Soal - soal Pengantar Teknologi Informasi

1.         What does online mean?

Using computer connected though a network, to access information and servis from another        computer online communication is widely used by business, services, individuals, and    education institutions, Describes the state of a computer when it is turned on and     connected to the Internet via an ISP,

2.      What is the difference between system software and application software ?

system software : software that helps the computer perform essential opertaing tasks      application software cannot run without system software. System software consists of            several program.

Application system : software that’s has been developed to solve aparticular problem.    Problem usiful work on general purpose tasks.

3.         Briefly define cyberspace

Term used to refer to the online world and the internet in particular but also the whole wired and wireless world of communica the virtual shared universe of the world's computer            networks, it has come to describe the global information space. As an example, telephone        conversations, 'chatroom' discussions, computer communications and ATM transactions     all take place in cyberspace.tions in general.

4.         What is the difference between software and hardware?

Software : also called program: step by step electronically encaded instructions that tell thecomputer hardware how to perform a task

Hardware : all machinery and equipment in a computer system. Hardware runs under the control of software and is usiless without it

5.         What is a Local Area Network?

A local-area network is a computer network covering a small geographic area, like a home,  office, or group of buildings e.g. a school. The defining characteristics of LANs, in contrast  to wide-area networks (WANs), include their much higher data-transfer rates, smaller geographic range, and lack of a need for leased telecommunication lines. Network that connects, usually by specialcable a group of desktop PCs and other devices, such as prnter in a office.

6.         what is multimedia?

Technology that presents information in more than one medium – including text graphics, animation, video, and sound in a single intergrated communication

7.         what is the difference between microcomputer and super computers?

Micro computer    : small computer that fits on or next to a desktop or can be carried a round. The word microcomputer described earlier computer with a microprocessor as the central unit. In einer engeren Definition verstand man darunter Computer einer bestimmten Leistungsklasse. In a narrower definition including computer understood a certain service class. Mikrocomputer waren kleiner, aber weniger leistungsfähig als Großcomputer und Minirechner . Microcomputers were smaller, but less efficient than large computer and mini computer. They were as millions of home and office computers. Die Ausstattung war auf diese Anwendungen zugeschnitten. Stabilität und Wartungsfreundlichkeit spielten eine geringere Rolle als im gewerblichen Bereich. The equipment was tailored to these applications. Stability and ease of maintenance played a lesser role than in the commercial sector

Super computer    : high capacity computer with thousand of processors that is the fastest calculating device ever invited

8.         what is the function of RAM?

Represents Primary Storage. The functions is holds data before processing and information           after processing before it is sent along to on output or storage device