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computer parts
Question | Answer |
---|---|
computer | a machine that can be programmed invented in the 1940's |
personal computer | a pc incluseds a keyboard, mouse,and monitor |
hardware | the computer and all attached equipment are called hardware |
software | software is a set of instructions for the computer that has the ability to change or create data |
monitor | a display screen |
mouse | an input device. it moves the cursor on the monitor |
keyboard | the keybaord is a set of keys or buttons that are used to input information and instructions to a computer |
hard drive | The hard drive is the primary storage unit of the computer. It is where the operation system, applications, files and data are stored on a magnetic cylinder. |
CDROM | (Compact Disc Read Only Memory)A CD-ROM is a compact disc used to store data. A CD-ROM can hold up to 650 megabytes of data. |
CDROM drive | The small box with motor and other parts that let the computer read what is on a CD-ROM. It uses a laser to read the CD. It looks for pits and flats. |
data | Data is numbers,letters, pictures, drawings, sounds, orders, payments, stories and other pieces of information. The computer uses software to change data. |
program | Another word for program. It is a list of instructions. It gives the user the ability to create, modify, and save files. |
Operating System | tells the program what to do |
BIOS | wakes up the computer |
Motherboard | holds all the circuitboards |
CPU | Central Processing Unit serving as the brain of the computer |
ROM | Read Only Memery |
RAM | Random Access Memory |
power supply | gets electricty into the computer |
Modem | connect computers to each other |
Port | hardware plugs into it; like keyboard, mouse |
Video Card | allows graphic to be displayed on the monitor |
Power Plug | used to provide power in to the computer and provide power out to the monitor |
Parallel Port(Printer Connector) | a parallel port is an electical connecter that is used to send information on wires at the same time to a printer |
Serial Port | used to connect older or specialized devices sends parts of a message Example: include bar code scanner |
Network Interface Card(NIC) | an ethernet cable connection |
Universal Serial Bus(USB) | universal serial bus is an external bus that transfers Mbps |