Computer

1. Elements

1.1. Hardware

1.2. Software

1.2.1. Program

1.2.2. System

1.3. Peopleware

2. Components

2.1. Central Processing Unit

2.1.1. Control Unit

2.1.2. Arithmetic and Logic Unit

2.1.3. Registers

2.2. Input

2.2.1. Keyboard

2.2.2. Mouse

2.2.3. Microphone

2.2.4. Barcode Reader

2.3. Output

2.3.1. Monitor

2.3.2. Speaker

2.3.3. Printer

2.3.4. Projector

2.4. System Bus

2.4.1. Address Bus

2.4.2. Data Bus

2.4.3. Control Bus

2.5. Memory

2.5.1. Primary

2.5.1.1. Random Access Memory

2.5.2. Secondary

2.5.2.1. Flash Drives

2.5.2.2. CDs

2.5.2.3. Hard Drive

3. Read-Only Memory

4. Types

4.1. Analog

4.2. Digital

4.2.1. Supercomputers

4.2.2. Mainframe

4.2.3. Minicomputer

4.2.4. Microcomputer

4.3. Hybrid

5. Features

5.1. Speed

5.2. Accuracy

5.3. Consistency

5.4. Versatile

5.5. Storage

5.6. Reliability

6. Tasks

6.1. Input

6.2. Process

6.3. Storage

6.4. Output