IT &computer MCQ section 2 MCQ Questions & Answers Detailed Explanation

Answer: (d)

LOGO is a computer programming language used for functional programming. It is used for generating basic shapes using a turtle cursor.

The turtle cursor is an on-screen cursor, which can be given movement and drawing instructions, and is used to programmatically produce line graphics.

Answer: (c)

A worm is a process that uses the spawn mechanism to clobber system performance.

The worm spawns copies of itself, using up system resources and perhaps locking out the system used by all other processes. On computer networks, worms are particularly potent, since they may reproduce themselves among systems and thus shut down the entire network.

Such an event occurred in 1988 to UNIX systems on the internet.

Answer: (b)

Electronic mail, most commonly referred to as email, is a method of exchanging digital messages from an author to one or more recipients.

Normally, there could be three types of recipients:

1. the target recipient;
2. a carbon copy (Cc) recipients; and
3. blind carbon copy (Bcc) recipients.

Answer: (c)

Desktop publishing (abbreviated DTP) is the creation of documents using page layout skills on a personal computer. This technology allows individuals, businesses, and other organizations to self-publish a wide range of printed matter.

Answer: (c)

The act of writing new data into register is possible only when the register is an accumulator or instruction register.

Answer: (c)

Dynamic Random Access Memory (DRAM), the most common kind of Random Access Memory (RAM) for Personal computers and workstations, has to be refreshed many times per second in order to hold its data contents.

DRAM is dynamic in that, unlike static RAM (SRAM), it needs to have its storage cells refreshed or given a new electronic charge every few milliseconds. DRAM stores each bit in a storage cell consisting of a capacitor and a transistor.

Capacitors tend to lose their charge rather quickly thus, the need for recharging.