Programming language that allows structuring of programs and data is
Answer: D
Correct answer: PASCAL
Pascal was written by Wirth to teach structured programming: it provides blocks, procedures and functions for structuring the program, and records, arrays and user-defined types for structuring the data. LOGO and COBOL offer far less of either.
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Programming language used to encourage logical thinking is classified as
Answer: A
Correct answer: LOGO
LOGO was designed by Papert for teaching, and its turtle graphics let a child see the consequence of each instruction immediately, which is what makes it a language for developing logical thinking. COBOL and Pascal were designed for business and for structured programming respectively.
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Which language is the set of rules that tells the computer what operation to perform?
Answer: A
Correct answer: Programming language
A programming language is the set of rules - syntax and semantics - by which instructions are expressed to a computer. A command language issues single commands to an operating system, and a procedural language is one kind of programming language rather than the general term.
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Examples of program routine are
Answer: D
Correct answer: all of the above
A routine may be a piece of a larger program, a set of instructions repeated for convenience, or a short program complete in itself. What defines it is that it is self-contained and can be called, not how big it is.
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The high level language program before ready to be executed must go through various process except
Answer: D
Correct answer: Controlling
A high level program is translated into object code, linked with the libraries it uses, and loaded into memory before it can run. Controlling is not a stage in that sequence, which is why it is the exception.
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The first electronic computer in the world was
Answer: C
Correct answer: ENIAC
ENIAC, completed in 1946, is generally counted the first general-purpose electronic computer. EDVAC and UNIVAC both came after it, and both were designed by the same team.
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CPU is mainly responsible for
Answer: C
Correct answer: Both 1 and 2
Processing the data is what the CPU does, and calculation is the largest part of that processing. The two options are not alternatives but the general description and its chief instance.
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For computer language evaluation, the characteristic that should not be considered is
Answer: C
Correct answer: Hardware maintenance cost
Choosing a language turns on how well it suits the application, how efficiently it runs, and how readable the result is. What it costs to maintain the hardware is a property of the machine, not of the language, so it has no bearing on the comparison.
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In the carrier sense network, if prevailing condition is a 'channel busy', then technique used is
Answer: B
Correct answer: 1-persistent then the channel is continually sensed
Under 1-persistent CSMA a station that finds the channel busy keeps listening and transmits the instant it goes idle, with probability 1. Non-persistent CSMA waits a random time before sensing again, and p-persistent transmits with probability p once the channel clears.
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Program used for interactive computing is
Answer: D
Correct answer: interpreter
An interpreter translates and executes a program a statement at a time, so a change can be tried immediately without a compile step - which is what makes it the tool for interactive computing. A compiler must process the whole program before any of it can run.
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