The major constituent of air is


Options: nitrogen,    carbon dioxide,    oxygen,    hydrogen

Ans:A,A

More Chemistry Related questions:


10. What is the maximum font size you can apply for any character
Options: a. 163 b. 1638 c. 16038 d. None of above

Ans:– B ,– B


The term yavanika meant
Options: foreign goods,    dancer,    curtain,    theatre

Ans:C,C


Who has scored the most runs in a single First-class innings?
Options: Hanif Mohammad,    Brian Lara,    Sir Donald Bradman,    Sachin Tendulkar

Ans:B,B


The journalist who refused to accept 'Padma Bhushan' was?
Options: Shekaran Nair,    Khushwant Singh,    Ratan Thiyam,    Arun Shourie

Ans:B,B


Which of the following is the fastest?
Options: CPU,    magnetic tapes and disks,    video terminal,    sensors, mechanical controllers

Ans:A,A


. What is a compiler?
Options: A) A compiler does a conversion line by line as the program is run B) A compiler converts the whole of a higher level program code into machine code in one step C) A compiler is a general purpose language providing very efficient execution D) None of the above

Ans:B,B


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


The data stored on a tape or disk file may be recorded in a report form described as
Options: a soft copy ledger,    printer spacing from,    proof listing,    All of the above

Ans:C ,C


Which device is on IRQ 6?
Options: Keyboard,    IDE,    Floppy drive,    Video card

Ans:C ,C


Which of the following is not a limitation of binary search algorithm?
Options: a. must use a sorted array b. requirement of sorted array is expensive when a lot of insertion and deletions are needed c. there must be a mechanism to access middle element directly d. binary search algorithm is not efficient when the data elements are more than 1000.

Ans:- d,- d


From a data systems design viewpoint, the number of different types of general ledger entries is
Options: six,    three,    four,    one

Ans:C ,C


What is computer firewall ?
Options: NA

Ans:Ans;- It is software or hardware-based program to protect against threats and make the internet sec,Ans;- It is software or hardware-based program to protect against threats and make the internet sec


Which of the following capabilities is required for a system program to execute more than one program at a time?
Options: word processing,    compiling,    virtual memory,    multitasking

Ans:D ,D


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


What is the approximate area of Bihar?
Options: 94,163 sq. km,    1,35,100 sq. km,    3,702 sq. km,    1,96,024 sq. km

Ans:A,A


Most algorithms begin by _____.
Options: Displaying the input items,    Displaying the output items,    Entering the input items into the computer,    Entering the output items into the computer

Ans:C ,C


kyonki laal rang ka prakeernan sabase kam hota hai
Options: NA

Ans: 558. indradhanush mein kitane rang hote hain?, 558. indradhanush mein kitane rang hote hain?


620. pandit ravishankar ka sambandh kis vaady yantr se hai?
Options: NA

Ans: sitaar, sitaar


The ability of a computer system to remain operational despite various failures is
Options: Relation,    Schema,    Resilience,    Versatility

Ans:C ,C


Deep blue colour is imparted to glass by the presence of
Options: cupric oxide,    nickel oxide,    cobalt oxide,    iron oxide

Ans:C,C


The preamble declares India as a sovereign state which implies
Options: India is free to conduct her internal affairs,    India is free to conduct her external affairs,    India is free to conduct here internal as well as external affairs,    None of the above

Ans:C,C


What is the output of the program #include<stdio.h> int main() { extern int fun(float); int a; a = fun(3.14); printf("%d\n", a); return 0; } int fun(int aa) { return (int)++aa; }
Options: 3,    3.14,    0 ,    4

Ans:E ,E


Thrashing can be avoided if
Options: the pages, belonging to the working set of the programs, are in main memory,    the speed of CPU is increased,    the speed of I/O processor is increased,    all of the above

Ans:A ,A


In Microsoft PowerPoint the entry effect as one slide replaces another in a show is called a (an)
Options: a. animation b. slide transition c. custom animation d. preset animation

Ans: – B , – B


A skills search requires that the employee file be accessible by
Options: employee position,    applicant file,    employee skill category,    employee name

Ans:C ,C


Modulation is the process of
Options: converting analog signals to digital signals,    converting digital signals to analog signals,    Multiplexing various signals into high speed line signals,    performing data encryption.

