Computer Concepts Chapter 2

37 terms by Jasminecolhour 

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gigahertz

a billion cycles per second

microprocessor clock

in, an advertisement, a speed specification, such as 2.66 GHz, indicates the speed of the...

word size

the number of bits that a microprocessor can manipulate at one time

multi-core processor

a processor that includes circuitry for two or more processing units

pipelining

allows the processor to begin executing another instruction before it completes the pervious instruction

pipelining and parallel processing

is used to enhance processor performance

benchmarks

the results of a series of tests used to gauge overall microprocessor speed and are useful in comparing microprocessor performance

the processor, memory, a graphic card

overclocking is a technique for increasing the speed of a computer component, such as...

RAM

a temporary holding area for data, application program instructions, and the operating system

volatile

unlike disk storage, most RAM is...

virtual memory

if a program exceed its allocated space, the operating system uses an area of the hard disk called ____ to store parts of a program or data file until they are needed

SDRAM

is used by most of today's personal computers because it is fast and relatively inexpensive

ROM

a type of memory circuitry that holds the computer's startup routine

access the hard disk, find the operating system, load the operating system into RAM

ROM BIOS is a small set of instructions that tells the computer all of the following

EEPROM

a(n) ____ chip is a type of non-volatile memory chip that does not require power to hold data

access time

the average time it take a computer to locate and read data on the storage medium

random access

the ability of a drive to "jump" directly to the requested data

data transfer rate

the amount of data that a storage device can move from the storage medium to the computer per second

gigabytes and terabytes

storage capacity usually is measured in...

magnetic storage

hard disk storage technology can be classified as...

platter

a hard disk ___ is a flat, rigid disk made of aluminum or glass and coated with magnetic iron oxide particles

optical storage

CD, DVD, and Blu-ray technologies can be classified as...

BD-RE

an example of rerecordable optical storage medium

card reader

a built-in ___ in your personal computer can make it simpler to transfer photos from a solid state memory card in your digital camera.

fast access to data

solid state storage, also called flash memory storage, provides....

joystick, trackpad, mouse

examples of pointing devices

trackpad

a touch-sensitive surface on which you can slide your fingers to move the on-screen pointer

LCD

_____ display is standard equipment on notebook computers

pixels

dot pitch is the distance in mm between like-colored ____- the small dots of light that form an image

color depth

the number of colors a monitor can display

duty cycle

a printer's _____ determines how many pages a printer is able to churn out

duplex

a ____ printer can print on both sides of the paper

PCL

the most widely used language for communication between computers and printers

Amount of RAM

makes a computer fast enough for everyday use and what 2GB stands for

dot pitch

measure of image clarity

LCD

the best type of inexpensive, compact monitor

resolution

the sharpness of the images and text

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