Term
|
Definition
| The amount of time it takes the processor to read data, instructions,and information from memory and the time required to deliver an item from memory to the processor. 267 |
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Term
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Definition
| Reorganizing the contents of a hard disk so that the files are stored in contiguous sectors. 186 |
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Term
|
Definition
| The number of bytes (characters)a storage medium can hold. 336 |
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Term
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Definition
| The small arcs into which tracks on a disk are divided. 342 |
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Term
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Definition
| Narrow recording band that forms a full circle on the surface of the disk. 342 |
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Term
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Definition
| The process of dividing the disk into tracks and sectors (Figure 8-6)so that the operating system can store and locate data and information on the disk. 342 |
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Term
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Definition
| Redundant array of independent disks; a group of two or more integrated hard disks. 343 |
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Term
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Definition
A storage device that typically
uses flash memory to store data,
instructions, and information, and that
contains no moving parts. 16 |
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Term
|
Definition
| An Internet service that provides storage to computer users. 17, |
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Term
|
Definition
Type of storage medium that
consists of a flat, round, portable disc
made of metal, plastic, and lacquer that
is written and read by a laser. 17 |
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Term
|
Definition
Term used to refer to the
operating system and other tools that
consist of the programs that control or
maintain the operations of the computer
and its devices. 152 |
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Term
|
Definition
A set of programs that
coordinates all the activities among
computer or mobile device hardware.
25 |
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Term
|
Definition
The process of starting or restarting
a computer or mobile device. 381 |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Definition
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Term
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Definition
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Term
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Definition
Operating
system used by an embedded computer.
402. |
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Term
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Definition
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Term
|
Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
|
Definition
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Term
|
Definition
The layout of the computers
and devices in a communications
network. 423 |
|
|
Term
|
Definition
|
|
Term
|
Definition
A communications device
that converts digital signals to analog
signals and analog signals to digital signals,
so that data can travel along an analog
phone line. 435 |
|
|
Term
|
Definition
The amount of data,
instructions,
and information that can
travel over transmission media. 58, |
|
|
Term
|
Definition
The time it takes a signal to travel
from one location to another on a network.
442 |
|
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Term
|
Definition
Someone who accesses a computer
or network illegally. 179 |
|
|
Term
|
Definition
Someone who accesses a computer
or network illegally with the intent of
destroying data, stealing information, or
other malicious action. 204 |
|
|
Term
|
Definition
Malware that easily can hide and
allow someone to take full control of a
computer from a remote location, often
for nefarious purposes. 180 |
|
|
Term
|
Definition
A group of compromised
computers
or mobile devices connected
to a network such as the Internet that are used to attack other networks, usually
for nefarious purposes. 206 |
|
|
Term
|
Definition
An
assault whose purpose is to disrupt
computer
access to an Internet service
such as the web or email. 206 |
|
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Term
|
Definition
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Term
|
Definition
Hardware and/or software that
protects a network’s resources from
intrusion by users on another network
such as the Internet. 23 |
|
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Term
|
Definition
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Term
|
Definition
The moral guidelines
that govern the use of computers, mobile
devices, and information systems. 224 |
|
|
Term
|
Definition
A small text file that a web server
stores on your computer. 182 |
|
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Term
|
Definition
|
|
Term
|
Definition
An unsolicited email message or
posting sent to many recipients or
forums at once. 183 |
|
|
Term
|
Definition
A set of hardware,
software, data, people, and procedures
that work together to produce information.
491 |
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Definition
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Definition
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