Ans:B ,B


Which part of the computer were is used for calculating and comparing?
Options: Disk unit,    Control unit,    ALU,    Modem

Ans:C ,C


Which system was developed by Rank-Xeron for use with office computers and other equipment.
Options: UNIX,    ETHERNET,    PC-DOS,    MS-DOS

Ans:B ,B


9.Cost of operation is
Options: (A)Process of estimating the costs associated with software development projects that include the effort, time, and labor required. (B) Overall cost of maintaining a computer system that includes the costs associated with personnel / training/ maintenance of hardware and software/ requirements growth. (C) Overall cost of operating a computer system that includes the costs associated with personnel / training / system operations. (D) Overall cost of a computer system to an organization that includes the costs associated with operating/ maintaining the system, and the lifetime of operational use of the system. 16

Ans:159. (C),159. (C)


What does SSL stand for?
Options: Secure Socket Layer,    System Socket Layer,    Superuser System Login,    Secure System Login

Ans:A,A


Balphakram National Park
Options:

Ans:,Meghalaya


Rajaji National Park
Options: Karnataka,Kerala,Uttarakhand,MadhyaPradesh

Ans:Uttarakhand,


.  Macros can recover from _______ in a controlled manner.
Options: a.            events b.           modules c.           arguments d.            errors

Ans:– a,– a


Who is the father of Super Computer ?
Options: NA

Ans:Seymour Cray,Seymour Cray


How can you disable extended selection mode?
Options: a. Press F8 again to disable b. Press Del to disable c. Press Esc to disable d. Press Enter to disable

Ans:– C,– C


Which of the following food grain crops occupies the largest part of the cropped area in India?
Options: Barley and maize,    Jowar and bajra,    Rice,    Wheat

Ans:C,C


A certain city uses a computer system as part of its taxation of real estate. Which one of the following tasks would the computer be least able to do?
Options: Decide how much money should be raised through real estate taxes,    Keep records of tax rates that apply to different kinds of real estate,    Compute tax due for each property owner each quarter,    Keep records of all assessment

Ans:A ,A


The auto calculate feature
Options: a. Can only add values in a range of cells b. Provides a quick way to view the result of an arithmetic operation on a range of cells c. Automatically creates formulas and adds them to a worksheet d. A and c

Ans:#8211; b,#8211; b


War of the Roses was
Options: civil war in England,    religious-cum-political war between the Lutherans Catholics in Germany,    war between Syrian and Roman forces,    None of the above

Ans:A,A


In a relational schema, each tuple is divided into fields called
Options: Relations,    Domains,    Queries,    All of the above

Ans:B ,B


while performing open circuit test of a transformer?
Options: NA

Ans:high voltage is kept open ,high voltage is kept open


A monitor looks like a TV set but it does not
Options: Receive TV signals,    Give a clear picture,    Give a steady picture,    Display graphics

Ans:A ,A


8. kaunasa vitaamin aanvale mein prachur maatra mein milata hai ?
Options: NA

Ans: vitaamin ch, vitaamin ch


Which of the following might be output as a result of using a CASE tool?
Options: programming code,    flowcharts and data flow diagrams,    prototypes and cost / benefit analysis,    All of the above

Ans:D ,D


. Swapping
Options: a. Works best with many small partitions b. Allows many programs to use memory simultaneously c. Allows each program in turn to use the memory d. Does not work with overlaying

Ans:1 – c ,1 – c


What TCP/IP protocol is used for file transfer with minimal capability and minimal overhead?
Options: TELNET,    TFTP,    FTP,    RARP

Ans:B ,B


2.The wait operation
Options: (A)Decrements the semaphore value (B) Increments the semaphore value (C) Fixes the semaphore value (D) None of these. 6

Ans:62. (A),62. (A)


You type the following command into the router and receive the following output: Router#show serial 0/0 ^ % Invalid input detected at '^' marker. Why was this error message displayed?
Options: You need to be in privileged mode.,    You cannot have a space between serial and 0/0.,    The router does not have a serial0/0 interface.,    Part of the command is missing.

Ans:D ,D


. Who suggested Stored Program Concept
Options: A) John Mauchley B) J.P. Eckert C) John Neumann D) Joseph Jacquard

Ans:C,C


A disadvantage of Numerical Control (NC) is:
Options: the computer is not reliable,    the tape and tape reader are not reliable,    one operator is needed for each machine.,    the machine tool can easily overheat

Ans:B ,B

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