Account

For each user, a network administrator establishes this, which enables a user to access, or log on to, a computer or to a network.

Fragmented

When the contents of a file are scattered across two or more noncontiguous sectors.

Password

A private combination of characters associated with the user name that allows access to a certain computer resources.

Lossless

Compression type in which a compressed file can be returned to its exact original state.

Anti-Spam

A filtering program that attempts to remove spam before it reaches a users inbox.

Antivirus

To protect a computer from virus attacks, install this kind of program and update it frequently.

Virtualization

The practice of sharing or pooling computing resources, such as servers.

Gadget

A mini-program with minimal functionality that connects to another program or provides information.

Permissions

Define who can access certain resources and when they can access those resources.

Pop-Up

An internet advertisement that appears ina new window in the foreground of a web page displayed in a users browser.

Application Software

When purchasing this, users must ensure that it works with the operating system installed on their computer.

Administrator Account

Enables you to access all files and programs on the computer or network, install programs, and specify settings that affect all users on a computer or network.

Thrashing

If application software has stopped responding and the hard disks LED blinks repeatedly, the operating system is probably doing this.

Lossy

Type of compression in which the quality of a file decreases slightly each time the file is compressed, which makes it impossible to restore that file to its exact original state.

User name

A unique combination of characters that identifies a specific user.

Taskbar

To make a program active in windows, click its program button here.

Sleep Mode

Saves any open documents and programs to RAM, turns off all unnedded functions, and then places the computer in a low-power state.

Hibernate

Saves any open documents and programs to a hard disk before removing power from the computer.

faster

Items sometimes are placed in buffers because the processor operates at a much _______ rate of speed than peripheral devices.

Hard Drive

In most cases the operating system is installed and resides on a computers ___________.

More

users with broadband internet connection are _________ susceptible to attacks from a hacker.

Often

Windows _______ acesses the registry during the computers operation.

Cold

When turning on a computer that has been powered off completely, users are performing a _________ boot.

Slows Down

Fragmentation _________ disk access and thus the performance of the entire computer.

C

In most cases, drive ___ is the boot drive.

Compress

Many backup programs _______, or shrink the size of, files during the backup process.

Defragmentor

A disk ___________ is a utility that reorganzes the files and unused space on a computers hard disk so the operating system accesses data more quickly and programs run faster. 

Bugs

Errors in programs are known as _______.

UNIX

Bell Labs developed __________ in the early 1970's and liscensed it for a low fee to numerous colleges and universities, where the operating system obtained a wide following.

Ghosting

Screen savers originaly were developed to prevent aproblem called ________, in which images could be permanately etched on a moniters screen.

File manager

Some of the file management functions that a ________ performs are displying a list of files on a storage medium; organzing files in folders; copying, renaming, deleting, moving, and sorting files and folders; and creating shortcuts.

Viewer

An image ________ allows users to display, print, and copy the contents of a graphic file.

Windows Firewall

Windows automatically enables its built in personal firewall, called __________.

UNIX

Like Linux, __________ is a multipurpose operating system because it is both a stand alone and network operating system.

Linux

The two most popular GUI's available for _________ are GNOME and KDE.

Utility

A ________ is a type of system sofware that allows a user to perform maintenance-type tasks, usually related to managing a computer, its devices, or its programs.

Embedded 

The three basic categories of operating sytems that exist today are stand-alone, server, and __________. 

Android

_________ is an open source multitasking operating system designed for smart phones.

Encryption

________ is the process of encoding data and information into an unreadable form.

driver

If a new device, such as a printer or scanner, is attached to a computer, its _______ must be installed before the device can be used.

Firewall

A ________ is a utility that detects and protects a personal computer from unautherized intrusions.

Photo Viewer

Windows 7 includes an image viewer called Windows ____________.

Widget or Gadget 

A ____________ is a mini-program with minimal functionality that connects to another program or provides information. 

Super Fetch

A new feature of Windows 7 is the _____________ technology that helps programs start faster.

Utility

_____________ programs included with most operating systems help with managing files, viewing images, uninstalling programs, diagnosing problems, and removing viruses, for example.

Defragmenting

____________ a disk, or reorganizing it so the files are stored in contiguous sectors, speed up disk access and thus the performance of the entire computer.

Shortcut

A _______ is an icon on the desktop that provides a user with immediate acces to a program or file.

Administrator

The person overseeing network operations, called the network _____________, uses the severs OS to add and remove users, computers, and other devices to and from a network.

OSX

Mac ________ includes features from previous apple computer operating systems, such as large photo-quality icons, built in networking support, and enhanced speech recognition.

Client

Some stand-alone operating systems are called _________ operating systems because they also work in conjunction with a server operating system.

Monitor

A performance __________ is a program that assesses and reports information about various computer resources and devices.