Computer Number Systems Quiz

What is the number system that a computer uses called?

• Denary

• Octal

• Binary

• Hexadecimal

What are the states of the transistors in a computer's processor?

• High and low

• On and off

• Open and closed

• Start and stop

What is the base of the denary system?

• Base-2

• Base-8

• Base-10

• Base-16

What is the range of digits in the denary system?

• 0-1

• 0-7

• 0-9

• 0-15

What is the abbreviation for a kilobyte?

• KB

• MB

• GB

• TB

What is the smallest unit of data measurement listed?

• Byte

• Nibble

• Bit

• Kilobyte

How many bytes are in a kilobyte?

• 512 bytes

• 1024 bytes

• 2048 bytes

• 4096 bytes

How many bits are used in the standard ASCII character set?

• 7 bits

• 8 bits

• 16 bits

• 32 bits

Which characters are represented by ASCII codes 32 to 127?

• Upper and lower case letters, numbers, punctuation marks, and symbols

• Only numbers

• Only letters

• Only punctuation marks

What is the main advantage of Unicode over older encoding systems?

• It simplifies character and string manipulation

• It is more complex

• It uses less memory

• It is faster to process