This is a method of collecting secondary data as they contain data from someone else's research work.

Restricted response questions are a type of essay type questions.

Ice has a degree of coldness, in the same way, the earth has gravity.

A good question should be unambiguous and should not be needlessly lengthy.

The name of the India's first Newspaper was The Bengal Gazette.  It was published on January 29, 1780.

He was the last British Governor General of independent India. An act for Indian independence was passed under him by the British Parliament.

Net Etiquette are the rules that have developed as people have begun to communicate and interact on the Internet.

Noise is not an integral part of the process of communication but it may influence the process at any or all the points. Noise is any interference with the normal flow of understanding from the sender to the receiver.

A combination of 4 bits is referred to as a nibble.

With virtual memory, what the computer can do is look at RAM for areas that have not been used recently and copy them onto the hard disk. This frees up space in RAM to load the new application.

Disk storage may take hundreds of thousands of cycles latency to be fetched but it is very large.

Domain names are used to identify one or more IP addresses. For example, the domain name microsoft.com represents about a dozen IP addresses. Domain names are used in URLs to identify particular web pages. For example, in the URL http://www.pcwebopedia.com/index.html, the domain name is pcwebopedia.com.

The code is obtained by first reversing the letters and then moving each letter 2 steps forward. Accordingly, CUT is coded as VWE.

Here 1= D, 3 = Q, 4 = F, 7 = J, 9 = L and 2 = A, 5 = M, 6 = P,8 = N. Hence, the required code is QLPNDF.

Teaching aids do not make the role of the teacher unimportant rather they assist the teacher in teaching and making the students understand the topic well.