The isotope of uranium capable of sustaining chain reaction is

Options: U-235,    U-245,    U-239,    U-238


More General Science Related questions:

The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
Options: 0.003,    0.009,    0.991,    0.999

Ans:B ,B

9.The memory address of fifth element of an array can be calculated by the formula
Options: (A)LOC(Array[5])=Base(Array[5])+(5-lower boun(D), where w is the number of words per memory cell for the array (B) LOC(Array[5])=Base(Array[4])+(5-Upper boun(D), where w is the number of words per memory cell for the array (C) LOC(Array[5]=Base(Array)+w(5-lower boun(D), where w is the number of words per memory cell for the array (D) None of the above 5

Ans:49. (C),49. (C)

The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind?
Options: 1/6,    1/3,    1/8,    1/4


How many networks and nodes per network, are allowed by the Class B network?
Options: 127 networks and 16,777,216 nodes per network,    16,384 networks and 65,534 nodes per network,    2,097,152 networks and 254 nodes per network,    All of the above

Ans:B ,B

_____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

Ans:C ,C

1.In Excel default header for a worksheet is
Options: (A)Your name (B) The date and time (C) None (D) The sheet tab name

Ans:. (C),. (C)

India's first fast breeder neutron reactor was
Options: Zerlina,    Apsara,    Purnima-I,    Kamini


Which file transfer protocol uses UDP?
Options: NFS,    TELNET,    TFTP,    FTP

Ans:C ,C

The modify operation is likely to be done after
Options: Delete,    Look-up,    Insert,    All of the above

Ans:B ,B

715. bhaarateey praayadveep ka kya naam hai?
Options: NA

Ans: dakkan ka pathaar, dakkan ka pathaar

What does the abbreviation "http" stand for?
Options: Hypertext Transfer Protocol,    High Task Termination Procedure,    Harvard Teletext Proof,    Hindustan Times Technical Proffesionals


0. What is a file extension of Templates in Microsoft Word?
Options: .Dtep B. .Dott C. .Dotx D. .Doct

Ans: – C ,

6.Which of the following is a database management system?
Options: (A)Ms-Word (B) Lotus 1-2-3 (C) Oracle (D) None of above 13

Ans:136. (C),136. (C)

Ozone hole refers to
Options: hole in ozone layer,    decrease in the ozone layer in troposphere,    decrease in thickness of ozone layer in stratosphere,    increase in the thickness of ozone layer in troposphere


If the record management system allows you to edit values before they are recorded on disk, you can
Options: correct spelling changes before they are recorded,    change the name of a field,    change the width of a field,    All of the above

Ans:A ,A

4.In Access to Refresh the contents of a Lookup field (Lookup field: A field, used on a form or report in an Access database, that either displays a list of values retrieved from a table or query, or stores a static set of values.) list box or combo box

Ans:14. (D),14. (D)

4.The following command is used to search the record that satisfies the specified criteria

Ans:4. (A),4. (A)

We combine hardware, software, people, procedures, and data to create an _____
Options: people,    icons,    information system,    on-line

Ans:C ,C

If your routing table has a static, a RIP, and an IGRP route to the same network, which route will be used to route packets by default?
Options: Any available route,    RIP route,    Static route,    IGRP route

Ans:C ,C

sirimao bhandaaranaayake
Options: NA

Ans: 555. hadappa kee sabhyata kis yug se sambandhit hai?, 555. hadappa kee sabhyata kis yug se sambandhit hai?

How many types of flow are there in a semiconductor?
Options: 0,    1,    2,    3

Ans:B ,B

127. san 2012 ke olampik khelon mein kaansy padak jeetane vaalee saayana nehavaal ka sambandh kis khel se hai ?
Options: NA


. Which characteristic of computer distinguishes it from electronic calculators?

