DNS is the abbreviation of


Options:  Dynamic Name System B.  Dynamic Network System C.  Domain Name System D.  Domain Network Service

Ans:– C ,


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More Computer Networks Related questions:


What keystroke will terminate setup mode?
Options: Ctrl+Z,    Ctrl+^,    Ctrl+C,    Ctrl+Shift+^

Ans:C ,C


The data model that is produced from reverse engineering is:
Options: a conceptual model.,    an internal model.,    a logical model.,    None of the above is correct.

Ans:D ,D


A translator is best described as
Options: an application software,    a system software,    a hardware component,    all of the above

Ans:B ,B


Analog and digital controllers:
Options: cost the same to build,    accept the same input signals,    can be changed with equal case,    All of the above

Ans:E ,E


In a synchronous modem, the digital-to-analog converter transmits signal to the
Options: equalizer,    modulator,    demodulator,    terminal

Ans:A ,A


. In Computer Architecture a Bus is _________
Options: a collection of various software B. a collection of various computers C. a collection of shared communication wires D. a collection of chairs where the user sits

Ans:– C ,


An audio transformer has a turn ratio of 9, What is its impedance ratio?
Options: 81,    85,    6,    9

Ans:A ,A


3. The primary purpose of an operating system is…..
Options: a. To make the most efficient use of the computer hardware b. To allow people to use the computer c. To keep systems programmers employed d. To make computers easier to use

Ans:Correct Answer: a,Correct Answer: a


Most of the time, modification anomalies are serious enough that tables should be normalized into:
Options: 1NF.,    2NF.,    3NF.,    BCNF.

Ans:D ,D


The COPY command of MS-DOS, is used to:
Options: copying files from one floppy disk to another floppy disk,    copying one or more files on the same disk or directory,    copying two or more files into a single file,    All of the above

Ans:D ,D


. Which command is used to undelete a bunch of files withextension .doc that you have just deleted?
Options: a. Undelete b. Undelete/all c. Undelete *.doc d. All of above

Ans:- c,- c


The person communicating with the manager to identify information needs is the
Options: executive vice-president,    vice- president of information system,    programmer,    system analyst

Ans:D ,D


Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?
Options: COM,    BAT,    EXE,    SYS

Ans:B ,B


In notes master view, how do you modify the font size of text for all hte4 notes of a presentation?
Options: a. Modify the slide design b. Modify the notes master layout c. Modify the text within the body placeholder d. All of the above

Ans: – C , – C


Which of the following locks the item from change but not from read?
Options: Implicit lock,    Explicit lock,    Exclusive lock,    Shared lock

Ans:D ,D


.   Which of the following can you use to add times to the slides in a presentation
Options: a. Slice Show menu b. Rehearse timing button c. Slide transition button d. All of the above

Ans:6 – B ,6 – B


. A small part of taskbar that has icons of background running applications is
Options: a. Start button b. Quick launch c. Task bar d. System tray

Ans: d, d


When of the following produces the best quality graphics reproduction?
Options: Dot metric printers,    Ink jet printers,    Laser printers,    Plotters

Ans:D ,D


What is the number of bits needed for an address in a 4 K memory?
Options: 16,    8,    12,    4

Ans:C ,C


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?
Options: ascending,    sorting,    index,    indirect

Ans:C ,C


Point out the correct statement will let you access the elements of the array using 'p' in the following program? #include<stdio.h> #include<stdlib.h> int main() { int i, j; int(*p)[3]; p = (int(*)[3])malloc(3*sizeof(*p)); return 0; }
Options: for(i=0; i<3; i++) { for(j=0; j<3; j++) printf("%d", p[i+j]); } ,    for(i=0; i<3; i++) printf("%d", p[i]); ,    for(i=0; i<3; i++) { for(j=0; j<3; j++) printf("%d", p[i][j]); } ,    for(j=0; j<3; j++) printf("%d", p[i][j]);

Ans:C ,C


Which SQL phrase is not supported by Oracle?
Options: ON DELETE CASCADE,    ON UPDATE CASCADE,    CREATE SEQUENCE [SequenceName],    DROP SEQUENCE [SequenceName]

Ans:B ,B


It is a sign or symbol that specifies, operator, and values that produce a result
Options: a. operator b. query c. expression d. None of the above

Ans:ndash; a,ndash; a


. Which of the following views displays the field name, description, and properties of a table?
Options: a. Datasheet View b. Design View c. Layout View d. Table View

