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Computer Fundamentals
Operating System
Quiz 3
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Q.1
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.2
What should be the extension to execute files?
EXE
BAT
COM
All of the above
Q.3
Which of the following file format supports in Windows 7?
NTFS
BSD
EXT
All of the above
Q.4
Anything you cut or copy on to the clipboard remains there until you
Change it
Clear
Exit windows
All of the above
Q.5
Part of the POST process is to ensure that the test of essential peripheral device coincides with the hardware configuration that stored in
ROM
The hard drive
CMOS
Cache Memory
Q.6
The memory resident portion of operating system is called the
Registry
API
CMOS
Kernel
Q.7
Boot startup process
Loads system files to RAM
Checks the computer connections
Clean up the computer memory
Prepare the computer ready
Q.8
When you delete file, where it resides?
Briefcase
Recycle bin
CD
Desktop
Q.9
Windows 2000 server uses the
FAT 16
NTFS
FAT 64
FAT 32
Q.10
First-in-First-Out (FIFO) scheduling is
Non Preemptive Scheduling
Preemptive Scheduling
Fair Share Scheduling
Deadline Scheduling
Q.11
Which one of the following key is used to refresh the active window?
F7
F8
F9
F5
Q.12
To display system boot menu which of the following key you must press?
F4
F7
F8
F5
Q.13
Press ____ key while booting to display Advanced Boot Menu
F5
F6
F8
Del
Q.14
You can switch from one program to another on the desktop by clicking within the desired program's window or by clicking on its ...... button
Icon
Taskbar button
Folder
None of above
Q.15
You can switch from one program to another by clicking within the desired program's icon from the
Application icon on desktop
Application icon from taskbar
Folder
None of above
Q.16
Virtual memory typically located on
RAM
CPU
Flash card
Hard drive
Q.17
What is contained in the page table?
Base address of each frame and corresponding page number
Memory address and corresponding page number
File name and corresponding page number
None of 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 initial value of the semaphore that allows only one of the many processes to enter their critical sections, is
8
1
16
0
None of the above
Q.20
The Register - to - Register (RR) instructions
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, except in the case of store operation when it is also
which perform 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.21
A page fault
is an error is a specific page
occurs when a program accesses a page of memory
is an access to a page not currently in memory
is a reference to a page belonging to another program
None of the above
Q.22
An algorithm is best described as
A computer language
A step by step procedure for solving a problem
A branch of mathematics
All of the above
None of the above
Q.23
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.24
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.25
Page stealing
is a sign of an efficient system
is taking page frames from other working sets
should be the tuning goal
is taking larger disk spaces for pages paged out
None of the above
Q.26
In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?
MS
DOS
MS DOS
5
None of the above
Q.27
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.28
System generation:
is always quite simple
is always very difficult
varies in difficulty between systems
requires extensive tools to be understandable
None of the above
Q.29
The Memory Address 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.30
In virtual memory systems, Dynamic address translation
is the hardware necessary to implement paging
stores pages at a specific location on disk
is useless when swapping is used
is part of the operating system paging algorithm
None of the above
Q.31
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.32
A non-relocatable program is one which
can not 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.33
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.34
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
a permanent table which lists all key words and special symbols of the language in symbolic form.
None of the above
Q.35
Thrashing can be avoided if
the pages, belonging to the working set of the programs, are in main memory
the speed of CPU is increased
the speed of I/O processor is increased
all of the above
None of the above
Q.36
In analyzing the compilation of PL/I program, the term "Lexical 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.37
Resolution of externally defined symbols is performed by
Linker
Loader
Compiler
Assembler
None of the above
Q.38
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.39
Which of the following are loaded into main memory when the computer is booted?
internal command instructions
external command instructions
utility programs
word processing instructions
None of the above
Q.40
The FIFO algorithm
executes first the job that last entered the queue
executes first the job that first entered the queue
execute first the job that has been in the queue the longest
executes first the job with the least processor needs
None of the above
Q.41
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.42
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.43
The principle of locality of reference justifies the use of
reenterable
non reusable
virtual memory
cache memory
None of the above
Q.44
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
sorting
index
indirect
None of the above
Q.45
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.46
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
None of the above
Q.47
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.48
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.49
Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart?
S = B - C
IS A<10
PRINT A
DATA X,4Z
None of the above
Q.50
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
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