Introduction to Computer

This the basic unit of memory.

• bit

• nibble

• bite

• byte

Bytes multiplied by a thousand (1,000).

• Gigabytes

• Kilobytes

• Megabytes

• Terabytes

Bytes multiplied by a million (1,000,000).

• Gigabytes

• Kilobytes

• Megabytes

• Terabytes

Bytes multiplied by a billion (1,000,000,000).

• Gigabytes

• Kilobytes

• Megabytes

• Terabytes

Bytes multiplied by a trillion (1,000,000,000,000).

• Gigabytes

• Kilobytes

• Megabytes

• Terabytes

The computer’s “brain”

• Chip

• CPU

• RAM

• ROM

A type of memory that is volatile (that is, the contents disappear when there is not power) and is read-and-write.

• Chip

• CPU

• RAM

• ROM

A type of memory that is permanent (that is, the contents do not disappear) and is read-only.

• Chip

• CPU

• RAM

• ROM

Made of silicone semiconductors and are packaged in plastic or metal cases with steel “legs” or connectors.

• Chip

• CPU

• RAM

• ROM

Turns data into useful and meaningful information.

• Input

• Output

• Process

• Storage