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


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

Ans:– C ,






More Computer Networks Related questions:


What is a portion of memory that serves as a temporary repository for data as it waits for a given action?
Options: Memory Pool,    Cache,    Processor,    Processor pool

Ans:B ,B


Rounding errors can occur
Options: a. When you use multiplication, division, or exponentiation in a formula b. When you use addition and subtraction in a formula c. Because excel uses hidden decimal places in computation d. When you show the results of formulas with different decimal places that the calculated results

Ans:#8211; a,#8211; a


You have a system that periodically locks up. You have ruled out software, and now suspect that it is hardware. What should you do first that could help you narrow it down to the component at fault?
Options: rotate the RAM,    replace the RAM,    replace the level 2 cache SIMM,    disable the CPU cache in CMOS

Ans:D ,D


The data communication support should include, but is not restricted to
Options: file transfer and transaction processing,    file and database access,    terminal support, electronic mail and voice grams.,    All of the above

Ans:D ,D


Which of the following is form of semi conductor memory in which it is possible to change the contents of selected memory locations by applying suitable electrical signals.
Options: CAM,    ROM,    EAROM,    ANACUS

Ans:C ,C


Which of the following input/output devices is not associated with personal computers?
Options: mice,    color monitors,    punched cards,    dot-matrix printers

Ans:C,C


Which one of the following statements is true for the voltage in a parallel RC circuit?
Options: The voltage always has the same amplitude and phase for every part of the circuit,    The total voltage is equal to the sum of the voltages across the resistance and capacitance,    The total voltage leads the total current by less than 90 degree,    The total voltage is less than the sum of the voltages across the resistance and capacitance

Ans:A ,A


. Holding down the Shift key and rotate the image will rotate in increments of
Options: a. 10 degrees b. 15 degrees c. 20 degrees d. 25 degrees

Ans:8 – B ,8 – B


Terminals are used to
Options: collect data from the physical system,    provide information for the manager,    communicate management decisions to the physical system,    All of the above

Ans:D ,D


. How to change the order of Slides in Presentation?
Options: a. On Slide Sorter View, click on the Soft Slides b. On Slide Sorter View, click on the slide and drag to required position c. On Slide Thumbnail view, click on the slide and drag to required position d. Slides order cannot be changed once it created

Ans:2 – B ,2 – B


31. The _____ in the Resume Wizard dialog box indicates the wizard is ready to create the document.
Options: a. Start panel b. Address panel c. Add/Sort Heading panel d. Finish panel

Ans:– D ,– D


. To display the content of the disk we use
Options: a. Format b. Dir c. Copy d. WinZip

Ans:6 – b ,6 – b


. Clear the contents by pressing “DELETE” key from a keyboard will clear
Options: Text Only B. Format Only C. Contents Only D. Both Contents and Format

Ans:– C ,


You are working with a network that is 172.16.0.0 and would like to have the maximum number of hosts per subnet. This assumes support for eight subnets. What subnet mask should you use?
Options: 255.255.192.0,    255.255.224.0,    255.255.240.0,    255.255.248.0

Ans:C ,C


File specification books are created primarily for the use of
Options: systems analysts,    programmers,    operators,    managers

Ans:B ,B


From which menu you can insert Header and Footer?
Options:  A) Insert Menu, B) View Menu, C) Format menu, D) Tools Menu,

Ans:-B,-B


. An error in computer data is called
Options: A) Chip B) Bug C) CPU D) Storage device

Ans:6-B,6-B


In the future, users of a computer system may identify themselves by entering a _____ and a fingerprint
Options: hard print,    soft print,    voice print,    digital

Ans:C ,C


The word processing task associated with changing the appearance of a document is
Options: A) Editing B) Writing C) Formatting D) All of above

Ans:-C,-C


In LISP, the function returns t if <integer> is even and nil otherwise:
Options: (evenp <integer>),    (even <integer>),    (numeven <integer>),    (numnevenp <integer>)

Ans:A ,A


.   Which of the following is not a feature of PowerPoint?
Options: a. Printing transparencies b. Printing the speaker’s notes along with slide images c. Linking a slide transition with a laser pointer d. Drawing with a pen

Ans:7 – C ,7 – C


. Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?
Options: A) Daisy wheel B) Dot matrix C) Laser D) Thimble

Ans:C,C


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 555 timer can be used in which of the following configurations?
Options: astable, monostable,    monostable, bistable,    astable, toggled,    bistable, tristable

Ans:A ,A


As compared to diskettes, the hard disks are
Options: more expensive,    more portable,    less rigid,    slowly accessed