Ans:4 – b ,4 – b


How many bytes of memory will the following code reserve? #include<stdio.h> #include<stdlib.h> int main() { int *p; p = (int *)malloc(256 * 256); if(p == NULL) printf("Allocation failed"); return 0; }
Options: 65536,    Allocation failed,    Error,    No output

Ans:B ,B


Data encryption techniques are particularly useful for
Options: reducing storage space requirements,    improving data integrity,    protecting data in data communication systems,    All of the above

Ans:C ,C


Which of the following statements best describes the batch method of input?
Options: Data is processed as soon as it is input,    Data is input at the time it is collected,    Data is collected in the form of source documents, placed into groups, and then input to the computer,    Source documents aren't used

Ans:C ,C


In which year were chips used inside the computer for the first time?
Options: 1964,    1975,    1977,    1981

Ans:B ,B


A stepping motor;
Options: has a speed proportional to voltage input,    has a commutator,    is a good choice where continuous rotation is needed,    can index positional movement.

Ans:D ,D


A prewritten program that's sold to perform a common task is called an application
Options: System software,    Package,    Utilities,    Program

Ans:B ,B


Slide show options available to the presenter include all of the following except
Options: a. Transitions command b. Speaker notes command c. Meeting reminder command d. Navigation commands

Ans: – A , – A


Software in computer
Options: A) Enhances the capabilities of the hardware machine B) Increase the speed of central processing unit C) Both of above D) None of above

Ans:-A,-A


What is the use of Notes in slides?
Options: It will be displays at the time of Slide Presentation B. This is just Note about the slide       C. This is just for printing purpose only D. Notes cannot be inserted in Slides

Ans:– B ,


SQL data definition commands make up a(n) ________ .
Options: DDL,    DML,    HTML,    XML

Ans:A ,A


One solution to the multivalued dependency constraint problem is to:
Options: split the relation into two relations, each with a single theme.,    change the theme.,    create a new theme.,    add a composite key.

Ans:A ,A


. A disadvantage to a ____file is that there is no easy way to tell which fields are numbers, text, dates, or currency.
Options: a. standardized b. fixed c. delimited d. text

Ans:8 – d ,8 – d


. How to convert table to text in Word 2010?
Options: View ribbon – Show – Convert button B. Layout ribbon – Data group – Convert button C. Insert ribbon – Table group – Convert button D. Page Layout ribbon – Arrange – Convert button

Ans:– B ,


. When using the MLA style, position explanatory notes either at the _____.
Options: a. top of the page as head notes or at the end of the paper as endnotes b. bottom of the page as footnotes or at the end of the paper as endnotes c. top of the page as head notes or at the beginning of the paper as front notes d. bottom of the page as footnotes or at the beginning of the paper as front notes

Ans: – B , – B


. If you select Insert >> Picture >> From File
Options: a.  You can insert pictures and clipArts b.  You can insert clipArts only c.  You can insert pictures only d.  None of above

Ans:6 – C ,6 – C


. If particular workbook have to open each time Excel started, where that workbook should be placed?
Options: AUTOEXEC Folder B. AUTOSTART Folder C. EXCELSTART Folder D. XLSTART Folder

Ans:– D ,


The___ operator will cause a record to be selected only if two or more conditions are satisfied
Options: a. Or b. If or c. Range d. And

Ans:ndash; d,ndash; d


Accessing records from a file directly without searching from the beginning of the file is
Options: Time sharing,    Random,    Direct access,    Access time

Ans:C ,C


The ALU of a computer responds to the commands coming from
Options: primary memory,    control section,    external memory,    cache memory

Ans:B ,B


What is a form in MS Access
Options: a. It is a printed page where users will write their data to fill it up b. It is an input screen designed to make the viewing and entering data easier c. This is an important part of database used by analysts to draw conclusions d. All of above

Ans:ndash; b,ndash; b


A command that lets you change one or more fields in a record is
Options: a. insert b. modify c. lookup d. none of above 

Ans:.b,.b


A storage device which is used to store data & information external to the main storage is known as
Options: Buffer,    Backing storage,    PROM,    Accumulator

Ans:B ,B


. Which of the following class of computers can process physical quantities such as speed?
Options: A) Analog Computers B) Digital Computers C) Hybrid Computers D) None of above

Ans:A,A


Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
Options: 3, 3, 1, 7,    3, 2, 1, none,    3, 2, 1, 7,    3, 3, 2, none

Ans:B ,B


What command is used to copy a file?
Options: tar,    cpio,    cp,    copy

Ans:C ,C


List Box and Text box
Options: a. are some other than that in a list box the bullets are enabled b. are different. List boxes are used to present lists and can’t be created with text boxes. c. Both of above d. None of above

Ans: – A , – A

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