DNS is the abbreviation of


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

Ans:– C ,






More Computer Networks Related questions:


Which of the following is true of parallel transmission?
Options: It involves the simultaneous transmission of eight bits.,    The speed is quoted in bits per second.,    It is slower than serial trans¬mission.,    Most microcomputers commu¬nicate with other computers in this mode.

Ans:A ,A


Point out the error in the following program. #include<stdio.h> #include<stdlib.h> int main() { static char *p = (char *)malloc(10); return 0; }
Options: Error: Lvalue required,    Error: Rvalue required,    Error: invalid *p declaration,    No error

Ans:D ,D


What command is used with vi editor to delete a single character?
Options: x,    y,    a,    z

Ans:A ,A


Which command is used to display a file contents in octal form?
Options: cd,    od,    of,    oct

Ans:B ,B


. To move to the beginning of a line of text, press the __________ key.
Options: a. a b. pageup c. enter d. home

Ans:9 – d ,9 – d


The operator used to get value at address stored in a pointer variable is
Options: *,    &,    &&,    ||

Ans:A ,A


Input/output function prototypes and macros are defined in which header file?
Options: conio.h,    stdlib.h,    stdio.h,    dos.h

Ans:C ,C


A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a
Options: First come first served,    Shortest Seek Time First (SSTE),    Scan,    FIFO

Ans:C ,C


Ultimately, internal constraints can be traced to limits on
Options: manpower,    money,    machines,    material

Ans:B ,B


DARPA, the agency that has funded a great deal of American AI research, is part of the Department of:
Options: Defense,    Energy,,    Education,    Justice

Ans:A ,A


Who proposed the relational model?
Options: Bill Gates B. E.F. Codd C. Herman Hollerith D. Charles Babbage

Ans:– B ,


Which of the following occurs when a transaction rereads data and finds new rows that were inserted by a command transaction since the prior read?
Options: Nonrepeatable read,    Phantom read,    Dirty read,    Consistent read

Ans:B ,B


Output hardware is often categorized according to whether it:
Options: is expensive,    requires a large amount of electricity to work,    produces hardcopy or softcopy,    can fit on a desktop

Ans:C ,C


. How do you rearrange the data in ascending or descending order?
Options: a. Data, Sort b. Data, Form c. Data, Table d. Data Subtotals

Ans:– a,– a


Data division is the third division of a _____ program.
Options: COBOL,    BASIC,    PASCAL,    FORTH

Ans:A ,A


Which of the following set options is used with vi editor to ignore case while searching for patterns?
Options: ic,    ai,    sm,    ts

Ans:A ,A


. Small pictures appear on the desktop
Options: a. Windows b. Icon c. Button d. None of above

Ans:4 – b ,4 – b


What will be the output of the program? #include<stdio.h> int main() { struct s1 { char *z; int i; struct s1 *p; }; static struct s1 a[] = {{"Nagpur", 1, a+1} , {"Chennai", 2, a+2} , {"Bangalore", 3, a} }; struct s1 *ptr = a; printf("%s,", ++(ptr->z)); printf(" %s,", a[(++ptr)->i].z); printf(" %s", a[--(ptr->p->i)].z); return 0; }
Options: Nagpur, Chennai, Bangalore,    agpur, hennai, angalore,    agpur, Chennai, angalore,    agpur, Bangalore, Bangalore

Ans:D ,D


A file produced by a spreadsheet
Options: is generally stored on disk in an ASCII text format,    can be used as it by the DBMS,    can be used for graphic,    All of the above

Ans:A ,A


Presentation designs regulate the formatting and layout for the slide and are commonly called
Options: a. Design plates b. Templates c. Placeholders d. Blueprints

Ans: – B , – B


A computer vision technique that relies on image templates is:
Options: edge detection,    binocular vision,    model-based vision,    robot vision

Ans:C ,C


Which of the following position is not available for fonts on MS Word?
Options:  A) Normal, B) Raised, C) Lowered, D) Centered, 

Ans:-D,-D


Which of the following typically uses a keyboard for input?
Options: desktop terminal,    point-of-sale terminal,    financial transaction terminal,    executive workstation

Ans:E ,E


. The short cut key Ctrl + R is used in Excel to
Options: a.  Right align the content of cell b.  Remove the cell contents of selected cells c.  Fill the selection with active cells to the right d.  None of above

