Operating Systems Overview

Operating systems and utility programs

An operating system coordinates all the activities among the computer's hardware and software resources.

Booting

<p>Warm boot (C), Cold boot (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Graphical user interface</p> Signup and view all the answers

<p>Command-line interface</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>A driver tells the operating system how to communicate with a specific device.</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>Stand-alone, server, and embedded</p> Signup and view all the answers

<p>Windows, Mac OS, and Linux</p> Signup and view all the answers

<p>A utility program is a type of system software that allows a user to perform maintenance tasks on a computer.</p> Signup and view all the answers

<p>A file manager performs functions related to file management.</p> Signup and view all the answers

<p>A search utility is a program that helps users find files based on specific criteria.</p> Signup and view all the answers

<p>An image viewer allows users to view, copy, and print the contents of a graphics file.</p> Signup and view all the answers

<p>An uninstaller removes a program and any associated entries in the system files</p> Signup and view all the answers

<p>A disk cleanup utility searches for and removes unnecessary files.</p> Signup and view all the answers

<p>A disk defragmenter reorganizes files and unused spaces on a computer's hard disk.</p> Signup and view all the answers

<p>A backup utility copies files to another storage medium.</p> Signup and view all the answers

<p>A restore utility reverses the backup process and returns files to their original form.</p> Signup and view all the answers

<p>A screen saver uses the computer's screen to show a moving image or blank screen if there is no activity.</p> Signup and view all the answers

<p>A personal firewall detects and protects a computer from unauthorized access.</p> Signup and view all the answers

<p>A computer virus is a small software program that spreads from one computer to another and interferes with computer operation.</p> Signup and view all the answers

<p>A worm copies itself repeatedly in memory or over a network.</p> Signup and view all the answers

<p>A Trojan horse hides within or looks like a legitimate program, often used to steal data or gain unauthorized access to a computer.</p> Signup and view all the answers

<p>An antivirus program protects a computer against viruses and other malware.</p> Signup and view all the answers

<p>A spyware remover detects and deletes spyware and other similar programs.</p> Signup and view all the answers

<p>Filters are programs that remove or block certain items from being displayed.</p> Signup and view all the answers

<p>A file compression utility shrinks the size of files.</p> Signup and view all the answers

<p>Compressed files are sometimes called zipped files, because they can be uncompressed.</p> Signup and view all the answers

<p>A media player allows the user to view images and animation, listen to audio, and watch video files.</p> Signup and view all the answers

<p>Disc burning software writes text, graphics, audio, and video files onto recordable or rewritable optical discs.</p> Signup and view all the answers

<p>A personal computer maintenance utility identifies and fixes operating system problems, detects and repairs disk problems, and improves computer performance.</p> Signup and view all the answers