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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Word or set of letters that can be used to represent a specific function and are easily memorable is classified as
Answer: B
Correct answer: mnemonics
A mnemonic is a short group of letters chosen to be easy to remember and standing for a particular operation - ADD, SUB, JMP. Symbolic addresses name locations rather than functions.
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Group of all special characters such as digits and letters are classified as
Answer: A
Correct answer: strings
A sequence of characters - letters, digits and symbols alike - treated as a single value is a string. The distinction that matters is that the digits in a string are characters, not numbers to be calculated with.
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