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21 terms

Computer Vocab

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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