• 1000000₂

• 177₈

• FF₁₆

• 99₁₆