Options: A) Accuracy B) Storage C) Versatility D) Automatic


How many full and half-adders are required to add 16-bit numbers?
Options: 8 half-adders, 8 full-adders,    1 half-adders, 15 full-adders,    16 half-adders, no full-adders,    4 half-adders, 12 full-adders

Ans:B ,B

Which of the following statement is true?
Options: a. Foreign key fields don't allow duplicate values b. In primary key field you can enter duplicate value c. In an indexed field you may or may not enter duplicate value depending upon setting d. All statements are true

Ans:c, c

. Portrait and Landscape are
Options: a. Page Orientation b. Paper Size c. Page Layout d. All of above

Ans:– A,– A

The time for which a piece of equipment operates is called
Options: Seek time,    Effective time,    Access time,    Real time


Which city in Tamil Nadu has airport?
Options: Chennai,    Triuchirapalli,    Madurai,    All of the above


When installing an internal modem, all of the following IRQ's can be used except?
Options: 5,    10,    14,    All of the above

Ans:C ,C

8.Modifiability is
Options: (A)These measurements need to be collected to help answers to the questions and to confirm whether process improvements have achieved the desired goal. (B) Approximation, representation, or idealization of selected aspects of the structure, behavior, operation, or other characteristics of a real-world process* (C) Extent to which a system or component facilitates the incorporation of changes, once the nature of the desired change has been determined. (D) None of these

Ans:278. (C),278. (C)

Which part interprets program instructions and initiate control operations.
Options: Input,    Storage unit,    Logic unit,    Control unit


20. Which command is used to display a list of deleted files that DOS can undelete?
Options: a. Undelete *.* b. Undelete/all c. Undelete/list d. None of the above

Ans:Correct Answer: c ,Correct Answer: c

An AND gate has 7 inputs. How many input word are in its truth table?
Options: 64,    32,    16,    128

Ans:D ,D

    If you need to duplicate the entire disk, which command will you use?
Options: a.    Copy b.    Diskcopy c.    Chkdsk d.    Format

Ans:.d,Correct Answer: b. Diskcopy

The Average case occur in linear search algorithm
Options: a. When Item is somewhere in the middle of the array b. When Item is not in the array at all c. When Item is the last element in the array d. When Item is the last element in the array or is not there at all  


2.Human engineering is
Options: (A)It is concerned with the design, evaluation, and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them. (B) Extent to which a software product fulfills its purpose without wasting user’s time/ energy/degrading their morale. (C) Human behavior that results in the introduction of faults into a system. (D) None of these 20

Ans:202. (B),202. (B)

Lux is the SI unit of
Options: intensity of illumination,    luminous efficiency,    luminous flux,    luminous intensity


Recently lead free petrol was introduced in our country because
Options: they are not needed now as anti-knock agents,    they tower the efficiency of the engine,    they cause less pollution,    to reduce the cost of petrol


In which mode can 2 or more applications be stored in memory at the same time?
Options: Segmented Mode,    Unprotected Mode,    Real Mode,    Protected Mode

Ans:D ,D

Which of the following is not a quotation system procedure set?
Options: delivery planning,    product data retrieval,    quotation preparation,    all of the above

Ans:A ,A

475. bhaarat chhodo aandolan kab shuru hua?
Options: NA

Ans: 8 agast 1942, 8 agast 1942

In vi editor, forward search is performed using the command.
Options: :pat,    ?pat,    /pat,    All of the above

Ans:C ,C

An AI system developed by Daniel Bobrow to read and solve algebra word problems
Options: SHRDLU,    SIMD,    BACON,    STUDENT

Ans:D ,D

where is mohan bekin brairy
Options: kangra, shimla, solan, hamirpur, kullu


When UPC is used, the price of the item is located
Options: on the item,    on the item and on the shelf,    in computer storage,    on the shelf and in computer storage

Ans:D ,D

The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio?
Options: 0.25,    180,    0.5,    4

Ans:C ,C

The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called
Options: ASCII,    EBCDII,    BCD,    All of the above

Ans:A ,A

The class-based addressing is also known as
Options: Modern Model B. Classful Model C. Classless Model D. Heterogeneous Model

Ans:– B ,

Main storage is also called
Options: Accumulator,    Control unit,    Register unit,    memory

Ans:D ,D

514. kis sanvidhaan sanshodhan dvaara maulik kartavyon ko sanvidhaan mein joda gaya?
Options: NA

Ans: 42ven, 42ven