Number-Systems

What is the base (radix) of the decimal number system?

• 2

• 8

• 10

• 16

In binary, the digit 1 represents...

• Negative value

• Switch OFF/False

• Switch ON/True

• Decimal digit 10

How many bits are there in 1 byte?

• 4

• 8

• 16

• 32

Which of the following is a valid hexadecimal digit?

• G

• F

• Z

• Q

What is the binary representation of decimal 5?

• 1010

• 0101

• 1111

• 0010

Which of the following systems is most natural for computers?

• Decimal

• Binary

• Octal

• Hexadecimal

In two’s complement (8-bit), which value can be represented?

• –129

• –128

• 256

• 2000

How many unique values can be represented with 3 bits?

• 3

• 6

• 7

• 8

What is the hexadecimal equivalent of binary 1111₂?

• 15

• A

• F

• 1F

Which method is most commonly used in computers to represent signed integers?

• Sign & Magnitude

• One’s Complement

• Two’s Complement

• Floating Point