IT &computer MCQ section 7 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general awareness mcq - 7 EXERCISES
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The following question based on IT & computer topic of general awareness mcq
(a) Select the save command
(b) Select the close command
(c) Select the new command
(d) Select the open command
The correct answers to the above question in:
Answer: (d)
The Open command is used to find and load a file that has been saved on a computer.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
Which of the following is the operation executed on data stored in registers?
a) Microoperation
b) Bitoperation
c) Macrooperation
d) Byteoperation
Answer »Answer: (a)
The operations executed on data stored in registers are called Microoperations. Microoperation is an elementary operation performed (during one clock pulse), on the information stored in one or more registers. Examples of microoperation include: shift, load, clear, increment, count, etc.
Question : 2
In computer science, data hazard occurs when
a) machine size is limited
b) pipeline changes the order of read/write access to operands
c) performance loss
d) some functional unit is not fully pipelined
Answer »Answer: (b)
A major effect of pipelining is to change the relative timing of instructions by overlapping their execution. This introduces data and control hazards.
Data hazards occur when the pipeline changes the order of read/write accesses to operands so that the order differs from the order seen by sequentially executing instructions on the unpipelined machine.
Question : 3
Where was India’s first computer installed ?
a) Indian Iron’& Steel Co. Ltd., Burnpur
b) Indian Institute of Technology, Delhi
c) Indian Institute of Science, Bangalore
d) Indian Statistical Institute, Calcutta
Answer »Answer: (d)
First Computer came in India in 1956, in Calcutta now Kolkata In Indian statistical institute Kolkata under doctors Dutta, Majumdar and Roy.
It was not only the first computer of India but also Asia’s first computer outside Japan.
Question : 4
Telnet stands for
a) Teletype Network
b) Telephone Network
c) Television Network
d) Telefax Network
Answer »Answer: (b)
TELNET stands for TELephone NETwork. Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection.
Question : 5
By default, to run an application through mouse, which one of the following has to be done ?
a) Single click
b) Right click
c) Left click
d) Double dick
Answer »Answer: (d)
By default on most operating systems, for a person to execute a certain software function, he or she will have to click on the left button twice in quick succession. this is known as double-clicking. An example of this can be a person clicking on an icon.
Question : 6
What is the name of a memory buffer used to accommodate a speed differential ?
a) Accumulator
b) Cache
c) Stack Pointer
d) Disc
Answer »Answer: (b)
The memory buffer used to accommodate a speed differential is called cache. It is a hardware or software component that stores data so future requests for that data can be served faster. Cache serves to add fast memory between the CPU and main memory.
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