IT &computer MCQ section 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general awareness mcq - 7 EXERCISES
-
New Computer & IT General Awareness MCQs For SSC RRB IBPS »
-
555 Information Technology Questions and Answers Quiz PDF »
-
Computer & IT Awareness MCQs Quiz For IBPS RRB RBI Exams »
-
500+ Computer Awareness GK MCQs Quiz For All BANK Exams »
-
500+ Computer & IT GK MCQs For All Competitive Exams PDF »
-
Top 500 Computer & Information Technology GK MCQ Quiz PDF »
-
Computer & IT MCQ Quiz for SBI, RBI, IBPS, RRB BANK Exams »
The following question based on IT & computer topic of general awareness mcq
(a) sound card
(b) laser beam
(c) magnetic needle
(d) graphics card
The correct answers to the above question in:
Answer: (b)
Data is stored on the disc as a series of microscopic indentations. A laser is shone onto the reflective surface of the disc to read the pattern of pits and lands.
Because the depth of the pits is approximately one-quarter to one-sixth of the wavelength of the laser light used to read the disc, the reflected beam's phase is shifted in relation to the incoming beam, causing destructive interference and reducing the reflected beam's intensity. This pattern of changing the intensity of the reflected beam is converted into binary data.
Discuss Form
Read more it and computer Based General Awareness Questions and Answers
Question : 1
Which of the following is an impact printer ?
a) Laser printer
b) Ink-jet printer
c) Bubble-jet printer
d) Daisy wheel printer
Answer »Answer: (d)
Impact Printers refer to a class of printers that work by banging a head or needle against an ink ribbon to make a mark on the paper. This includes dot-matrix printers, daisy-wheel printers, and line printers. In contrast, laser and ink-jet printers are nonimpact printers.
Question : 2
Who developed the concept of email ?
a) Ray Tomlinson
b) Bill Gates
c) Arthur C. Clark
d) Sabir Bhatia
Answer »Answer: (a)
Ray Tomlinson is credited with developing the first viable e-mail program in 1971 for use on the ARPANET.
Although text messages were occasionally sent over the network, Tomlinson created the first program. it is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks.
Some early email systems required that the author and the recipient both be online at the same time, in common with instant messaging. Today’s email systems are based on a store-and-forward model.
Question : 3
Direct access of file is also known as
a) file access
b) random access
c) relative access
d) sequential access
Answer »Answer: (b)
In computer storage, direct access is the ability to obtain data from a storage device by going directly to where it is physically located on the device rather than by having to sequentially look for the data at one physical location after another.
Direct access is also called random access because it allows equally easy and fast access to any randomly selected destination.
Question : 4
Correct expansion of the term ‘http’ in Internet address is
a) hybrid text transfer protocol
b) higher text transfer protocol
c) higher transfer text protocol
d) hypertext transfer protocol
Answer »Answer: (d)
The Hypertext Transfer Protocol (HTTP) is an application protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web. HTTP is the protocol to exchange or transfer hypertext.
Question : 5
An Intelligent terminal
a) interacts with the user in English
b) has a microprocessor, but cannot be programmed by the user
c) can process small data processing jobs, with the use of a large CPU
d) cannot take data from the user
Answer »Answer: (c)
An Intelligent terminal is A terminal with built-in processing capability, but no local disk or tape storage.
It may use a general-purpose CPU or may have specialized circuitry as part of a distributed intelligence system. Intelligent terminals include memory and a processor to perform special display operations.
Question : 6
Rearranging and allocating space in memory to provide for multiple computing tasks is called
a) Multitasking
b) Networking
c) Multiprogramming
d) Memory Management
Answer »Answer: (d)
Memory management provides ways to dynamically allocate portions of memory to programs at their request, and free it for reuse when no longer needed.
It enables the allocation of additional memory space or release of unwanted space at run time for optimizing the use of storage space. It provides flexibility in adding, deleting or rearranging data items at run time.
GET IT & computer PRACTICE TEST EXERCISES
IT &computer MCQ section 1
IT &computer MCQ section 2
IT &computer MCQ section 3
IT &computer MCQ section 4
IT &computer MCQ section 5
IT &computer MCQ section 6
IT &computer MCQ section 7
IT & computer Shortcuts and Techniques with Examples
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
Syllogism Practice Questions Answers PDF - IBPS Clerk 2024
Practice Verbal Reasoning Syllogism multiple choice questions and answers with Fully solved explanation, PDF for the IBPS Clerk Prelims 2024 Bank Exam
Continue Reading »
IBPS Clerk Prelims 2024 Synonyms Questions Solved Answers
Most important IBPS Clerk Prelims 2024 Synonyms and Antonyms multiple choice questions and answers with detailed solutions, English vocabulary PDF Download
Continue Reading »
New Cloze Test Questions and Answers PDF - IBPS Clerk 2024
The most important Cloze Test questions with detailed answers for upcoming IBPS Clerk prelims 2024. Latest English verbal ability practice MCQs, PDF
Continue Reading »
Mensuration Aptitude Practice Mcq Questions IBPS Clerk 2024
Most Important Practice Mensuration aptitude multiple choice questions, answers with detailed solutions, PDF beginner to advanced for IBPS Clerk Prelims 2024
Continue Reading »