Operating System Questions

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371.

Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because

A

they are memory resident

B

they are initially stored on disk

C

they are available on magnetic tapes

D

they are partly in primary memory and partly on disk

E

None of the above

Correct Answer: B

Microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because they are initially stored on disk

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372.

The CPU, after receiving an interrupt from an I/O device

A

halts for a predetermined time

B

hands over control of address bus and data bus to the interrupting device

C

branches off to the interrupt service routine immediately

D

branches off to the interrupt service routine after completion of the current instruction

E

None of the above

Correct Answer: D

None.

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373.

Seeks analysis

A

is used for analyzing paging problems

B

is used for analyzing device busy problems

C

is used for analyzing control-unit busy problems

D

is only shown on real-time displays

E

None of the above

Correct Answer: B

Seeks analysis is used for analyzing device busy problems

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374.

Which is a permanent database in the general model of the compiler?

A

Literal Table

B

Identifier Table

C

Terminal Table

D

Source code

E

None of the above

Correct Answer: C

Terminal Table is a permanent database in the general model of the compiler

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375.

What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

A

Partitioning

B

Multitasking

C

Windowing

D

Paging

E

None of the above

Correct Answer: B

In Multitasking the operating system of a computer executes several programs concurrently by switching back and forth between them.

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376.

Operating system

A

links a program with the subroutines it references

B

provides a layered, user-friendly interface

C

enables the programmer to draw a flowchart

D

all of the above

E

None of the above

Correct Answer: B

Operating system provides a layered, user-friendly interface

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377.

Software that measures, monitors, analyzes, and controls real-world events is called:

A

system software

B

real-time software

C

scientific software

D

business software

E

None of the above

Correct Answer: B

Software that measures, monitors, analyzes, and controls real-world events is called real-time software

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378.

The details of all external symbols and relocation formation (relocation list or map) is provided to linker by

A

Macro processor

B

Translator

C

Loader

D

Editor

E

None of the above

Correct Answer: B

The details of all external symbols and relocation formation (relocation list or map) is provided to linker by Translator

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379.

The macro processor must perform

A

recognize macro definitions and macro calls

B

save the macro definitions

C

expand macros calls and substitute arguments

D

all of the above

E

None of the above

Correct Answer: D

None.

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380.

A development strategy whereby the executive control modules of a system are coded and tested first, is known as

A

Bottom-up development

B

Top-down development

C

Left-Right development

D

All of the above

E

None of the above

Correct Answer: B

A development strategy whereby the executive control modules of a system are coded and tested first, is known as Top-down development.

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