computer Flashcards

computer hardware

1
Q

Power Supply

A

Internal computer component that converts line voltage power from an electrical outlet to the low-voltage direct current power needed by a system components

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2
Q

AGP Port

A

Ports developed specifically for video cards

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3
Q

BIOS

A

Basic input/Output System

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4
Q

Bus

A

A communications system that transfers data between components inside a computer

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5
Q

Capacitor

A

A cap on a computer motherboard that helps steady the flow of electricity throughout the board

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6
Q

CD-ROM

A

A pre-pressed optical compact disc which contains data

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7
Q

Chipset

A

A group of chips on the motherboard that controls the timing and the flow of data and instructions to and from the CPU

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8
Q

CMOS

A

Complementary metal- oxide semiconductor is a chip which stores data for BIOS about hardware changes

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9
Q

CMOS Battery

A

A lithium coin-cell battery enables CMOS RAM to hold configuration data, even while the main power to the computer is off

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10
Q

CPU

A

The part of a computer that does most of the data processing

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11
Q

CRT Display Monitor

A

A computer part that connects the the computer to display pictures

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12
Q

DVD-ROM

A

A DVD disc that contains data that has been permanently stamped on the disk surface

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13
Q

EIDE Controller

A

Enhanced Integrated Drive Electronics

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14
Q

Expansion Bus

A

Allows the processor to communicate with peripherals

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15
Q

Flat screen monitor

A

A flat screen Monitor is similar in almost every respect to traditional Cathode Ray Tube Monitors. The inly distinguishing feature is that the face of the picture tube is almost perfectly flat, not curved like older CRT’s

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16
Q

Floppy disk Drive

A

A drive used for reading from and writing to removable floppy disks. Also called FDD

17
Q

Hard Drive Disk

A

Primary storage device located inside computer, where most files and programs are typically stored

18
Q

Impact Printer

A

A device that prints one or more characters at a time by physically impacting or hitting the ribbon to the paper

19
Q

InkJet Printer

A

Sprays ink through small hours to form words and images on paper

20
Q

IRQ

A

I message sent to the computer that instructs it to stop what it is doing and pay attention to something else. IRQ is often used to refer to the interrupt request number

21
Q

Keyboard

A

A computer input device that uses a set of keys to put data into the computer

22
Q

Laser Printer

A

Electrostatic printer that focuses a laser beam to form images that are transferred to paper electrostatics

23
Q

Modem

A

A device that allows one computer to talk to another

24
Q

NIC

A

Network Interface Controller

25
Parallel Port
A socket at the back of a computer for connecting external equipment or peripherals, especially printers
26
PCI Port
Peripheral Component Interconnect
27
POST
Power on Self Test
28
Printer
A machine that prints characters or other images on paper
29
Processor Port
Serves as an interface between the computer and other computers or peripheral devices
30
PS/2 Port
Connects a keyboard or a mount to a computer
31
RAM
Random Access Memory
32
ROM
Read-Only Memory
33
Serial Port
A 9 or 25 pin port on a computer used by slower devices such as a mouse or modem, data travels serially one bit at a time through the port