Tag: technology

Questions Related to technology

What is true for the double trailing at sign(@@)?
technology

  1. It enables the next INPUT statement to read from the current e=record across multiple iterations of the DATA step.

  2. It must be the last item that is specified in the INPUT statement

  3. It is released when the input pointer moves past the end of the record

  4. All of the above

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Correct Option: D

What is the result of submitting the follwing program? data work.group; set company.usa end=last; if last; run;
technology

  1. an error

  2. an empty datas set

  3. a continous loop

  4. a data set that contains one observation

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Correct Option: D

condition required for deadlock
technology operating systems

  1. mutual exclusion

  2. no preemtion

  3. hold and wait

  4. cycle

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Correct Option: A,B,C,D

paging technique lead to external fragmentation
technology operating systems

  1. True

  2. False

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Correct Option: A

virtual memory management is a dynamic paging concept
technology operating systems

  1. True

  2. False

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Correct Option: A

which one of following are scheduling algorithm

technology operating systems

  1. fcfs

  2. sjf

  3. round robin

  4. all of the above

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Correct Option: D

external fragmentation can be handled by

technology operating systems

  1. compaction

  2. defragmentation

  3. it cannot be handled

  4. none of the choice

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Correct Option: A

which is the fastest memory

technology operating systems

  1. hard disc

  2. main memory

  3. cpu registers

  4. cache memoy

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Correct Option: C

technique to handle deadlock
technology operating systems

  1. deadlock prevention

  2. deadlock detection

  3. deadlock avoidance

  4. all of the above

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Correct Option: D

indexing is used to sort
technology operating systems

  1. True

  2. False

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Correct Option: B