What is Thrashing?


Options: A high paging activity is called thrashing. B. A high executing activity is called thrashing C. A extremely long process is called thrashing D. A extremely long virtual memory is called thrashing

Ans:– A ,






More Operating System Related questions:


20. Which command is used to display a list of deleted files that DOS can undelete?
Options: a. Undelete *.* b. Undelete/all c. Undelete/list d. None of the above

Ans:Correct Answer: c ,Correct Answer: c


Which of the following commands allows you to make a directory?
Options: MAKE,    DIR,    MD,    DD

Ans:C ,C


. If 4/6 entered in a cell without applying any formats, Excel will treat this as
Options: a. Fraction b. Number c. Text d. Date

Ans:– d,– d


.   The arrangement of elements such as Title and Subtitle text, pictures, tables etis called
Options: a. Layout b. Presentation c. Design d. Scheme

Ans:0 – A ,0 – A


In computer based information system (CBIS), DFD stands for:
Options: data flow diagram,    data flow descent,    dotted flow diagram,    such a terminology does not exist in CBIS

Ans:A ,A


Which of the following terms could be used to describe the concurrent processing of computer programs, via CRTs, on one computer system?
Options: Time-sharing,    Online processing,    Interactive processing,    All the above processing

Ans:D ,D


In an Entity-Relationship Diagram Rectangles represents
Options: Entity sets B. Attributes C. Database D. Tables

Ans:– A ,


Which command is used to list out all the hidden files along with the other files?
Options: ls -l,    ls -x,    ls -F,    ls -a

Ans:D ,D


. You have a Command button in the Form Footer, you click the Tabular Control Layout; an attached label will be added in what section?
Options: a. Detail b. Form Footer c. Form Header d. Page Header

Ans:4 – c ,4 – c


Which of the following will happen when data is entered into a memory location?
Options: It will add to the content of the location,    It will change the address of the memory location,    It will erase the previous content,    It will not be fruitful if thjere is already some data at that location

Ans:C ,C


. This type of software is similar to an accountant’s worksheet
Options: a. Word processing b. Database c. Spreadsheets d. Graphics

Ans:– c,– c


In Excel, the Fill Color button on the Formatting toolbar is used for what?
Options: To insert a background. B. To add borders. C. To select a distribution of figures. D. To add shading or color to a cell range.

Ans:– D ,


The application layer of a network
Options: establishes, maintains, and terminates virtual circuits,    defines the user's port into the network,    consists of software being run on the computer connected to the network,    All of the above

Ans:C ,C


Which command is used to move all files to the bin sub-directory of the parent directory?
Options: mv *.* /bin/,    mv * /bin/*,    mv * ../bin,    mv * ../bin *.*

Ans:C ,C


98. What is the shortcut key to “Insert Hyperlink” in a document?
Options: a. Ctrl + H b. Ctrl + L c. Ctrl + K d. None of above

Ans:–  C ,–  C


Why is the width of the data bus so important to the processing speed of a computer?
Options: The narrower it is, the greater the computer's processing speed,    The wider it is, the more data that can fit into main memory,    The wider it is, the greater the computer's processing speed,    The wider it is, the slower the computer's processing speed

Ans:C ,C


. The ______ is a wild card that represents one or more characters.
Options: a. question mark b. asterisk c. exclamation mark d. dollar sign

Ans:4 – b ,4 – b


. An operating system version designed for use with a media center PC is Microsoft Windows XP
Options: a. Home edition b. Media center edition c. Tablet PC edition d. None of above

Ans: b, b


The digital multimeter is set for DC, Ohm and 20k. You will read _____ while measuring a good 2 amp fuse.
Options: 0.00,    0.02,    0.20,    2.00

Ans:A ,A


. After copying the content how many times can you paste?
Options: A) 1 B) 16 C) 32 D) Many

Ans:4-D,4-D


.   What is the term used when you press and hold the left mouse key and move the mouse around the slide?
Options: a. Highlighting b. Dragging c. Selecting d. b and c

Ans:3 – D ,3 – D


In which header file is the NULL macro defined?
Options: stdio.h,    stddef.h,    stdio.h and stddef.h,    math.h

Ans:C ,C


The explanation facility of an expert system may be used to:
Options: construct a diagnostic model,    expedite the debugging process,    explain the system's reasoning process,    All of the above

Ans:E ,E


What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?
Options: POP3,    FTP,    MAP,    All of the above

