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Q No.1 of 10

The machine dependent operating system feature is/are________.

Option 1

file processing , process scheduling

Option 2

Interrupt processing, process scheduling

Option 3

job scheduling

Option 4

None of these

Q No.2 of 10

The machine independent operating system features is/are_______.

Option 1

file processing, job scheduling

Option 2

management of real memory

Option 3

I/O supervision, job scheduling

Option 4

None of these

Q No.3 of 10

The machine independent step(s) that can be used to optimize the memory requirement of a program.

Option 1

Elimination of common sub – expressions

Option 2

Eliminating loop invariant computations

Option 3

Code hoisting

Option 4

All of these

Q No.4 of 10

Choose the correct statement.

Option 1

Any hardware can be simulated by software.

Option 2

Firmware is nothing but hardware implementation of software

Option 3

Any software can be simulated by hardware.

Option 4

All of these

Q No.5 of 10

If following memory configurations:

ADDRESS	VALUE
1	5
5	7
7	11
10	3

Register R: 5

Then

ADD 6 (immediate) TO R (indirect) gives the value

Option 1

13

Option 2

20

Option 3

7

Option 4

10

Q No.6 of 10

In a two-pass assembler the object code generation is done during the

Option 1

1st pass

Option 2

2nd pass

Option 3

Zero-th pass

Option 4

none of these

Q No.7 of 10

A compiler which allows only the modified section of the source code to be recompiled is called______.

Option 1

source compiler

Option 2

incremental compiler

Option 3

dynamic compiler

Option 4

selective compiler

Q No.8 of 10

Effective address got by index mode will be the same as that of register indirect mode when the index register has the value

Option 1

1

Option 2

-1

Option 3

0

Option 4

None of these

Q No.9 of 10

The correct sequence of time delays that happen during a data transfer form a disk to memory

Option 1

latency time, seek time and transfer time

Option 2

latency time, access time and transfer time

Option 3

seek time, latency time and transfer time

Option 4

seek time, access time and transfer time

Q No.10 of 10

If following memory configurations:

ADDRESS	VALUE
1	5
5	7
7	11
10	3

Register R: 5

Then

If the effective address of X is got by auto-increment mode and the effective address of Y by auto-decrement mode then the instruction ADD X TO Y, gives the value

Option 1

15

Option 2

22

Option 3

14

Option 4

30