What is the size of Host bits in Class B of IP address?


Options: 04 B. 08 C. 16 D. 32

Ans:– C ,


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More Computer Networks Related questions:


In 1830, Charles Babbage disigned a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibited?
Options: 1820,    1860,    1855,    1870

Ans:C ,C


How many extended partitions can exist on one drive?
Options: 16,    4,    2,    1

Ans:D ,D


. 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


The new organization established to implement the Fifth Generation Project is called:
Options: ICOT (Institute for New Generation Computer Technology),    MITI (Ministry of International Trade and Industry),    MCC (Microelectronics and Computer Technology Corporation),    SCP (Stategic Computing Program)

Ans:A ,A


How many truth table entries are necessary for a four-input circuit?
Options: 4,    8,    12,    16

Ans:D ,D


"User friendly" computers have ensured that
Options: management requires no system analysis and design.,    programmers are no longer needed,    structured programming is not needed,    All of the above

Ans:E ,E


The first mechanical calculating machine was made by
Options: William Oughtred,    Gottfried Leibnitz,    Blaise Pascal,    Charles Babbage

Ans:C ,C


Goals for the design of the logical schema include
Options: avoiding data inconsistency,    being able to construct queries easily,    being able to access data efficiently,    All of the above

Ans:D ,D


When did IBM release the first version of disk operating system DOS version 1.0?
Options: 1981,    1982,    1983,    1984

Ans:A ,A


. Which technology is more reliable?
Options: A) Mechanical B) Electro-Mechanical C) Electronic D) For reliability it does not matter. So all of above are reliable

Ans:3-C,3-C


. After right click the field selector button, which do you choose to delete a field in design view?
Options: a. Delete field b. delete rows c. remove field d. remove rows

Ans:– b,– b


Convert the 48 machine language instructions into assembly language, assuming that they were not generated by pseudo-ops:
Options: ASRA,    LOADA h#OD4E, i,    STOREA h#014B, d,    ADDA h#01FE, i

Ans:A ,A


. Which is an internal command?
Options: a. Scandisk b. XCOPY c. Deltree d. None of the above

Ans:1 – d ,1 – d


. Which PowerPoint feature allows the user to create a simple presentation without having to spend too much time on it?
Options: a. AutoContent Wizard b. Animation c. Color Schemes d. Chart Wizard

Ans:1 – A ,1 – A


. how would you create the following diagram in PowerPoint
Options: a. Use auto shapes and the drawing toolbar to create the diagram and design it b. Open the diagram gallery from the drawing toolbar and choose this diagram type c. Use the chart command on the insert menu to import the diagram d. All of above

Ans:3 – B ,3 – B


7. …is the first program run on a computer when the computer boots up
Options: a. System software b. Operating system c. System operations d. None

Ans:Correct Answer: b,Correct Answer: b


In comparison to the internal (main) memory, tape or disk memory is
Options: slower and more expensive,    slower and less expensive,    faster and more expensive,    faster and less expensive

Ans:B,B


The model base contains programs
Options: written by the firm's programmers,    provided by the computer vendor,    purchased from outside firms, such as software houses,    All of the above

Ans:D ,D


What will be the output of the program ? #include<stdio.h> int main() { int a[5] = {5, 1, 15, 20, 25}; int i, j, m; i = ++a[1]; j = a[1]++; m = a[i++]; printf("%d, %d, %d", i, j, m); return 0; }
Options: 2, 1, 15,    1, 2, 5,    3, 2, 15,    2, 3, 20

Ans:C ,C


What is the highest binary number that can be referred to on a three position jumper block?
Options: 4,    6,    F,    1

Ans:D ,D


. Which of the following is not a valid size of a Floppy Disk?
Options: A) 8? B) 5 ¼? C) 3 ½? D) 5 ½?

