Basic Logic Gates and Binary Systems

What is the smallest unit of data in a computer?

• Byte

• Bit

• Pixel

• Circuit

In binary, the number 0111 represents what decimal value?

• 5

• 3

• 7

• 4

Which logic gate outputs a 1 only when both inputs are 1?

• OR

• NAND

• XOR

• AND

What is the primary function of the NOT gate?

• Passes the input directly

• Multiplies inputs

• Inverts the input

• Outputs a 0 regardless of input

How many distinct values can a sequence of 8 bits represent?

• 8

• 16

• 32

• 64

Convert the binary number 1011 into decimal.

• 11

• 12

• 13

• 14

Design a truth table for an AND gate with two inputs. What will be the output when both inputs are 0?

• 0

• 1

• Undefined

• Error

Which sequence of gates will produce the same output as an XOR gate?

• NOT → OR

• AND → NOT

• OR → AND → NOT

• NAND → NOT

How is our number system different from the binary system?

• Our number system is base 5; the binary system is base 3

• Our number system is base 10; the binary system is base 1

• Our number system is base 10; the binary system is base 2

• Our number system is base 100; the binary system is base 2

A binary number has the digits 11010. What does this sequence represent in decimal?

• 22

• 20

• 26

• 18