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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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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