Ans:A,A


What is a brand?
Options: A) The name of companies that made computers B) The name of product a company gives to identify its product in market C) A name of class to indicate all similar products from different companies D) All of above

Ans:-B,-B


The greatest change as a result of CAD/CAM is taking place in which industry?
Options: Medical,    Aerospace,    Electronics,    Cartography

Ans:C ,C


Which of the following is not a device used in data communication?
Options: modem,    multiplexer,    statistical multiplexer,    front-end processor

Ans:E ,E


Where can you find the horizontal split bar on MS Word screen?
Options:  A) On the left of horizontal scroll bar, B) On the right of horizontal scroll bar, C) On the top of vertical scroll bar, D) On the bottom of vertical scroll bar, 

Ans:-C,-C


Communication ports are found on the back of microcomputers. They are used to connect the computer to _____
Options: printers,    modems,    other hardware,    All of the above

Ans:D,D


Which of the following is a non-impact printer?
Options: Daisy wheel printer,    Drum printer,    Laser printer,    All of the above

Ans:C ,C


When a parallel RLC circuit is operating at its resonant frequency:
Options: capacitive reactance is greater than the inductive reactance,    inductive reactance is greater than the capacitive reactance,    inductive reactance is equal to the capacitive reactance,    the difference between inductive and capacitive reactance is equal to the resistance

Ans:C ,C


Which of the following is an unsupervised data mining technique?
Options: Cluster analysis only,    Regression Analysis only,    RFM Analysis only,    Both Regression Analysis and RFM Analysis

Ans:A ,A


Which is considered a direct entry input device?
Options: Optical scanner,    All of the above,    Light pen,    Digitizer

Ans:All of the above,All of the above


. The key uniquely identifies each record in a table.
Options: a. Primary key b. Key word c. Filed name d. All of above

Ans:7 – a ,7 – a


A self-relocating program is one which
Options: cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation,    consists of a program and relevant information for its relocation,    can itself perform the relocation of its address-sensitive portions,    All of the above

Ans:C ,C


Block caches or buffer caches are used
Options: to improve disk performance,    to handle interrupts,    to increase the capacity of the main memory,    to speed up main memory read operation

Ans:A ,A


How many bit code is used by Murray code for TELEPRINTER machines.
Options: 4,    5,    9,    25

Ans:B,(Banswer


. Which of the following is first generation computer?
Options: A) EDSAC B) IBM 1401 C) CDC 1604 D) ICL 2950

Ans:0-A,0-A


Point out the error in the following program. #include<stdio.h> void display(int (*ff)()); int main() { int show(); int (*f)(); f = show; display(f); return 0; } void display(int (*ff)()) { (*ff)(); } int show() { printf("IndiaBIX"); }
Options: Error: invalid parameter in function display(),    Error: invalid function call f=show;,    No error and prints "IndiaBIX",    No error and prints nothing.

Ans:C ,C


An information processor includes
Options: the data base and the model base,    the central processing unit,    incoming data and outgoing information,    incoming data, the central processing unit, the model base, outgoing information, and the data base

Ans:D ,D


. Which of the following is correct?
Options: =POWER(2^3) B. =POWER(2,3)             C. =POWER(2#3) D. =POWER(2*3)

Ans:– B ,


Expand EDSAC
Options:

Ans:Electronic Delay Storage Automatic calculator,


Holes are the minority carriers in which type of semiconductor?
Options: Extrinsic,    Intrinsic,    n-type,    p-type

Ans:C ,C


. What are the requirements for the solution to critical section problem?
Options: a. Mutual Exclusion b. Progress c. Bounded Waiting d. All of Above

Ans:5 – d ,5 – d


A __________ enables you to view data from a table based on a specific criterion
Options: a. Form b. Query c. Macro d. Report

Ans:ndash; b,ndash; b


Declare the following statement? "An array of three pointers to chars".
Options: char *ptr[3]();,    char *ptr[3];,    char (*ptr[3])();,    char **ptr[3];

Ans:B ,B


What is modified when changing the system start-up boot sequence?
Options: BIOS/CMOS,    CONFIG.SYS,    autoexec.bat,    COMMAND.COM

Ans:A ,A


Where one has to process all the data records in a file, the best tile organization is
Options: Indexed,    sequential,    direct access,    random access

Ans:B ,B


Who made the statement "if a robot can do a job, a person should not be doing it"?
Options: Prof. F. A. Fisher of Britain,    Ron Albo of Shugart Associates, California,    Prof. Meredith Turing, London University,    John Smith, USA

Ans:B ,B

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