Computer Vocab

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21 terms

Computer

An electronic device that can accept data (Input), use data (Process), produce data results (Output), and store data for future use (Storage)

Binary Code

Base numbering system expressed by the sequence of 0's and 1's

Bit

A single unit of information having just 2 pissible values as either of the binary digits 0 or 1

Byte

A series of consecutive binary digits that are operated upon as a unit; there are 9 bits in a byte

Kilobyte (KB)

Roughly a thousand (1000) bytes

Megabyte (MB)

Roughly 1000 KB or a million bytes

Gigabyte (GB)

Roughly 100 MB or a billion bytes

Hardware

the physical components of a computer (can touch it)

Software

The instructions that are stored in memory used to process the data (cant touch it)

RAM

(Random Access Memory) Temporarily stores instructions, data, and the results from using the data,

Mass Storage

Used to save instructions and data in memory while they are not being used by the processor.
ex: Hard drive, CD-ROM, DVD-ROM, USB, Flash Drives, Thumb Drives

Operating System Software

Instructions telling the computer how to turn on and run and work.

Application Software

Computer programs that allow you to do specific tasks.

Network

Group of computers and devices that can "see" or talk with each other; the hardware

Internet

Thousands of networks that are networked. World Wide Web (www)

Modem

A device that converts the signals used in a computer to signals that can be transmitted over cable or phone lines; short for Modulator/Demodulator

Router

A device that manages/ forwards (routes) data across networks

Server

A computer that handles requests far data, email, files, and other network services from other computers (clients)

Hard Copy

Output from a printer

Soft Copy

What you see on the screen

Terabyte (TB)

Roughly 1000 Gb or a trillion bytes

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