Computer Fundamental Miscellaneous - Study Mode

[#681] An integrated circuit is
Correct Answer

(D) fabricated on a tiny silicon chip

Explanation

Solution: An integrated circuit (ICs) is an electronic device comprising numerous functional elements such as transistors, resistors, condensers, etc. on a piece of silicon semiconductor substrate, and is sealed inside a package with multiple terminals.

[#682] Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?
Correct Answer

(C) Core memory

Explanation

Solution: Magnetic-core memory (core memory) was the predominant form of RAM memory in b/n 1955 and 1975. Core uses tiny magnetic rings through which wires are threaded to write and read information. Core memory often refers to just the central RAM of a computer that stores programs that are currently running and that data that they are working on.

[#683] Which of the following bus types are used by the Apple Macintosh computer?
Correct Answer

(B) NuBus

Explanation

Solution: NuBus is a 32-bit parallel computer bus, originally developed at MIT and standardized in 1987 as a part of the NuMachine workstation project. The first complete implementation of the NuBus was done by Western Digital for their NuMachine, and for the Lisp Machines Inc.

[#684] When the time to establish link is large and the size of data is small, the preferred mode of data transfer is
Correct Answer

(B) Packet switching

Explanation

Solution: Packet switching data transfer refers to protocols in which messages are divided into packets before they are sent. Each packet is then transmitted individually and can even follow different routes to the destination. Once all the packets forming a message arrive at the destination, they are recompiled into the original message.

[#685] Group of instructions that directs a computer is called
Correct Answer

(D) Program

Explanation

Solution: A program is a set of instructions that can be executed by a computer to do a specific task. A collection of computer programs, libraries, and related data are referred to as software.