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Computer Concepts Chapter 2

STUDY
PLAY
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