Which of the following is not a valid size of a Floppy Disk?


Options: 8″ B. 5 1/4″ C. 3 1/2″ D. 5 1/2″

Ans:– D ,


Description: mcqquestions






More Computer Fundamental Related questions:


Any storage device added to a computer beyond the immediately usable main storage is known as
Options: Floppy disk,    Hard disk,    Backing store,    Punched card

Ans:C,(Canswer


How many types of storage loops exist in magnetic bubble memory?
Options: 8,    4,    16,    2

Ans:D ,D


What will be the output of the program (in Turbo C)? #include<stdio.h> int fun(int *f) { *f = 10; return 0; } int main() { const int arr[5] = {1, 2, 3, 4, 5}; printf("Before modification arr[3] = %d", arr[3]); fun(&arr[3]); printf("\nAfter modification arr[3] = %d", arr[3]); return 0; }
Options: Before modification arr[3] = 4 After modification arr[3] = 10,    Error: cannot convert parameter 1 from const int * to int *,    Error: Invalid parameter,    Before modification arr[3] = 4 After modification arr[3] = 4

Ans:A ,A


What is proportional control?
Options: It has a discrete output for each error value,    The controller output varies continuously over a range,    The gain is independent of offset error.,    All of the above

Ans:B ,B


Point out the error in the following program. #include<stdio.h> #include<stdarg.h> int main() { void display(int num, ...); display(4, 12.5, 13.5, 14.5, 44.3); return 0; } void display(int num, ...) { float c; int j; va_list ptr; va_start(ptr, num); for(j=1; j<=num; j++) { c = va_arg(ptr, float); printf("%f", c); } }
Options: Error: invalid va_list declaration,    Error: var c data type mismatch,    No error,    No error and Nothing will print

Ans:B ,B


in which year was UK’s premier computing event called ?The which computer? started?
Options: A) 1980 B) 1985 C) 1986 D) 1987

Ans:-A,-A


. What is the natural mask for class C Network?
Options: 255.255.255.1 B. 255.255.255.0 C. 255.255.255.254 D. 255.255.255.255

Ans: – B ,


. Which of the following is not valid statement?
Options: A) Hard is referred to mean something temporary B) Hard is used to mean something tangible C) Soft is used to mean something permanent D) Soft is used to mean something tangible

Ans:1-B,1-B


Batch processing is appropriate if
Options: a . large computer system is available b . only a small computer system is avilbale c . only a few transactions are involved D . none of the above

Ans:D,none of the above


. All modern computer operate on
Options: A) Information B) Floppies C) Data D) Word

Ans:C,C


What is the maximum data rate for the 802.11a standard?
Options: 6Mbps,    11Mbps,    22Mbps,    54Mbps

Ans:D ,D


In an Entity-Relationship Diagram “Diamonds” represents
Options: Attributes B. Multi-valued attributes C. Weak entity set D. Relationship sets

Ans:– D ,


Which command is used to count just the number of characters in a file?
Options: wc - 1,    wc -c,    wc -w,    wc -r

Ans:B ,B


Which hardware component controls serial port communications?
Options: ROM BIOS,    CPU,    DMA823,    UART 16550

Ans:D ,D


. What is the symbol for multiplying?
Options: a. > b. / c. ! d. *

Ans:– d,– d


Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?
Options: Null status,    Data type,    Default value,    Data constraints

Ans:C ,C


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

Ans:A,A


Which of these toolbars allows changing of Fonts and their sizes?
Options: Standard B. Formatting C. Print Preview D. None of these

Ans:– B ,


Which two files are used during operation of the DBMS?
Options: query language and utilities,    data manipulation language and query language,    data dictionary and transaction log,    data dictionary and query language

Ans:C ,C


Which command displays the configuration register setting?
Options: show ip route,    show boot version,    show version,    show flash

Ans:C ,C


What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog friday tuesday sunday /* myprog.c */ #include<stdio.h> int main(int argc, char *argv[]) { printf("%c", *++argv[1]); return 0; }
Options: r,    f,    m,    y

Ans:A ,A


You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?
Options: You didn't boot the router with the correct command.,    NVRAM is corrupted.,    The configuration register setting is incorrect.,    The newly upgraded IOS is not compatible with the hardware of the router.

