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30 Cards in this Set
- Front
- Back
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Save/Save as
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the Save As option allows you to select a name and storage device for a file, whereas Save option simply saves the latest version of a file under its current name and location.
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Driver
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a specialized hardware-dependent computer program, which is also operating system specific that enables another program to interact transparently with the given device.
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Utility Program
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a type of program provided by the operating system or third-party vendors that specializes in tasks such as system maintenance, security, or file management.
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User interface
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the software and hardware that enable people to interact with computers.
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File name extension
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a set of letters and/or numbers added to the end of a filename that helps to identify the file contents or file type.
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Hackers & spoofing
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faking (a return address) to hide the identity of the real person
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FAT
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a file system used by Microsoft Windows 98, 98 and Me operating systems to keep track of the name and location of files on a hard disk.
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Freeware
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copyrighted software that is given away by the author or owner.
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Interpreters and compilers
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programs that convert high-level instructions in a computer program into machine language instructions, one instruction at a time.
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DBMS & its functions
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application software that assists the user in manipulating, storing, and maintaining database files.
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De-fragmentation utility
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a software tool used to rearrange the files on a disk so that they are stored in contiguous clusters.
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Macro virus
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a computer virus that infects the macros that are attached to documents and spreadsheets.
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Workstations & clients
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connected to a local area network
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Internet and WAN and protocols
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an interconnected group of computers and peripherals that covers a large geographical area, such as multiple branches of a corporation.
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Intranet
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a LAN that uses TCP/IP communications protocols, typically for communications services within a business or organization.
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System software & application software
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computer programs that help you perform a specific task (i.e. Word Processing).
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Router
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a network device that examines the IP address of incoming data, and forwards the data towards its destination.
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Repeater
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a network device that receives and retransmits amplified signals so that they can retain the necessary strength to reach their destination.
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Boot sector virus
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a computer virus that infects the sectors on a disk that contain the data a computer uses during the boot process. The virus spreads every time the infected disk is in the computer when it boots.
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Trojan horse
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a computer program that appears to perform one function while actually doing something else (i.e. Inserting a virus into a computer system or stealing a password).
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Stealth viruses
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Hide volume and date when they attach to files.
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Polymorphic viruses
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Change signature each time they attach to a new file.
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Fiber-optic cable / coaxial cable
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a bundle of thin tubes of glass used to transmit data as pulses of light. A type of cable constructed of a center wire surrounded by a grounded shield of braided wire, used to connect nodes on a network.
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Recycle bin
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Can be opened to retrieve most recently deleted files
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Handshaking
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a process where a protocol helps two network devices communicate.
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WiFi wireless network
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an Ethernet-compatible wireless network that uses 802.11 a, b, g, and n standards.
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CATV bandwidth is divided into 3 parts
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TV channels, downstream and upstream.
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Mal-ware is malicious program authored by a skilled programmer, 4 types:
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a. Viruses
b. Worms c. Trojan horses. d. bots |
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Time bomb
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virus activated at specific date
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Logic bomb
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Virus activated when a condition is met
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