Stars twinkle because


Options: the intensity of light emitted by them changes with time,    the distance of the stars from the earth changes with time,    the refractive index of the different layers of the earth's atmosphere changes continuously, consequently the position of the image of a start changes with time,    the light from the star is scattered by the dust particles and air molecules in the earth's atmosphere

Ans:C,C

More physics Related questions:


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


What is the output of the program in Turbo C (in DOS 16-bit OS)? #include<stdio.h> int main() { char *s1; char far *s2; char huge *s3; printf("%d, %d, %d\n", sizeof(s1), sizeof(s2), sizeof(s3)); return 0; }
Options: 2, 4, 6,    4, 4, 2,    2, 4, 4,    2, 2, 2

Ans:C ,C


Minimum number of unequal vectors which can give zero resultant are
Options: two,    three,    four,    more than four

Ans:B,B


In the 1700s, who would pay the postage fee for letters before the stamp was invented?
Options: The sender,    There was no fee,    The receiver of the letter,    The post office

Ans:C,C


. A factor which would strongly influence a business person to adopt a computer is its

Options: A) Accuracy B) Reliability C) Speed D) All of above

Ans:D,D


In which decade was the telegraph invented?
Options: 1810s,    1840s,    1870s,    1890s

Ans:B,B


The real "brain" of an artificial intelligence system is referred to as:
Options: bubble memory,    the expert system,    recursive technology,    natural language interfaces

Ans:B ,B


The mass number of an atom is equal to
Options: the number of protons,    the number of protons and electrons,    the number of nucleons,    the number of neutrons

Ans:C,C


Which of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices?
Options: Hardwiring,    Microwave,    Satellite,    Laser

Ans:C ,C


802. bhaarat ke bhootapoorv pradhaanamantree laal bahaadur shaastree kee mrtyu kahaan huee thee?
Options: NA

Ans: taashakand, taashakand


Which part of the system allows the user to interact with the compiler? (a) Memory
Options: Translator,    Communications processor,    Interpreter,    None of the above

Ans:D ,D


Which of the following commands is used to update access and modification times of a file?
Options: grep,    wc,    touch,    cat

Ans:C ,C


Plants that grow under average temperature and moisture are called
Options: halophytes,    hydrophytes,    mesophytes,    xerophytes

Ans:C,C


1.Evolutionary Development
Options: (A)It describes the basic entities in the design and relation between them. (B) Observational techniques used to understand social and organizational requirements. | 99 (C) It is based on the idea of developing an initial implementation, exposing it uses on requirement and refining it through many versions until an adequate system has been developed (D) Based on an idea of developing an initial implementation, exposing this to uses comment and retiring it until and adequate system has been developed. 17

Ans:171. (B),171. (B)


12. What is the default file extension for all Word documents?
Options: a. .txts b. .word c. .docs d. .docx

Ans:– D ,– D


The expert system developed at MIT to solve mathematical problems is known as:
Options: RAND,    ISIS,    MACSYMA,    MOLGEN

Ans:C ,C


. Which device is used to backup the data?
Options: A) Floppy Disk B) Tape C) Network Drive D) All of the above

Ans:D,D


. To apply an AutoFormat to an entire Form, what must you select first?
Options: a. Form Selector b. Document tab c. Detail section d. Any control

Ans:6 – a ,6 – a


533. mugal vansh kee sthaapana kisane kee thee?
Options: NA

Ans: baabar, baabar


.  Which of the following syntax is correct regarding to SUM function in Excel?
Options: a. =SUM (A1, B1) b. =SUM (A1:B9) c. =SUM (A1:A9, B1:B9) d. All of the above

Ans:– d,– d


687. raashtreey vikaas parishad ka adhyaksh kaun hota hai?
Options: NA

Ans: pradhaanamantree, pradhaanamantree


Data collection terminals
Options: track the flow of materials from one production area to another,    record employee attendance,    record start and stop of production steps,    All of the above

Ans:D ,D


After installing a sound card, the system locks up when a parallel port tape backup unit is also used. What is most likely the problem?
Options: IRQ,    DMA,    defective LPT port,    defective tape driver

Ans:A ,A


The logical data structure with a one-to-many relationship is a :
Options: network,    tree,    chain,    relational

Ans:B ,B


Balphakram National Park
Options:

Ans:,Meghalaya


The total number of Judges of the International Court of Justice is
Options: 10,    12,    15,    18

