IT &computer MCQ section 1 MCQ Questions & Answers Detailed Explanation
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The following question based on IT & computer topic of general awareness mcq
(a) Language Errors
(b) Logical Errors
(c) Hardware Errors
(d) Image Errors
e) Syntax errors or diagnostic errors
The correct answers to the above question in:
Answer: (e)
Syntax errors or diagnostic errors are identified by the compiler. These errors occur when a program does not conform to the grammar of a programming language, and the compiler cannot compile the source file.
A syntax error is an error in the syntax of a sequence of characters or tokens that are intended to be written in a particular programming language.
Common syntax errors include missing or misplaced; or }, the missing return type for a procedure, missing or duplicate variable declaration, type mismatch on assignment, type mismatch between actual and formal parameters, etc.
Logic errors occur when a program does not do what the programmer expects it to do.
Since these errors are due to wrong logic in the program, logic errors cannot be identified by the compiler; they are detected only when the program is executed.
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Read more it and computer Based General Awareness Questions and Answers
Question : 1
How many bytes are equal to one kilobyte ?
a) 976
b) 1050
c) 1000
d) 1024
Answer »Answer: (d)
The kilobyte is a multiple of the unit byte for digital information. It refers to either 1024 (210) bytes or 1000 (103 ) bytes, dependent upon context, in the fields of computer science and information technology.
Question : 2
A compact disc (CD) is a data storage system of the type
a) electrical
b) magnetic
c) optical
d) electro-mechanical
Answer »Answer: (c)
The Compact Disc, or CD for short, is an optical disc used to store digital data. It was originally developed to store and playback sound recordings only, but the format was later adapted for the storage of data (CD-ROM).
Standard CDs have a diameter of 120 millimetres (4.7 in) and can hold up to 80 minutes of uncompressed audio or 700 MB (700 × 106 bytes) of data.
Question : 3
Related to computers, what is ‘Wetware’ ?
a) Human brain
b) Computer programs
c) Circuitory
d) Chemical storage devices
Answer »Answer: (a)
Wetware is a term drawn from the computer-related idea of hardware or software but applied to biological life forms. Here the prefix “wet” is a reference to the water found in living creatures.
Wetware is used to describe the elements equivalent to hardware and software found in a person, namely the central nervous system (CNS) and the human brain.
Question : 4
Cache memory acts between
a) RAM and ROM
b) CPU and RAM
c) CPU and ROM
d) CPU and Hard disk
Answer »Answer: (b)
Cache memory is a very high-speed semiconductor memory that can speed up the processor or CPU. It acts as a buffer between the CPU and main memory (RAM).
It is used to hold those parts of data and programs which are most frequently used by the CPU. The parts of data and programs are transferred from disk to cache memory by the operating system, from where the CPU can access them.
Question : 5
An electronic device that produces sounds from instructions in a mini file is a
a) speaker
b) synthesizer
c) scanner
d) sampler
Answer »Answer: (b)
A sound synthesizer is an electronic instrument capable of producing a wide range of sounds. Synthesizers may either imitate other instruments ("imitative synthesis") or generate new timbres.
They can be played (controlled) via a variety of different input devices (including keyboards, music sequencers and instrument controllers). Synthesizers generate electric signals (waveforms), and can finally be converted to sound through loudspeakers or headphones.
Question : 6
A ‘bug’ in a program is
a) error
b) statement
c) syntax
d) Both (b) and (c)
Answer »Answer: (a)
A software bug is an error, flaw, failure, or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.
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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
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