What is the size of MAC Address?


Options: 16-bits B. 32-bits C. 48-bits D. 64-bits

Ans:– C ,


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More Computer Networks Related questions:


What programming language(s) or scripting language(s) does Java Server Pages (JSP) support?
Options: VBScript only,    Jscript only,    Java only,    All of the above are supported

Ans:C ,C


How many JDBC driver types does Sun define?
Options: One,    Two,    Three,    Four

Ans:D ,D


Relay ladder logic is used in a PC because:
Options: it is impossible to write a control program for a machine in any other logic,    it is the best industrial control language ever developed.,    most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use,    All of the above

Ans:C ,C


What command is used to remove files?
Options: dm,    rm,    delete,    erase

Ans:B ,B


. Pick the one that is used for logical operations or comparisons such as less than equal to or greater than.
Options: A) Arithmetic and Logic Unit B) Control Unit C) Both of above D) None of above

Ans:A,A


In LISP, which of the following function assigns the value 10 to the symbol a?
Options: (setq a 10),    (a = b) where b = 10,    (a = 10) (d) (setq 10 a),    None of the above

Ans:A ,A


The physical components of a computer system is
Options: Human ware,    Firm ware,    Hardware,    Software

Ans:C ,C


5. Which of the following statements in regard to directories is false?
Options: a. Directories can exist inside directories b. The root directory is always at the highest level c. Directories with files can be deleted d. Directories cannot be renamed

Ans:Correct Answer: d,Correct Answer: d


Many organisations have developed MIS _____ plans.
Options: master,    decision,    plan,    control

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


The difference between memory and storages is that memory is _____ and storage is _____
Options: Temporary, permanent,    Permanent, temporary,    Slow, fast,    AH of the above

Ans:A ,A


Which of the following is not one of the qualitative characteristics that information must have?
Options: relevance,    retrievability,    timeliness,    accuracy

Ans:E ,E


What causes the depletion layer?
Options: Doping,    Recombination,    Barrier potential,    Ions

Ans:C ,C


You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?
Options: SMTP,    SNMP,    DHCP,    ARP

Ans:C ,C


Memory unit is one part of
Options: Input device B. Control unit C. Output device D. Central Processing Unit

Ans:– D ,


Point out the error in the program? struct emp { int ecode; struct emp *e; };
Options: Error: in structure declaration,    Linker Error,    No Error,    None of above

Ans:C ,C


Which of the following allows a simple email service and is responsible for moving messages from one mail server to another?
Options: IMAP,    DHCP,    SMTP,    FTP

Ans:C ,C


In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off?
Options: Character map terminal,    Bit map terminal,    RS-232 C terminal,    All of the above

Ans:B ,B


Which of the following tools is not used for process descriptions?
Options: pseudocodes,    decision tables,    structured english,    data dictionaries

Ans:D ,D


The default and maximum size of text field in Access
Options: a. 50 and 255 Characters b. 8 and 1 GB c. 266 characters & 64000 characters d. None of above

Ans:ndash; a,ndash; a


. What should be the first step while OS upgrading?
Options: a. Delete old Operating System b. Backup old Operating System c. Backup Critical Data d. Format Hard Disks

Ans:1 – c ,1 – c


A characteristic of a distributed MIS structure is:
Options: computers supporting local DP operations,    a multiprocessing environment,    integrative sharing of the workload,    All of the above

Ans:C ,C


A single packet on a data link is known as
Options: Path,    Frame,    Block,    Group

Ans:B,(Banswer


The examination and changing of single bits or small groups of his within a word is called
Options: Bit,    Byte,    Bit manipulation,    Bit slice

Ans:C ,C


Suppose that you have a customer who has a central HQ and six branch offices. They anticipate adding six more branches in the near future. They wish to implement a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. Which of the following would you recommend?
Options: PPP,    HDLC,    Frame Relay,    ISDN

Ans:C ,C


A page fault
Options: 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

Ans:C ,C


The LRU algorithm
Options: pages out pages that have been used recently,    pages out pages that have not been used recently,    pages out pages that have been least used recently,    pages out the first page in a given area

Ans:C ,C


. Which file is transferred when computer is start up?
Options: a. Document b. Program files c. Operating system d. System files

Ans:8 – d ,8 – d


. Which of the following items are examples of storage devices?
Options: A) Floppy / hard disks B) CD-ROMs C) Tape devices D) All of the above

Ans:D,D


Which of the following button will allow you to add, delete, or change records in your Data Source?
Options:  A) ‘Data Source’ button, B) ‘Edit’ button, C) ‘Edit Data Source’ button, D) ‘Data editing’ button,

Ans:-C,-C


Which computer has been designed to be as compact as possible?
Options: Mini,    Super computer,    Micro computer,    Mainframe

Ans:C,(Canswer


. Which of the following is extension of notepad?
Options: a. .txt b. .bmp c. .ppt d. .xls

Ans:9 – a ,9 – a


If you will be displaying or printing your document on another computer, you’ll want to make sure and select the _____________ option under the ‘Save’ tab.
Options: a. Embed Fonts b. Embed True Type Fonts c. Save True Type Fonts d. Save Fonts

Ans:– B,– B


Which of the following statements concerning business rules is true?
Options: It should be complex.,    It should not be convertible to computer code.,    It may include restrictions.,    All of the above.

Ans:C ,C


What will be the output of the program in 16 bit platform (Turbo C under DOS) ? #include<stdio.h> int main() { struct value { int bit1:1; int bit3:4; int bit4:4; }bit; printf("%d\n", sizeof(bit)); return 0; }
Options: 1,    2,    4,    9

Ans:B ,B


. Which operating system uses short file names?
Options: a. Windows b. Unix c. DOS d. All of above

Ans:4 – c ,4 – c


The FIFO algorithm
Options: 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

Ans:B ,B


A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
Options: A) Memory B) Buffer C) Accumulator D) Address

Ans:-B,-B


. The__ button on the tool box display data from a related table
Options: a. Sub form sub report b. Relationships c. Select objects d. More controls

Ans:3 – a ,3 – 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


One henry of inductance is defined as:
Options: the amount of counter emf required to reduce a current to 1 A,    the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second,    the amount of inductance required to change the frequency of a current by 1 Hz,    the number of turns of wire in an inductor multiplied by the amount of current flowing through it

Ans:B ,B


Bringing a page into memory only when it is needed, this mechanism is called
Options:  Deadlock B.  Page Fault C.  Dormant Paging D.  Demand Paging

Ans:– 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:2 – A ,2 – A


What do you need to check serial and parallel port?
Options: Port adapter,    Logic probe,    Loopback plug,    All of the above

Ans:C ,C


A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
Options: Touch panel,    Mouse,    Wand,    Writing tablet

Ans:D ,D


. To protect a worksheet, you can choose Protection and the Protect Sheet from the ….. menu
Options: a. Edit b. Format c. Tools d. Data

Ans:– c,– c


. Which of the following queries prompts users for input data by displaying dialog boxes?
Options: a. Append b. Delete c. Parameter d. Update

Ans:2 – c ,2 – c


What is (void*)0?
Options: Representation of NULL pointer,    Representation of void pointer,    Error,    None of above

Ans:A ,A


. The ….is a temporary storage area in memory where you can attach text or graphics information
Options: a. Clipboard b. Copyboard c. Both a and b d. None of above

Ans:3 – a ,3 – a


Resistance is measured in ohm.
Options: True,    False,    ,    

Ans:A ,A

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