Basic Computer Concepts

Front

Input

Back

Devices that send data to a computer (e.g., keyboard, mouse).

Front

Output

Back

Devices that receive data from a computer (e.g., monitor, printer).

Front

Program

Back

A set of instructions that tells the computer what to do.

Front

Storage

Back

Hardware used to save data (e.g., hard drives, USBs).

Front

Transistor

Back

A tiny electronic switch that controls electricity flow; fundamental to modern electronics.

Front

Hardware

Back

The physical components of a computer (e.g., CPU, RAM, motherboard).

Front

CPU (Central Processing Unit)

Back

The brain of the computer that processes data.

Front

CU (Control Unit)

Back

A part of the CPU that directs operations, ensuring instructions are executed in the right order.

Front

Arithmetic Logic Unit (ALU)

Back

A part of the CPU that performs calculations and logic operations.

Front

RAM (Random Access Memory)

Back

Temporary memory for active tasks; wiped when the computer shuts down.