Q1 Computers: Bits, bytes and binary (en)

The binary digits 0 and 1 are each called a bit.

• True
• False

A group of 8 bits is known as a gigabyte.

• True
• False

The smallest unit for storing data, either a 0 or a 1, is called a byte.

• True
• False

The binary digits 0 and 1 are each called a bit.

• True
• False

The only two digits used in the binary number system are _______.

• 1 and 2

• 0 and 1

• 0 and 2

• 2 and 3

Which of the following is the best definition of a bit?

• An electrical signal in a wire

• A physical signal that becomes a digital signal

• A measure of computer graphics and sound

• A single 1 or 0 in a digital signal

How many bits are in a single byte?

• 4

• 8

• 12

• 16

One ____________ is approximately 1,000 bytes.

• terabyte

• gigabyte

• megabyte

• kilobyte

One ____________ is about 1 million bytes.

• terabyte

• gigabyte

• megabyte

• kilobyte

One ____________ is about 1 billion bytes.

• terabyte

• gigabyte

• megabyte

• kilobyte