Ans:C ,C


Magnetic tape can serve as
Options: Input media,    Output media,    Secondary storage media,    All of the above

Ans:D ,D


The Paste Special command lets you copy and paste:
Options: a. Multiply the selection by a copied value b. Cell comments c. Formatting options d. The resulting values of a formula instead of the actual formula

Ans:#8211; d,#8211; d


. Formatting a cell in Currency, you can specify
Options: a. Decimal Places b. Currency Symbol c. Both of above d. None of above

Ans:– c,– c


Using a microcomputer as a controller allows:
Options: faster cycle time,    simpler mechanical hardware,    more self diagnostics of the machine operation,    All of the above

Ans:D ,D


. Which command is used to delete all the files from root directory of drive A?
Options: a. Del a: b. Del *.* c. Del A d. Erase *

Ans:3 – a ,3 – a


Which program is used to schedule particular jobs or programs at particular times on the system?
Options: vi,    Outlook,    Scheduler,    cron

Ans:D ,D


. Which of the following is not a type of Software

Options: A) System Software B) Application Software C) Utility Software D) Entertainment Software

Ans:D,D


What type of computer programming is used for airplane ticket reservation system?
Options: Multi programming,    Real time programming,    Time sharing,    Batch programming

Ans:B,B


. Gridlines
Options: a. May be turned off for display but turned on for printing b. May be turned on or off for printing c. The be turned off for display and printing d. a, b and c

Ans:– d,– d


Who invented the first junction transistor?
Options: Smith,    Gomes,    Fisher,    Shockley

Ans:D ,D


The total inductance of a series inductor circuit is:
Options: equal to the sum of the individual inductance values,    equal to the sum of the individual inductive-reactance values,    less than the value of the smallest inductor,    equal to the source voltage divided by total current

Ans:A ,A


The equivalent of 1 megohms is:
Options: 1 k ohm,    100,000 ohm,    one-millionth of an ohm,    one million ohms

Ans:D ,D


. Which of the following is not an output device?

Options: A) Portable Projector B) Printer C) Flat Screen D) Touch Screen

Ans:D,D


. What is a Document Outline in Word 2010?
Options: A structural view of a document with headings at various levels with associated text B. A structural view of a document with headings at various levels as it prints C. A structural view of a document with headings in full screen D. A structural view of a document with headings in Web Browser

Ans:– A ,


Which of the following systems software does the job of merging the records from two flies into one?
Options: Documentation system,    Utility program,    Networking software,    Security software

Ans:B ,B


In cyclic redundancy checking, the divisor is _____ the CRC.
Options: the same size as,    one bit less than,    one bit more than,    two bits more

Ans:C ,C


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 is the most significant difference between the USB and IEEE1394 standards?
Options: IEEE 1394 is faster,    USB does not support USB,    USB is plug and play,    IEEE 1394 is hot swappable

Ans:A ,A


.Which of the following data structure is linear data structure?
Options: A)Trees b.Graphs c.Arrays d.None of above

Ans:C,C


A distributed data processing configuration in which all activities must pass through a centrally located computer is called a:
Options: ring network,    spider network,    hierarchical network,    data control network

Ans:B ,B


. A term associated with the comparison of processing speeds of different computer system is:
Options: A) EFTS B) MPG C) MIPS D) CPS

Ans:C,C


While using the DIR command, you can use certain switches with it. Which one of the following cannot be used with DIR?
Options: /P,    /W,    /S,    /T

Ans:D ,D


RS-232 is a standard that applies to:
Options: serial ports,    parallel ports,    game ports,    networks

Ans:A ,A


. Where can you set the shedding color for a range of cells in Excel?
Options: a. Choose required color form Patterns tab of Format Cells dialog box b. Choose required color on Fill Color tool in Formatting toolbar c. Choose required color on Fill Color tool in Drawing toolbar d. All of above

Ans:– d,– d


What is the minimum header size of an IP packet?
Options: 16 bytes B. 10 bytes             C. 20 bytes D. 32 bytes

Ans:– C ,


Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?
Options: 200 W,    1000 W,    20 W,    100 W

Ans:A ,A


The term PUSH and POP is related to the
Options: a. array b. lists c. stacks d. all of above

Ans: c, c


Which of the following provides a printed copy of your presentation?
Options: a. Outline b. Speaker notes c. Audience handouts d. All of the above

Ans: – C , – C

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