Ans:C,C


‘Tehri’ dam is built on which of the following rivers ?
Options: NA

Ans:Bhagirathi,Bhagirathi


. To place something in the same position on every slide of presentation automatically, insert into
Options: a. Slide master b. Notes master c. Handout master d. None of the above

Ans:3 – A ,3 – A


. A group of magnetic tapes, videos or terminals usually under the control of one master is
Options: A) Cylinder B) Surface C) Track D) Cluster

Ans:D,D


Your switch has a port status LED that is alternating between green and amber. What could this indicate?
Options: The port is experiencing errors.,    The port is shut down.,    The port is in STP blocking mode.,    Nothing; this is normal.

Ans:A ,A


A type of line printer that uses an embossed steel band to form the letters printed on the paper is
Options: Golf ball printer,    Dot-matrix printer,    Laser printer,    Band printer

Ans:D,D


_____ is the term used to refer to the process of two modems establishing communications with each other.
Options: interacting,    handshaking,    connecting,    linking

Ans:B ,B


15. While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a
Options: a. Copy a. *.txt b. Copy *.txt a: c. Copy *.txt c: d. Copy *.txt all.txt

Ans:Correct Answer: b,Correct Answer: b


The monomer of polythene is
Options: vinyl chloride,    ethylene,    ethyl alcohol,    None of the above

Ans:B,B


. High level language is also called
Options: A) Problem oriented language B) Business oriented language C) Mathematically oriented language D) All of the above

Ans:D,D


4.In real time scheduling: A: Static table driven approach, B: Static priority driven preemptive approach, C: Dynamic planning based approach; 1- A static analysis of feasible scheduler of dispatching is done and implemented. 2- A static analysis of feasible schedules of dispatching is done and assigns priorities to tasks. 3- Feasibility is determined at run time.
Options: (A)A – 1, B – 2, C – 3 (B) A – 2, B – 3, C – 1 (C) A – 3, B – 1, C – 2 (D) None of these. 8

Ans:84. (A),84. (A)


Location transparency allows for which of the following?
Options: Users to treat the data as if it is at one location,    Programmers to treat the data as if it is at one location,    Managers to treat the data as if it is at one location,    All of the above.

Ans:D ,D


A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
Options: Touch panel,    Mouse,    Wand,    Writing tablet

Ans:D ,D


We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ .
Options: dirty data,    inconsistent data,    non-integrated data,    a "wrong format" problem

Ans:C ,C


0.In Windows operating system shortcut CTRL+SHIFT while dragging an item
Options: (A)Delete the selected item permanently without placing the item in the Recycle Bin (B) Copy the selected item (C) Rename the selected item (D) Create a shortcut to the selected item 3

Ans:30. (D),30. (D)


what is area of lahul spiti in aquare kilo meter
Options:

Ans:lahul spiti - 13835 square kilometer,lahul spiti - 13835 square kilometer


Conversion of binary number 11000112 to hexadecimal is
Options: 6316,    5716,    4616,    4016

Ans:A ,A


The Yarlung Zangbo river, in India, is known as
Options: Ganga,    Indus,    Brahmaputra,    Mahanadi

Ans:C,C


The Strategic Computing Program is a project of the:
Options: Defense Advanced Research Projects Agency,    National Science Foundation,    Jet Propulsion Laboratory,    All of the above

Ans:A ,A


Which one of the following phrases most accurately describes a purely capacitive circuit?
Options: Resistances provide the only opposition to current flow,    Capacitive reactance provides the only opposition to current flow,    The ac voltage leads the current by 90 degree,    Combinations of resistance and capacitive reactance provide any opposition to current flow

Ans:B ,B


The association of the rupee with pound sterling as the intervention currency was broken in
Options: 1990,    1991,    1992,    1993

Ans:C,C


How would you round off a value from 1.66 to 2.0?
Options: ceil(1.66),    floor(1.66),    roundup(1.66),    roundto(1.66)

Ans:A ,A


Which of the following was the mascot of the Barcelona Olympic Games?
Options: Cobi,    Doves,    hodori,    Panda

Ans:A,A


How do you subscribe to an Internet mailing list?
Options: Contact your Internet service provider,    Send e-mail to the list manager,    Telephone the mailing list webmaster,    Send a letter to the list

Ans:B,B


Golf player Vijay Singh belongs to which country?
Options: USA,    Fiji,    India,    UK

Ans:B,B

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