A. Circuit switching
B. Telephone switching
C. Packet switching
D. Telex switching
Correct Answer: C. Packet switching
The Internet uses IP (Internet Protocol), which is a packet switching protocol. Packet switching is a mode of data transmission in which a message is broken into a number of parts that are sent independently, over whatever route is optimum for each packet, and reassembled at the destination.
A. Bill Rogers
B. Tim Berners-Lee
C. ARPANET
D. Bill Gates
Correct Answer: B. Tim Berners-Lee
Tim Berners-Lee, a British scientist, invented the World Wide Web (WWW) in 1989 while working at CERN. CERN is a European Organization for Nuclear Research. He wrote the first web browser in 1990 and the browser was released outside CERN in 1991. Starting to the general public in August 1991.
A. 1950s
B. 1960s
C. 1970s
D. 1980s
Correct Answer: B. 1960s
The Internet is the global system of interconnected computer networks to communicate between networks and devices. The origins of the Internet date back to the development of packet switching and research commissioned by the United States Department of Defense in the 1960s to enable time-sharing of computers. The network was used and refined by universities throughout the 1970s and 1980s, but it wasn’t until 1992 that the Internet was made available to the general public.
A. &
B. #
C. ^
D. $
Correct Answer: B. Hashtag (#)
HREF is called anchor tag. An anchor tag is an HTML tag. It is used to define the beginning and end of a hypertext link. The hashtag (#) symbol is used at the beginning of the HREF text to select a section within a page. For Example <a href=”#Content”>Content</a>. By simply setting a hashtag (#) at the anchor name, the browser can identify a jump within the page.
A. 1
B. 2
C. 3
D. 4
Correct Answer: C. 3
An HTTP request has three parts:
A. User-Agents
B. Servers
C. IP
D. Domain
Correct Answer: A. User-Agents
When the sender and the receiver of an e–mail are on the same mail server, we need only two user agents. In computing, a user agent is a software that is acting on behalf of a user, such as a web browser that “retrieves, renders and facilitates end-user interaction with Web content”. An email reader is a mail user agent.
A. Infinite loop
B. Data highway
C. Data traffic pattern
D. Feedback loop
Correct Answer: A. D. Feedback loop
Computers that control processes accept data in a continuous way is called the Feedback loop. A feedback loop is the part of a system in which some portion (or all) of the system’s output is used as input for future operations. Each feedback loop has a minimum of four stages. During the first stage, the input is created. During the second stage, the input is captured and stored. During the third stage, the input is analyzed and during the fourth stage, the insight gained from the analysis is used to make decisions.
A. Internal memory
B. Mass memory
C. Non-volatile memory
D. PROM
Correct Answer: A. Internal memory
Internal memory is used for storing programs and data currently being processed by the CPU. Internal memory refers to the main memory (RAM), but may also refer to ROM and flash memory. Internal memory generally refers to chips rather than disks or tapes.
A. Restoring the information backup
B. An exact copy of a system’s information
C. The ability to get a system up and running in the event of a system crash or failure
D. All of the Above
Correct Answer: D. All of the Above
In information technology, a backup is a copy of a file or other item of data made in case the original data is lost or damaged. Backup gives us the following supports:
A. Conductors
B. Connectors
C. Consecutive
D. Buses
Correct Answer: D. Buses
Motherboard consists of a set of wires that carries out the communication and establishes a connection between various components of the motherboard including CPU. Buses in motherboard are Internal and External.