Practice

What is the smallest unit of data in a computer?

• Byte

• Bit

• Kilobyte

• Megabyte

How many bits are in a byte?

• 4

• 8

• 16

• 32

How many unique patterns can be created with 3 bits?

• 4

• 8

• 16

• 32

Which number system do computers primarily use?

• Decimal

• Binary

• Hexadecimal

• Octal

What is the value of the binary number 1011 in decimal?

• 11

• 13

• 15

• 9

In the hexadecimal system, what does the letter 'A' represent?

• 9

• 10

• 11

• 12

Which of the following is true about a kilobyte?

• It contains 1000 bytes

• It contains 1024 bytes

• It contains 500 bytes

• It contains 2048 bytes

Which system uses base 16?

• Decimal

• Binary

• Hexadecimal

• Octal

What is the denary equivalent of the binary number 1101?

• 13

• 12

• 14

• 15

Which of the following is a characteristic of the ASCII system?

• It uses 16 bits per character

• It supports only 127 characters

• It supports a variable-length encoding

• It is used for representing floating-point numbers