Ans:D,D


Natural language understanding is used in:
Options: natural language interfaces,    natural language front ends,    text understanding systems,    All of the above

Ans:D ,D


. Which of the following is not an operating system?
Options: a. DOS b. Linux c. Windows d. Oracle

Ans: d, d


Which is the most widely used semiconductor?
Options: Copper,    Silicon,    Germanium,    All of the above

Ans:B ,B


Ctrl + G
Options: Open Paragraph Dialog box activating Goto Tab B. Open Page Setup Dialog box activating Goto Tab C. Open Find and Replace Dialog box with activating Goto Tab D. Open Goto Dialog box

Ans:– C ,


69. Ctrl + A
Options: a. Align Right b. Select All c. Change font d. Save document

Ans:–  B ,–  B


. Which is the valid data type in Access?
Options: a. Number b. Text c. Currency d. All of the above

Ans:– d,– d


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


Page-map table is
Options: A data file,    A directory,    Used for address translation,    All of the above

Ans:C ,C


Many things can be done to minimize downtime loss. Identify two of them.
Options: establish a user forum program,    stock critical spare parts,    provide an extra workstation,    both b and c

Ans:D ,D


'ITS' stands for
Options: Intelligent Teaching Systems,    International Tutoring Systems,    Intelligent Tutoring Systems,    All of the above

Ans:C ,C


CASE tools do not include which of the following features?
Options: Help to draw data models,    Help to generate code,    Help to manage people,    Create an information repository

Ans:C ,C


Which of the following statements correct about the below program? #include<stdio.h> int main() { struct emp { char name[25]; int age; float sal; }; struct emp e[2]; int i=0; for(i=0; i<2; i++) scanf("%s %d %f", e[i].name, &e[i].age, &e[i].sal); for(i=0; i<2; i++) scanf("%s %d %f", e[i].name, e[i].age, e[i].sal); return 0; }
Options: Error: scanf() function cannot be used for structures elements.,    The code runs successfully.,    Error: Floating point formats not linked Abnormal program termination.,    Error: structure variable must be initialized.

Ans:C ,C


The refresh-vector CRT uses which of the following techniques?
Options: The beam constantly travels across the screen to turn on/off a series of pixels.,    Makes changes on the image by increasing the anode voltage.,    Uses an electron gun to continuously flood the surface of the tube.,    Creates images on the screen by scanning straight-line vectors between selected points.

Ans:D ,D


. Word has Web authoring tools allow you to incorporate _____ on Web pages.
Options: a. bullets b. hyperlinks c. sounds d. all of the above

Ans:– D,– D


If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?
Options: The lowest IP address of any physical interface,    The highest IP address of any physical interface,    The lowest IP address of any logical interface,    The highest IP address of any logical interface

Ans:B ,B


Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?
Options: STP,    VTP,    DHCP,    ISL

Ans:B ,B


. Which command is used to copy the contents of one disk to another
Options: a. Diskcopy b. Delete c. Copy con d. Ctrl + Alt

Ans:4 – a ,4 – a


The accuracy of a pick-and-place robot can be as good as:
Options: + 0.0005 inches,    + 0.05 inches,    0.008 inches,    + 3%

Ans:A ,A


A _____ means that one record in a particular record type may be related to more than one record of another record type.
Options: One-to-one relationship,    One-to-many relationship,    Many-to-one relationship,    Many-to many relationship

Ans:B ,B


How many non-overlapping channels are available with 802.11a?
Options: 3,    12,    23,    40

Ans:B ,B


Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance?
Options: The contract,    The project evaluation,    The financial report.,    The purchasing report

Ans:A ,A


What will be the output of the program? #include<stdio.h> #define PRINT(int) printf("int=%d, ", int); int main() { int x=2, y=3, z=4; PRINT(x); PRINT(y); PRINT(z); return 0; }
Options: int=2, int=3, int=4,    int=2, int=2, int=2,    int=3, int=3, int=3,    int=4, int=4, int=4

Ans:A ,A


Semaphores
Options: synchronize critical resources to prevent deadlock,    synchronize critical resources to prevent contention,    are used to do I/O,    are used for memory management

Ans:A ,A


. If you need a calculation in an unbound control, you can create a custom _____.
Options: a. string b. expression c. relationship d. syntax

Ans:4 – b ,4 – b


. How many characters can be entered in a single command line?
Options: a. 64 b. 127 c. 80 d. 90

Ans:6 – b ,6 – b


Which gate sends on a pulse when it receives one at either or both of its terminals.
Options: NOR,    NOT,    OR,    NAND

Ans:C ,C


A computer, by definition, is any device that computers. This broad definition includes which of the following?
Options: Calculators,    Cash registers,    Automotive controllers,    Desktop computers

Ans:E ,E


Decisions can be classified on three levels : strategic, _____ and operational.
Options: prompt,    passwords,    MIS,    Tactical

Ans:D ,D


. Paper spreadsheets can have all the same advantages as an electronic spreadsheet except which of the following?
Options: a. Rows and columns b. Headings c. Speed d. None

Ans:– c,– c

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