Ans:A ,A


. All of the following are TRUE regarding virtual memory EXCEPT
Options: a. Any amount of RAM can be allocated to virtual memory b. The setting for the amount of hard disk drive space to allocate virtual memory canbe manually change c. This temporary storage is called the swap file or page file d. Virtual memory is the physical space o the hard drive

Ans: a, a


The most important advantage of a video disk is
Options: Compactness,    Potential capacity,    Durability,    Cost effectiveness

Ans:B,B


A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?
Options: 1.5 Mbaud/sec,    6 Mband/sec,    12 Mbaud/sec,    24 Mbaud/sec

Ans:C ,C


Research scientists all over the world are taking steps towards building computers with circuits patterned after the complex inter connections existing among the human brain's nerve cells. What name is given to such type of computers?
Options: Intelligent computers,    Supercomputers,    Neural network computers,    Smart computers

Ans:C ,C


. How to insert Section Break in Microsoft Word 2010?
Options: Insert ribbon – Pages group – Page Break button B. View ribbon – Document Views group – Breaks button C. References ribbon – Index group – Insert Index button D. Print Layout ribbon – Page Setup group – Breaks button

Ans:– D ,


CD-ROM is a
Options: Semiconductor memory,    Memory register,    Magnetic memory,    All of the above

Ans:E ,E


. Signals can be analog or digital and a computer that processes the both type of signals is known as
Options: A) Analog computer B) Digital Computer C) Hybrid Computer D) Mainframe Computer

Ans:C,C


. VGA is
Options: A) Video Graphics Array B) Visual Graphics Array C) Volatile Graphics Array D) Video Graphics Adapter

Ans:A,A


The tracks on a disk which can be accessed without repositioning the R/W heads is
Options: Surface,    Cylinder,    Cluster,    All of the above

Ans:B,(Banswer


The receive equalizer reduces delay distortions using a
Options: tapped delay lines,    gearshift,    descrambler,    difference engine

Ans:A ,A


Most continuous control actuators:
Options: are of the time proportioning type,    use a 4 to 20 mA current loop input,    are used with standard continuous control loop,    (b) and (c) above

Ans:D ,D


. According to the Leszynski Naming Conventions, which of the following is the prefix for a text box control?
Options: a. txt b. txb c. tbc d. tex

Ans:1 – a ,1 – a


Natural language processing is divided into the two subfields of:
Options: symbolic and numeric,    time and motion,    algorithmic and heuristic,    understanding and generation

Ans:D ,D


MODULA is a
Options: Programming language,    Low-level language,    Assembly language,    Machine language

Ans:A ,A


The 34-pin connection on an I/O card is for?
Options: Floppy drive,    SCSI drive,    IDE drive,    Zip drive

Ans:A ,A


What happens if you select first and second slide and then click on New Slide button on toolbar?
Options: a. A new slide is inserted as first slide in presentation b. A new slide is inserted as second slide in presentation c. A new slide is inserted as third slide in presentation d. None of above

Ans: – C , – C


What is the full form of RAID ?
Options: Redundant Array of Independent Disks B. Redundant Array of Important Disks C. Random Access of Independent Disks D. Random Access of Important Disks

Ans:– A ,


Which of the following device is used to connect two systems, especially if the systems use different protocols?
Options: hub,    bridge,    gateway,    repeater

Ans:C ,C


A system program that combines the separately compiled modules of a program into a form suitable for execution
Options: assembler,    linking loader,    cross compiler,    load and go

Ans:B ,B


A logic gate is an electronic circuit which
Options: makes logic decisions,    allows electron flow only in one direction,    works on binary algebra,    alternates between 0 and 1 values

Ans:A ,A


. Ctrl + L
Options: Left Align B. Left Indent         C. Increase Left Margin D. Decrease Left Margin

Ans:– A ,


What is your first action when windows reports that your hard drive is developing bad sectors?
Options: replace the hard drive,    run secclean from dos,    run defrag on the hard drive,    run scandisk with the "thorough" option

Ans:D ,D


The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
Options: D/A converter,    A/D converter,    Voice recognition,    Adapter

Ans:B ,B


. Which of the following is correct regarding Underline in MS-Word?
Options: Color of Underline can be change B. Style of Underline can be change C. Underline can be set using by shortcut key D. All of the above

Ans:– D ,


What is the Demilitarized Zone?
Options: The area between firewall & connection to an external network B. The area between ISP to Military area             C. The area surrounded by secured servers D. The area surrounded by the Military

Ans:– A ,


. “Ctrl + Right Arrow” is used to
Options: Moves the cursor one word right B. Moves the cursor end of the line C. Moves the cursor end of the document D. Moves the cursor one Paragraph down

Ans:– A ,

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