IT &computer MCQ section 5 MCQ Questions & Answers Detailed Explanation

Answer: (c)

In the field of computer networking and other packet-switched telecommunication networks, Quality of Service (QoS) traffic scheduling refers to traffic prioritization and resource reservation control mechanisms that provide different priority to different applications, users, or data flows, and guarantees a certain level of performance to a data flow.

It is particularly important for the transport of traffic with special requirements.

Answer: (c)

The ‘NOSHADE’ attribute in HTML specifies that a horizontal line should render in one solid color (no shaded), instead of a shaded color. So, it displays the line in red.

Answer: (b)

Assembly language is converted into executable machine code by a utility program referred to as an assembler; the conversion process is referred to as assembly, or assembling the code.

Answer: (c)

A Floppy Disc can store 1.44 mb data.

Answer: (d)

In a Computer System, the Printer is functionally Opposite of a Keyboard. A keyboard is the most common input device that comprises a set of typewriter-like keys used to enter data into a computer.

On the contrary, a printer is an output device capable of printing text and graphics on paper. Printers convert processed data from a combination of electronic impulses into a printed form called a hard copy.

Answer: (a)

Fetch-Decode-Execute Cycle is the basic operation cycle of a computer. It is the process by which a computer retrieves a program instruction from its memory (fetch), determines what actions the instruction requires (decode), and carries out those actions (execute).

It is repeated continuously by the central processing unit, from boot up to when the computer is shut down.