Which of the following is correct in CIDR?


Options: Class A includes Class B network B. There are only two networks C. There are high & low class network D. There is no concept of class A, B, C networks

Ans:– D ,






More Computer Networks Related questions:


A characteristic of card systems is:
Options: slowness in processing data,    using cards as records of transactions,    needing a larger DP staff,    all the above

Ans:D,D


Which application allows a user to access and change remote files without actual transfer?
Options: TELNET,    NFS,    FTP,    DNS

Ans:B ,B


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

Ans:B,B


. Which of the following computer implemented binary numbers, perform calculations using electronics and implemented separate computation and memory for the first time?
Options: A) Mark I B) ABC C) Z3 D) None of above

Ans:B,B


. To center worksheet titles across a range of cell, you must
Options: a. Select the cells containing the title text and use the fill handle to center the text across a range of cells b. Select the cells containing the title text and click on Center button c. Select the cells in range containing the title text and use the Merge and Center tool d. Widen the column

Ans:– c,– c


Which header file should be included to use functions like malloc() and calloc()?
Options: memory.h,    stdlib.h,    string.h,    dos.h

Ans:B ,B


Which statement(s) about IPv6 addresses are true? Leading zeros are required. Two colons (::) are used to represent successive hexadecimal fields of zeros. Two colons (::) are used to separate fields. A single interface will have multiple IPv6 addresses of different types.
Options: 1 and 3,    2 and 4,    1, 3 and 4,    All of the above

Ans:B ,B


The word 'linear' in linear programming is used to describe:
Options: relationship among two or more variables in a straight line,    relationship among two or more variable which are directly proportional,    relationship among two or more variables is linear,    all of the above

Ans:B ,B


The size of a field with Number data type can not be
Options: a. 2 b. 4 c. 8 d. 16

Ans:ndash; d,ndash; d


Which enables us to send the same letter to different persons?
Options: A. macros B. template C. mail merge D. none

Ans:C,mail merge


An open rectangle
Options: defines a source or destination of system data,    identifies data flow,    represents a process that transforms incoming data flow(s) into outgoing data flows,    is a data store-data at rest, or a temporary repository of data

Ans:D ,D


The set of. instructions for how to tie a bow is an example of the _____Structure.
Options: Control,    Repetition,    Selection,    Sequence

Ans:D ,D


You are working on a router that has established privilege levels that restrict access to certain functions. You discover that you are not able to execute the command show running-configuration. How can you view and confirm the access lists that have been applied to the Ethernet 0 interface on your router?
Options: show access-lists,    show interface Ethernet 0,    show ip access-lists,    show ip interface Ethernet 0

Ans:D ,D


Which of the following conditions is used to transmit two packets over a medium at the same time?
Options: Contention,    Collision,    Synchronous,    Asynchronous

Ans:B ,B


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


The first generation of computers available was based on the bit micro processors.
Options: 4,    8,    16,    64

Ans:B,(Banswer


Which of the following is Relation-algebra Operation
Options: Select B. Union C. Rename D. All of the above

Ans:– D ,


Which of the following types of databases are the most common?
Options: Personal,    Workgroup,    Department,    Enterprise

Ans:C ,C


A logical schema
Options: is the entire database,    is a standard way of organizing information into accessible parts,    describes how data is actually stored on disk,    All of the above

Ans:B ,B


52. Ctrl + B
Options: a. Search the selected text b. Paste the selected text c. Bold the selected text d. Open the specified file

Ans:–  C ,–  C


Which fields are contained within an IEEE Ethernet frame header? Source and destination MAC address Source and destination network address Source and destination MAC address and source and destination network address FCS field
Options: 1 and 4,    2 only,    2 and 3 only,    3 only

Ans:A ,A


What will be the output of the program? #include<stdio.h> int main() { int X=40; { int X=20; printf("%d ", X); } printf("%d\n", X); return 0; }
Options: 40 40,    20 40,    20,    Error

Ans:B ,B


. In MS Access “Lookup Wizard” is used to
Options: a. to select from previous values b. to select values from Excel Sheet c. to select value from another table d. Not a valid Data Type

Ans:– c,– c


. You can add an image to a template by clicking the Insert Picture From File button on the …. Toolbar.
Options: a. Standard b. Formatting c. Drawing d. Picture

