Terminology and Definitions in Computer Science and Information Technology, Quizzes of Computer Science

Download Terminology and Definitions in Computer Science and Information Technology and more Quizzes Computer Science in PDF only on Docsity! TERM 1 Html DEFINITION 1 HTML, which stands for HyperText Markup Language, is the predominant markup language for web pages. TERM 2 viewable size DEFINITION 2 diagonal measurement of the actual viewing area provided by the screen in a CRT monitor TERM 3 work DEFINITION 3 program that copies itself repeatedly, using up system resources and possibly shutting down the system TERM 4 dot pitch DEFINITION 4 distance in millimeters between pixels on a display device TERM 5 microfilm DEFINITION 5 a roll of film, usualy 100-215 feet long, on which microscopic images of documents are stored TERM 6 microfiche DEFINITION 6 a small sheet of film, usually 4 * 6 inches, on which microscopic images of documents are stored TERM 7 sector DEFINITION 7 the small arcs into which tracks on a disk are divided TERM 8 track DEFINITION 8 narrow recording band that forms a full circle on the surface of a disk TERM 9 read/write head DEFINITION 9 mechanism in a disk drive that reads items or writes items as it barely touches the disks recording surface TERM 10 TCP/IP DEFINITION 10 Network standard, specifically a protocol, that defines how messages are routed from one end of a network to the other TERM 21 spoofing DEFINITION 21 technique intruders use to make their network or internet transmission appear legit to a victim computer or network TERM 22 ciphertext DEFINITION 22 encrypted (scrambled) data TERM 23 resolution DEFINITION 23 number of horizontal and vertical pixels in a display device TERM 24 CRT DEFINITION 24 The cathode ray tube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen. TERM 25 QBE DEFINITION 25 Query by example, DBMS feature that has a gui to assist users with retrieving data TERM 26 database DEFINITION 26 collection of data organized in a manner that allows access retrieval and use of that data TERM 27 primary key DEFINITION 27 field in a database that uniquely identifies each record in a file TERM 28 trojan horse DEFINITION 28 hides within or looks like legit program TERM 29 refresh rate DEFINITION 29 number of times per second a monitor redraws an image on the screen TERM 30 spyware DEFINITION 30 program placed on a computer without users knowledge that collects their information TERM 31 cookie DEFINITION 31 small text file that a web server stores on a computer TERM 32 validity check DEFINITION 32 check that analyzes entered data to help ensure it is correct TERM 33 data integrity DEFINITION 33 quality of data that is entered in a database TERM 34 pixel DEFINITION 34 smallest element in an electronic image TERM 35 optical disc DEFINITION 35 type of storage medium that consists of a flat, round portable disc made of metal, plastic and lacquer that is written on and read by a laser