Reliance Jio Operating System Quiz-1

Question 1

Time: 00:00:00
What is operating system?

collection of programs that manages hardware resources

collection of programs that manages hardware resources

system service provider to the application programs

system service provider to the application programs

link to interface the hardware and application programs

link to interface the hardware and application programs

all of the mentioned

all of the mentioned

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Question 2

Time: 00:00:00
The main function of the command interpreter is:

to get and execute the next user-specified command

to get and execute the next user-specified command

to provide the interface between the API and application program

to provide the interface between the API and application program

to handle the files in operating system

to handle the files in operating system

none of the mentioned

none of the mentioned

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Question 3

Time: 00:00:00
By operating system, the resource management can be done via:

time division multiplexing

time division multiplexing

space division multiplexing

space division multiplexing

both (a) and (b)

both (a) and (b)

none of the mentioned

none of the mentioned

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Question 4

Time: 00:00:00
If a process fails, most operating system write the error information to a:

log file

log file

another running process

another running process

new file

new file

none of the mentioned

none of the mentioned

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Question 5

Time: 00:00:00
Which facility dynamically adds probes to a running system, both in user processes and in the kernel?

DTrace

DTrace

DLocate

DLocate

DMAP

DMAP

DAdd

DAdd

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Question 6

Time: 00:00:00
Which one of the following is not a real time operating system?

VxWorks

VxWorks

Windows CE

Windows CE

RTLinux

RTLinux

Palm OS

Palm OS

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Question 7

Time: 00:00:00
The OS X has:

monolithic kernel

monolithic kernel

hybrid kernel

hybrid kernel

microkernel

microkernel

monolithic kernel with modules

monolithic kernel with modules

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Question 8

Time: 00:00:00
The part of machine level instruction, which tells the central processor what has to be done, is

Operation code

Operation code

Address

Address

Locator

Locator

Flip-Flop

Flip-Flop

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Question 9

Time: 00:00:00
Which of the following refers to the associative memory?

A. The address of the data is generated by cpu

B. The address of the data is supplied by the users

C. There is no need for an address i.e. the data is used as an address

D. The data are accessed sequentially

the address of the data is generated by the CPU

the address of the data is generated by the CPU

the address of the data is supplied by the users

the address of the data is supplied by the users

there is no need for an address i.e. the data is used as an address

there is no need for an address i.e. the data is used as an address

the data are accessed sequentially

the data are accessed sequentially

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Question 10

Time: 00:00:00
To avoid the race condition, the number of processes that may be simultaneously inside their critical section is

8

8

1

1

16

16

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Question 11

Time: 00:00:00
The Memory Buffer Register (MBR)

is a hardware memory device which denotes the location of the current instruction being executed.

is a hardware memory device which denotes the location of the current instruction being executed.

is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

contains the address of the memory location that is to be read from or stored into.

contains the address of the memory location that is to be read from or stored into.

contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write"

contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write"

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Question 12

Time: 00:00:00
The strategy of allowing processes that are logically runnable to be temporarily suspended is called

preemptive scheduling

preemptive scheduling

non preemptive scheduling

non preemptive scheduling

shortest job first

shortest job first

first come first served

first come first served

None of the above

None of the above

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Question 13

Time: 00:00:00
The Storage-to-Storage instructions

have both their operands in the main store.

have both their operands in the main store.

which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, expect in the case of store operation when it is also written into the specified storage location.

which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, expect in the case of store operation when it is also written into the specified storage location.

which perform indicated operations on two fast registers of the machine and have the result in one of the registers

which perform indicated operations on two fast registers of the machine and have the result in one of the registers

all of the above

all of the above

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Question 14

Time: 00:00:00
The LRU algorithm

pages out pages that have been used recently

pages out pages that have been used recently

pages out pages that have not been used recently

pages out pages that have not been used recently

pages out pages that have been least used recently

pages out pages that have been least used recently

pages out the first page in a given area

pages out the first page in a given area

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Question 15

Time: 00:00:00
Which of the following systems software does the job of merging the records from two files into one?

Security software

Security software

Utility program

Utility program

Networking software

Networking software

Documentation system

Documentation system

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Question 16

Time: 00:00:00
Supervisor state is

never used

never used

entered by programs when they enter the processor

entered by programs when they enter the processor

required to perform any I/O

required to perform any I/O

only allowed to the operating system

only allowed to the operating system

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Question 17

Time: 00:00:00
Which of the following functions is(are) performed by the loader

allocate space in memory for the programs and resolve symbolic references between object decks

allocate space in memory for the programs and resolve symbolic references between object decks

adjust all address dependent locations, such as address constants, to correspond to the allocated space.

adjust all address dependent locations, such as address constants, to correspond to the allocated space.

physically place the machine instructions and data into memory.

physically place the machine instructions and data into memory.

All of the above

All of the above

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Question 18

Time: 00:00:00







User-Friendly Systems are:

required for object-oriented programming

required for object-oriented programming

easy to develop

easy to develop

common among traditional mainframe operating systems

common among traditional mainframe operating systems

becoming more common

becoming more common

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Question 19

Time: 00:00:00
Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears?

ascending

ascending

sorting

sorting

index

index

indirect

indirect

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Question 20

Time: 00:00:00
While running DOS on a PC, which command would be used to duplicate the entire diskette?

COPY

COPY

DISKCOPY

DISKCOPY

CHKDSK

CHKDSK

TYPE

TYPE

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