IT &computer MCQ section 1 MCQ Questions & Answers Detailed Explanation

Answer: (d)

The most famous Disk Operating System (DOS) commands are: dir (lists the contents of a folder), format (formats the given drive), type (displays the contents of a file), etc.

Answer: (d)

The parity bit is a term used to identify whether a data word has an odd or even number of 1’s. If a data word contains an odd number of 1’s, the word is said to have odd parity.

The binary word 0110111 with five 1’s has odd parity. The binary word 0110000 has an even number of 1’s (two), so it has even parity.

Answer: (b)

An interpreter translates one instruction at a time, and then executes that instruction immediately. It directly executes, i.e. performs, instructions written in a programming or scripting language, without previously compiling them into a machine language program.

Answer: (a)

Multimedia is media and content that uses a combination of different content forms. This contrasts with media that use only rudimentary computer displays such as text-only or traditional forms of printed or hand-produced material.

Multimedia includes a combination of text, audio, still images, animation, video, or interactivity content forms.

Answer: (a)

EKA (the Sanskrit name for number one) was ranked fourth fastest supercomputer in the world in November 2007. It was built by the supercomputer facility at Computational Research Laboratories (CRL), a wholly-owned subsidiary of Tata Sons, in Pune.

A Hewlett-Packard Cluster Platform 3000 BL460c system, EKA uses nearly 1,800 computing nodes and has a peak performance of 170 teraflops.

Answer: (a)

The basic method for implementing paging involves breaking physical memory into fixed-sized blocks called frames and breaking logical memory into blocks of the same size called pages.

When a process is to be executed, its pages are loaded into any available memory frames from the backing store. The backing store is divided into fixed-sized blocks that are of the same size as the memory frames.