IT &computer MCQ section 5 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) NOT
(b) ADD
(c) AND
(d) OR
The correct answers to the above question in:
Answer: (b)
Logical operators are mainly used to control program flow. And, Or, AndAlso, OrElse, and Xor are binary operators.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
In Windows, Icons such as Add/ Remove programs, Add New Hardware, Modems etc.; are found in :
a) Network Neighbourhood
b) Task Bar
c) Control Panel
d) My Computer
Answer »Answer: (c)
The Control Panel is a part of the Microsoft Windows graphical user interface which allows users to view and manipulate basic system settings and controls via applets, such as adding hardware, adding and removing software, controlling user accounts and changing accessibility options.
Question : 2
Double is a ______ data type.
a) system defined
b) primitive
c) user defined
d) local
Answer »Answer: (b)
The Double class wraps a value of the primitive type double in an object. An object of type Double contains a single field whose type is double.
In addition, this class provides several methods for converting a double to a String and a String to a double, as well as other constants and methods useful when dealing with a double.
Question : 3
What is the speciality of WINDOWS–NT?
a) supports Batch processing
b) supports real–time processing
c) supports LAN and WAN
d) supports multi–processing
Answer »Answer: (d)
Windows NT is designed for multi-processor systems. It supports symmetrical multiprocessing which enables multiple microprocessors to be productive at all times, increasing the overall system throughput and taking advantage of available processing power. Multiprocessing enables multiple tasks or applications to run in parallel on different microprocessors.
Personal workstations are designed to operate with more than one microprocessor in order to take advantage of the multiprocessing capabilities of Windows NT (The GIS Book by G.B. Corte)
Question : 4
The section of the CPU that selects, interprects and monitors the execution of program instructions is
a) Control unit
b) Memory
c) Register
d) ALU
Answer »Answer: (a)
The Control Unit, considered as the “Central nervous System” of a computer, obtains the instructions from the memory, interprets them and directs the operation of the computer.
It selects, interprets and monitors the execution of the program instructions by generating the timing and control signals.
Question : 5
The telephone line is connected through the ____on the computer.
a) Ethernet
b) USB
c) Modem
d) PS2
Answer »Answer: (c)
A modem turns the digital data of a personal computer into modulated electrical signals in the voice frequency range of a telephone channel. These signals can be transmitted over telephone lines and demodulated by another modem at the receiver side to recover the digital data.
Question : 6
What is ‘Teletext’ ?
a) Connecting the local telephone with outstation telephones without STD codes.
b) Flashing of telephone conversation on TV screen.
c) Printing the text of the message on the telex machine.
d) Flashing of the text of news and information on the TV screen.
Answer »Answer: (d)
Teletext is a Data broadcasting service in which pre-programmed sequences of frames of data are broadcast cyclically, and a user, equipped with a standard television receiver and a special decoder, selects the desired frames for viewing.
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IT &computer MCQ section 1
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IT &computer MCQ section 5
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IT &computer MCQ section 7
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