IT Terminology - Matric IEB Revised TEST Quiz Exam with Complete Solution 2023/2024

IT Terminology - Matric IEB Revised TEST Quiz Exam with Complete Solution 2023/2024 Access Modifier correct answers A keyword defining the visibility of a method or field in a class. Digitizer Tablet / Digitizer / Graphics Tablet correct answers A tool used to convert hand-drawn images into a format suitable for computer processing. Images are usually drawn onto a flat surface with a stylus and then appear on a computer monitor or screen. Accessor correct answers A typed method (function) that returns the value of a private field in an object. ADSL Asynchronous Digital Subscriber Line. correct answers Used by homes and businesses for dedicated digital high speed connection to the internet over conventional phone lines. Attenuation correct answers the reduction in signal strength while transmitting data. The further the signal gets from the source the weaker it will become Attribute correct answers Fields or property of a class defining the data associated with each object. BIOS correct answers the essential start up instructions of a computer, stored in ROM on the motherboard. BitTorrent correct answers a peer-to-peer (P2P) file sharing protocol designed to reduce the bandwidth required to transfer files. For example, if a user begins downloading a movie file, the BitTorrent system will locate multiple computers with the same file and begin downloading the file from several computers at once Botnets / Zombie Army correct answers A group of computers which have been infected by malware and are controlled from a server to run related software programs and scripts. Often utilised to forward spam. Centralised Prcoessing vs Distributed Processing correct answers Major processing tasks in a network are performed by one central powerful computer in comparison to many computers which have sufficient processing to complete complex tasks themselves Class correct answers the definition used to create instances of itself, called objects. Classes define the attributes and methods that each object created from that class will have. Client-Server correct answers 1: A computer terminal that retrieves information from or uses resources provided by a server. 2: A powerful computer which provides services to clients on a network Cloud Computing correct answers an interent service which can provide on-line applications, store data on-line and in a recent trend provide hardware for use on-line. CMOS correct answers Complementary Metal Oxide Semiconductor