Computer System

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Computer System by Mind Map: Computer System

1. Information Processing Cycle

2. Hardware

2.1. Storage

2.1.1. Computer hardware that records and/or retrieves items to and from storage media. Magnetic Storage Optical Storage Flash Memory

2.2. Memory

2.2.1. Consists of electronic components that store instructions waiting to be executed by the processor, data needed those instructions, and the results of the processing data Volatile (RAM) Non-volatile (ROM)

2.3. Motherboard

2.3.1. Main circuit board of the system unit, that contains integrated circuit Processor Slot Memory Slot Adapter Card Slot

2.4. Input and Output Device

2.4.1. Input device - any hardware component allows users to enter data and instructions into a computer Keyboard Pointing Device Reading Device

2.4.2. Output device - any hardware component allows users to enter data and instructions into a computer Display Device Printers Data Projector

2.5. Adapter Card

2.5.1. Enhances functions of a component of the system unit and/or provides connections to peripherals Firewire Card Network Card MIDI Card USB Card

2.6. Processor

2.6.1. Interprets and carries out the basic instructions that operate a computer Control Unit Arithmetic Logic Unit

3. Logic Gate & Simple Logic Circuit

3.1. Logical Operators

3.1.1. -AND (.) -OR (+) -NOT ( ̄ )

3.2. Logic Operation

3.2.1. • OR (Sum) • AND (Product) • NOT (Inverse)

3.3. Logic Gates

3.3.1. An electronic circuit operates on one or more input signals to produce an output signal.

4. Software

4.1. Software, is a set of instructions that tells the computer what tasks to perform and how to perform them

4.1.1. System Software Operating System Set of programs containing instructions that work together to coordinate all the activities among computer hardware resources Utility Program Type of system software that allows user to perform maintenance-type task

4.1.2. Application Software Programs designed to make users more productive and assist with personal tasks Web Browser Word Processing Spreadsheet Database