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Quiz 7
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Q.1
Which of the following is a measure to test how good or bad a modular design is
Module strength
Module coupling
Static analysis
All of the above
None of the above
Q.2
If special forms are needed for printing the output, the programmer specifies these forms through?
JCL
JPL
Utility programs
Load modules
None of the above
Q.3
Which policy replace a page if it is not in the favoured subset of a process's pages?
FIFO
LRU
LFU
Working set
None of the above
Q.4
A hardware device that is capable of executing a sequence of instructions, is known as
CPU
ALU
CU
Processor
None of the above
Q.5
Which of following is/are the advantage(s) of modular programming?
The program is much easier to change
Modules can be reused in other programs
Easy debugging
Easy to compile
None of the above
Q.6
The Operating system manages
Memory
Processor
Disks and I/O devices
All of the above
None of the above
Q.7
Which of the following can be accesses by transfer vector approach of linking?
External data segments
External subroutines
Data located in other procedures
All of the above
None of the above
Q.8
The function(s) performed by the paging software is (are)
Implementation of the access environment for all programs in the system
Management of the physical address space
Sharing and protection
All of the above
None of the above
Q.9
A compiler for a high-level language that runs on one machine and produces code for a different machine is called
optimizing compiler
one pass compiler
cross compiler
multipass compiler
None of the above
Q.10
The primary purpose of an operating system is to:
make computer easier to use
keep system programmers employed
make the most efficient use of the hardware
allow people to sue the computers
None of the above
Q.11
Which of the following terms refers to the degree to which data in a database system are accurate and correct?
data security
data validity
data independence
data integrity
None of the above
Q.12
In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with
recognition of basic syntactic constructs through reductions
recognition of basic elements and creation of uniform symbols
creation of more optional matrix
use of macro processor to produce more optimal assembly code
None of the above
Q.13
A linker
creates a load module
is not necessary with variable partitions
must be run after the loader
is not needed with a good compiler
None of the above
Q.14
Uniform Symbols Table
contains all constants in the program
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 of 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.15
A critical region is
a program segment that has not been proved bug-free
a program segment that often causes unexpected system crashes
a program segment where shared resources are accessed
one which is enclosed by a pair of P and V operations on semaphores
none is the above
Q.16
In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?
best fit
first fit
worst fit
buddy
None of the above
Q.17
In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register?
absolute mode
indirect mode
immediate mode
index mode
None of the above
Q.18
In an absolute loading scheme, which loader function is accomplished by assembler.
Reallocation
Allocation
Linking
Loading
None of the above
Q.19
The command interpreter
is usually the primary user interface
requires fixed format commands
is menu drive
is quite different from the SCL interpreter
None of the above
Q.20
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?
Upgradability
Upward mobility
Universality
Upward compatibility
None of the above
Q.21
Which of the following filename extension suggests that the file is a backup copy of another file?
.txt
.com
.bas
.bak
None of the above
Q.22
Relocation bits used by relocating loader are specified (generated) by
Relocating loader itself
Linker
Assembler or translator
Macro processor
None of the above
Q.23
Non-modifiable procedures are called
serially usable procedures
concurrent procedures
reentrant procedures
topdown procedures
None of the above
Q.24
The instruction register
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.25
Which of the following statements is false?
a process scheduling algorithm is preemptive if the CPU can be forcibly removed from a process
time sharing systems generally use preemptive CPU scheduling
response time are more predictable in preemptive systems than in non preemptive systems
real time systems generally use non-preemptive CPU scheduling
None of the above
Q.26
Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy
to be fair
to balance resource utilization
to obey priorities
to be predictable
None of the above
Q.27
Multiprogramming systems:
are easier to develop than single programming system
execute each job faster
execute more jobs in the same time period
are used only on large mainframe computers
None of the above
Q.28
Backups should be done
daily for most installations
weekly for most installations
as several image copies, followed by an incremental
as several incrementals, followed by an image copy
None of the above
Q.29
An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as
procedure name
macro
label
literal
None of the above
Q.30
A program
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 of the CPU
None of the above
Q.31
A self-relocating 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.32
Banker's algorithm for resource allocation deals with
deadlock prevention
deadlock avoidance
deadlock recovery
mutual exclusion
None of the above
Q.33
A sequence of instructions, in a computer language, to get the desired result, is known as
Algorithm
Decision Table
Program
All of the above
None of the above
Q.34
Under multiprogramming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.
lengthened; shortened
shortened; lengthened
shortened; shortened
lengthened; lengthened
None of the above
Q.35
The most common systems security method is
passwords
encryption
firewall
all of the above
None of the above
Q.36
Two basic types of operating systems are:
sequential and direct
batch and timesharing
sequential and realtime
batch and interactive
None of the above
Q.37
Daisy chain is a device for
connecting a number of controllers to a device
connecting a number of devices to a controller
interconnecting a number of devices to a number of controllers
all of the above
None of the above
Q.38
In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with
recognition of basic syntactic constructs through reductions
recognition of basic elements and creation of uniform symbols
creation of more optional matrix
use of macro processor to produce more optimal assembly code
None of the above
Q.39
What does FAT stands for?
File attribute type
File allocation table
Format All Tabs settings
File for all type
Q.40
Fonts install from
Add from control panel
Font setup file
Font.exe file
All of above
Q.41
Which is not concerned with control panel?
Printer
Run application
Font
Keyboard
Q.42
Which components appear in the initial windows start up display?
Dialog box
Task bar
Start menu
All of the above
Q.43
Unicode standard is
Keyboard layout
Software
Font
Character encoding system
Q.44
A ..... is a windows component that is designed to store other components so these can be organized efficiently?
Document
Window
Folder
All of above
Q.45
Poor response time are usually caused by
Process busy
High I/I rates
High paging rate
Any of the above
Q.46
Where will store data first time when you copy
Clipboard
Clipbook
Hard disk
CD
Q.47
GUI means
Graphic user interface
Geographic user interface
Graphical user interface
Geometric user interface
Q.48
Use of icons and windows are characteristics of ....... interface
Command driven
Windows orientated
Graphical user
Menu driven
Q.49
Windows can run
One application only
Two applications only
Four applications only
All of above
Q.50
The operating feature that integrates the file created in different application into WebPages
Web integration
Internet integration
Intranet integration
Hypertext integration
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