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Computer Fundamentals
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Quiz 4
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Q.1
Interprocess communication
is required for all processes
is usually done via disk drives
is never necessary,
allows processes to synchronize activity
None of the above
Q.2
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.3
The LRU algorithm
pages out pages that have been used recently
pages out pages that have not been used recently
pages out pages that have been least used recently
pages out the first page in a given area
None of the above
Q.4
Which of the following systems software does the job of merging the records from two files into one?
Security software
Utility program
Networking software
Documentation system
None of the above
Q.5
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.6
Thrashing
is a natural consequence of virtual memory systems
can always be avoided by swapping
always occurs on large computers
can be caused by poor paging algorithms
None of the above
Q.7
A system program that combines the separately compiled modules of a program into a form suitable for execution
assembler
linking loader
cross compiler
load and go
None of the above
Q.8
Process is
program in High level language kept on disk
contents of main memory
a program in execution
a job in secondary memory
None of the above
Q.9
Which of the following is not a video file extension?
.avi
.wav
.mpeg
.mov
Q.10
What is the extension of the font file?
.ttf
.mdb
.fft
.txt
Q.11
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.12
The Memory Buffer Register (MBR)
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.
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".
None of the above
Q.13
Which is not executable file?
.com
.exe
.bat
.txt
Q.14
To move to the beginning of a line of text, press the __________ key.
A
PgUp
Enter
Home
Q.15
When was MS Windows operating system introduced?
1975
1985
1995
2000
Q.16
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.17
First operating system was developed in
1958
1976
1956
1946
Q.18
The maximum length of any single path from the root directory?
54
63
80
27
Q.19
The part of machine level instruction, which tells the central processor what has to be done, is
Operation code
Address
Locator
Flip-Flop
None of the above
Q.20
Which of the following refers to the associative memory?
the address of the data is generated by the CPU
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
the data are accessed sequentially
None of the above
Q.21
Which of the following is a program group?
Word pad
Paint brush
Accessories
None of the above
Q.22
To avoid the race condition, the number of processes that may be simultaneously inside their critical section is
8
1
16
0
None of the above
Q.23
A program in execution is called
A Paging
A Process
A virtual memory
A Demand Page
Q.24
What is the default file extension created by notepad?
.doc
.html
.txt
.tif
Q.25
Which of the following are(is) Language Processor(s)
assembles
compilers
interpreters
All of the above
None of the above
Q.26
Which of the following is not the user file extension?
.ppt
.xls
.sys
.doc
Q.27
Which of the following is the extension of WordPad?
.ppt
.xls
.rtf
None of above
Q.28
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.29
What is the name of the operating system for the laptop computer called MacLite?
Windows
DOS
MS-DOS
OZ
None of the above
Q.30
Which of the key is used to close the active window?
Ctrl+F4
Ctrl+F5
Alt+F6
None of above
Q.31
The shortcut key to open a task manager is:
Alt + F1
Alt + Ctrl + Delete
Alt + Tab
F1
Q.32
The windows feature is the ability of computer to automatically configure a new hardware component is that
Auto detect
Plug and play
Add remove hardware
None of above
Q.33
Which of the following is not a part of the control panel?
Date and time
My documents
Add or remove program
Display
Q.34
The ...... provides information about hardware installation, configuration and hardware status
Device manager
Control panel
Add new hardware
Program manager
Q.35
Advantage(s) of using assembly language rather than machine language is (are):
It is mnemonic and easy to read.
Addresses any symbolic, not absolute
Introduction of data to program is easier
all of the above
None of the above
Q.36
Which of the following is not true about the memory management?
virtual memory is used only in multi-user systems
segmentation suffers from external fragmentation
paging suffers from internal fragmentation
segmented memory can be paged
None of the above
Q.37
Job Control Language (JCL) statements are used to
Read the input from the slow-speed card reader to the high-speed magnetic disk
Specify, to the operating system, the beginning and end of a job in a batch
Allocate the CPU to a job
All of the above
None of the above
Q.38
Which of the following is a type of systems software used on microcomputers?
MS-DOS
PC-DOS
Unix
All of the above
None of the above
Q.39
The working set theory of programming behaviour of processes running within an operating system involves
the collection of pages that a process accesses
disk scheduling mechanisms
coalescing holes in memory
assigning the CPU to processes
None of the above
Q.40
Paging
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
consists of those addresses that may be generated by a processor during execution of a computation.
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
None of the above
Q.41
Operating system is
A collection of hardware components
A collection of input-output devices
A collection of software routines
All of the above
None of the above
Q.42
A file organization component of a VSAM file is:
relative record data set
keyed sequential data set
entry sequential data set
all of the above
None of the above
Q.43
Which of the following is not true about documentation?
Documentation, of a system, should be as clear and direct as possible
Documentation increases the maintenance time and cost
Documentation gives better understanding of the problem
All of the above
None of the above
Q.44
The SJF algorithm executes first the job
that last entered the queue
that first entered the queue
that has been in the queue the longest
with the least processor needs
None of the above
Q.45
What is the name given to the software which can be legally compiled and often used for free?
Shareware program
Public domain program
Firmware program
Mindware
None of the above
Q.46
In which of the storage placement strategies a program is placed in the largest available hole in the main memory?
best fit
first fit
worst fit
buddy
None of the above
Q.47
Which of the following is a block device
mouse
printer
terminals
disk
None of the above
Q.48
Data encryption
is mostly used by public networks
is mostly used by financial networks
cannot be used by private installations
is not necessary, since data cannot be intercepted
None of the above
Q.49
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
Q.50
The problem of thrashing is affected significantly by:
program structure
program size
primary-storage size
all of the above
None of the above
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