Ans:– c,– c


Reverse video is a technique of
Options: showing data with half brightness,    showing data upside down on the screen,    hiding confidential data on the screen,    emphasizing data by reversing the foreground and background

Ans:D ,D


0. To “Debug” the System means ________
Options: Find the Correct Software B. Find the Correct Hardware C. Find and Install correct System D. Find and Correct Errors on System

Ans: – D ,


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

Ans:B ,B


Which of the following, is a component of an expert system?
Options: inference engine,    knowledge base,    user interface,    All of the above

Ans:D ,D


The hardware in which data may be stored for a computer system is called
Options: Registers,    Bus,    Control unit,    Memory

Ans:D ,D


Which command is used to create a directory?
Options: crdir,    md,    mkdir,    cr

Ans:C ,C


. To create queries in access
Options: a. You can drag and drop fields on query builders b. You can type the sql command in sql view c. You can use query wizard or design view d. All of above

Ans:5 – d ,5 – d


. To add a Header/Footer in Handout
Options: a. View -> Page Setup b. View -> Header/Footer c. View -> Handout Master d. None of Above

Ans:4 – C ,4 – C


Most of the microcomputer's operating systems like Apple DOS, MS DOS and PC DOS etc. are called disk operating systems because
Options: they are memory resident,    they are initially stored on disk,    they are available on magnetic tapes,    they are partly in primary memory and partly on disk

Ans:B ,B


. Ctrl + F
Options: a. Open Find and Replace Dialog box with activating Find Tab b. Open Page Setup Dialog box with activating Layout Tab c. Open Font Dialog Box with activating Font tab d. Open File Save as Dialog box

Ans:–  A,–  A


A rectangle represents which of the following in an EER?
Options: Attribute,    Entity,    Optional One,    Relationship

Ans:B ,B


When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?
Options: The Frame Relay encapsulation on the physical interface,    The local DLCI on each subinterface,    An IP address on the physical interface,    The subinterface type as point-to-point

Ans:C ,C


Holes act like:
Options: Atoms,    Crystals,    Negative charges,    Positive charges

Ans:D ,D


A loadstone is:
Options: a natural magnet,    a temporary magnet,    an artificial magnet,    a paramagnetic alloy

Ans:A ,A


The first step of the implementation phase is
Options: select the computer,    announce the implementation project,    implementation planning,    prepare physical facilities

Ans:C ,C


13. While working with MS-DOS, which command is used to more file from one directory to another?
Options: a. Rename b. Copy c. Move d. Cp

Ans:Correct Answer: c,Correct Answer: c


The major function of the language system is:
Options: to perform various processing tasks,    to provide artificial-intelligence capabilities to the DSS,    to provide data to the DSS,    to enable the users to interact with the DSS

Ans:D ,D


The load and index is which of the following?
Options: A process to reject data from the data warehouse and to create the necessary indexes,    A process to load the data in the data warehouse and to create the necessary indexes,    A process to upgrade the quality of data after it is moved into a data warehouse,    A process to upgrade the quality of data before it is moved into a data warehouse

Ans:B ,B


Which of the following is a machine language instruction?
Options: ADD 5,    10001101,    GOTO XOUT,    All of the above

Ans:B ,B


How many pairs of stations can simultaneously communicate on Ethernet LAN?
Options: 1,    2,    3,    multiple

Ans:A ,A


. Which of the following methods can not be used to enter data in a cell?
Options: a. Pressing an arrow key b. Pressing the tab key c. Pressing the Esc key d. Clicking the enter button to the formula bar

Ans:– c,– c


. Concatenation of text can be done using
Options: a. Apostrophe (‘) b. Exclamation (!) c. Hash (#) d. Ampersand (&)

Ans:– d,– d


. After choosing a predefined template, which option has to be chosen to change the background color?
Options: a. Design Template b. Color Scheme c. Animation Scheme d. Color Effects

Ans:4 – B ,4 – B


What is the maximum number of lines you can set for lines to drop box?
Options:  A) 3, B) 5, C) 10, D) 15, 

Ans:-C,-C


The area of computer science which is concerned with the display of pictures is
Options: Networks,    Graphics,    Designing,    Architecture

Ans:B ,B


. Ctrl + R
Options: Re-Open the last closed document B. Re-Print the last printed page C. Re-Apply the last paragraph formatting D. Right align the selected Paragraph

Ans:– D ,

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