Practice Operating Systems Concepts Multiple Choice Questions with Answers Quiz-7

Q.1.

Which of the following statements is false?

the technique of storage compaction involves moving all occupied areas of storage to one end or other of main storage
compaction does not involve relocation of programs
compaction is also know as garbage collection
the system must stop everything while it performs the compaction
None of the above

Q.2.

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

COPY
DISKCOPY
CHKDSK
TYPE
None of the above

Q.3.

While working with MS-DOS, which command will you use to transfer a specific file from one disk to another?

DISKCOPY
COPY
RENAME
FORMAT
None of the above

Q.4.

In MS-DOS 5.which is the number that acts as a code to uniquely identify the software product?

MS
DOS
MS DOS
5.0
None of the above

Q.5.

What is the name given to the organized collection of software that controls the overall operation of a computer?

Working system
Peripheral system
Operating system
Controlling system
None of the above

Q.6.

Fragmentation of the file system

occurs only if the file system is used improperly
can always be prevented
can be temporarily removed by compaction
is a characteristic of all file systems
None of the above

Q.7.

Fork is

the dispatching of a task
the creation of a new job
the creation of a new process
increasing the priority of a task
None of the above

Q.8.

Addressing structure

defines the fundamental method of determining effective operand addresses
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
all of the above
None of the above

Q.9.

Interprocess communication

is required for all processes
is usually done via disk drives
is never necessary,
allows processes to synchronize activity

Q.10.

Memory

is a device that performs a sequence of operations specified by instructions in memory.
is the device where information is stored
is a sequence of instructions
is typically characterized by interactive processing and time-slicing of the CPU's time to allow quick response to each user.
None of the above

Q.11.

What is the name of the operating system for the laptop computer called MacLite?

Windows
DOS
MS-DOS
OZ
None of the above

Q.12.

Bug means

A logical error in a program
A difficult syntax error in a program
Documenting programs using an efficient documentation tool
All of the above
None of the above

Q.13.

The principle of locality of reference justifies the use of

reenterable
non reusable
virtual memory
cache memory
None of the above

Q.14.

A non-relocatable program is one which

cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
consists of a program and relevant information for its relocation.
can itself performs the relocation of its address-sensitive portions.
all of the above
None of the above

Q.15.

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
adjust all address dependent locations, such as address constants, to correspond to the allocated space.
physically place the machine instructions and data into memory.
All of the above
None of the above

Q.16.

Which of the following rules out the use of GO TO?

Flowchart
HIPO-DIAGRAMS
Nassi-Shneiderman diagram
All of the above
None of the above

Q.17.

In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?

index addressing
indirect addressing
auto increment
auto decrement
None of the above

Q.18.

Memory management is :

not used in modern operating system
replaced with virtual memory on current systems
not used on multiprogramming systems
critical for even the simplest operating systems
None of the above

Q.19.

The register or main memory location which contains the effective address of the operand is known as

pointer
indexed register
special location
scratch pad
None of the above

Q.20.

Which of the following are(is) Language Processor(s)

assembles
compilers
interpreters
All of the above
None of the above

Q.21.

Supervisor state is

never used
entered by programs when they enter the processor
required to perform any I/O
only allowed to the operating system
None of the above

Q.22.

Seeks analysis

is used for analyzing paging problems
is used for analyzing device busy problems
is used for analyzing control-unit busy problems
is only shown on real-time displays
None of the above

Q.23.

A translator which reads an entire programme written in a high level language and converts it into machine language code is:

assembler
translator
compiler
system software
None of the above

Q.24.

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

preemptive scheduling
non preemptive scheduling
shortest job first
first come first served
None of the above

Q.25.

User-Friendly Systems are:

required for object-oriented programming
easy to develop
common among traditional mainframe operating systems
becoming more common
None of the above

Q.26.

A system program that sets up an executable program in main memory ready for execution is

assembler
linker
loader
compiler
None of the above

Q.27.

What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?

Defined values
Fixed values
Default values
Special values
None of the above

Q.28.

Assembly code data base is associated with

assembly language version of the program which is created by the code generation phase and is input to the assembly phase.
a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure.
consists of a full or partial list or the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation.
a permanent table which lists all key words and special symbols of the language in symbolic form.
None of the above

Q.29.

In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?

index addressing
indirect addressing
auto increment
auto decrement
None of the above

Q.30.

What is the name given to the process of initializing a microcomputer with its operating system?

Cold booting
Booting
Warm booting
Boot recording
None of the above

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