Ans:– d,– d


In a rule-based system, procedural domain knowledge is in the form of:
Options: production rules,    rule interpreters,    meta-rules,    control rules

Ans:A ,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 _____ is an outline of a process that keeps develop successful information systems
Options: System Development Life Cycle,    CASE tool,    Phased Conversion,    Success Factors

Ans:A ,A


A hybrid computer
Options: A) Resembles digital computer B) Resembles analogue computer C) Resembles both a digital and analogue computer D) None of the above

Ans:-C,-C


. Which of the following is invalid statement?
Options: a. Sheet tabs can be colored b. Some picture can be applied as a background of a sheet c. You can set the column width automatically fit the amount of text d. The width of a row and be specified manually or fit automatically

Ans:– d,– d


The command chmod 761 note is equivalent to
Options: chmod 167 note,    chmod u=rwx, g=rw, o=x note,    chmo a =761 note,    chmod 4=7, g=6,0 =1 note

Ans:B ,B


The time lag, between the keying of the last character on the keyboard input and the appearance of the first output character on the screen, is known as
Options: Key,    System review,    response time,    batch Processing

Ans:C ,C


The term "memory" applies to which one of the following
Options: Logic,    Storage,    Control,    Input device

Ans:B ,B


Which of the following commands can be used to get information about all users who are currently logged into the system?
Options: which,    who,    who am i,    1 /u

Ans:B ,B


Which of the following is a correct order of precedence in formula calculation?
Options: a. Multiplication and division exponentiation positive and negative values b. Multiplication and division, positive and negative values addition and subtraction c. Addition and subtraction positive and negative values exponentiation d. All of above

Ans:D,All of above


. While starting Window XP/7 extra booting options can be shown by pressing
Options: F1 B. F8 C. F9 D. F12

Ans:– B ,


The arranging of data in a logical sequence is called:
Options: sorting,    classifying,    reproducing,    summarizing

Ans:A ,A


. what term describes a background that appears as a grainy, non smooth surface
Options: a. gradient b. pattern c. solid d. texture

Ans:– a,– a


Which would you choose to display the statistics about a document?
Options: tools, word count B. insert, statistics C. tools, spelling and grammar D. tools, statistics

Ans:– A ,


End-to-end connectivity is provided from host-to-host in:
Options: Network layer,    Session layer,    Data link layer,    Transport layer

Ans:D ,D


Where as a computer mouse moves over the table surface, the trackball is
Options: A) Stationary B) Difficult to move C) Dragged D) Moved in small steps

Ans:-A,-A


What does that acronym EGA stand for?
Options: Enhanced Graphics Array,    Extended Graphics Array,    Monochrome Graphics Adapter,    Enhanced Graphics Adapter

Ans:A ,A


. Which of the following is default location of saving and opening file?
Options: a. Desktop b. My computer c. My documents d. All of above

Ans:6 – c ,6 – c


First-in-First-Out (FIFO) scheduling is
Options:  Non Preemptive Scheduling B.  Preemptive Scheduling C.  Fair Share Scheduling D.  Deadline Scheduling

Ans:– A ,


    Which command lists the contents of current directory of a disk
Options: a.    Copy b.    Tree c.    Cd d.    Dir

Ans:D,Correct Answer: Dir


Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?
Options: one bit or any odd number of bits inverted in a block of data during transmission,    two bits or any even number of bits inverted in a block during transmission,    one bit or any odd number of bits inverted in a byte during transmission,    two bits or any even number of bits inverted in a byte during transmission

Ans:D ,D


Cursor is a ____
Options: Pixel B. Thin blinking line C. Pointing device D. None of these

Ans:– B ,


Who has developed the Linux?
Options: Bob Young,    Mark Eving,    Richard Stallman,    Linus Torvalds

Ans:D ,D


.   What is the term used to described the separation of a clip art object into different parts so that it becomes a PowerPoint object?
Options: a. Embedding b. Regrouping c. Ungrouping d. Grouping

Ans:7 – C ,7 – C


The computer code for the interchange of information between terminals is
Options: ASCII,    BCD,    EBCDIC,    All of the above

Ans:A ,A


Which of the following languages is more suited to a structured program?
Options: PL/1,    FORTRAN,    BASIC,    PASCAL

Ans:D,(Danswer

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