Info Tech 1

Computer

An electronic device that accepts, processes, and stores data for later use.

Advantages of Computer Use:

1. Increased speed with tasks

2. Enhanced storage capacities

3. Enhanced consistency and accuracy

4. Reliable

Disadvantages of Computer Use:

1. Security can be compromised

2. Initial cost is high

Input

The data the computer receives for processing.

Processing

The execution of one or more computer programs on the data.

Output

The data the computer sends in human-readable form.

Storage

The device that holds the data until it is rewritten or deleted.

Embedded Device

The smallest computing device built into larger electrical systems.

Mobile Device

A handheld computing device with a compact and portable design.

Personal Computer

A computing device larger than a mobile device but smaller than a desktop system.

Desktop Computer

Larger and more powerful than most laptops and are in a stationary form.

Mainframes

Used for complex, high-performance tasks with a large storage capacity and a large CPU.

Supercomputer

An extremely powerful, high-performance computing machine used for demanding tasks.

Peripheral Devices

Devices located outside the CPU and controlled by it.

Main Memory

The component of the computer that holds programs, data, and instructions currently in use.