RADAR is used for

Options: locating submerged submarines,    receiving a signals in a radio receiver,    locating geostationary satellites,    detecting and locating the position of objects such as aeroplanes


More physics Related questions:

Which command is used to sort the lines of data in a file in alphabetical order?
Options: sort,    sh,    st,    sort -r

Ans:A ,A

A word processor would most likely be used to do
Options:  A) Keep an account of money spent, B) Do a computer search in media center, C) Maintain an inventory, D) Type a biography,


What does the port number in a TCP connection specify?
Options: It specifies the communication process on the two end systems B. It specifies the quality of the data & connection C. It specify the size of data D. All of the above

Ans:– A ,

To conserve battery power on your laptop computer. What DOS v6.x command should you use?
Options: Powermon.exe,    Power.exe,    Idel.com,    Pw.sys

Ans:B ,B

A time sharing system imply
Options: a . more than one processor in the system b . more than one program in memory c . more than one memory in the system d. None of above


Point out the error in the program. #include<stdio.h> int main() { const int k=7; int *const q=&k; printf("%d", *q); return 0; }
Options: Error: RValue required,    Error: Lvalue required,    Error: cannot convert from 'const int *' to 'int *const',    No error

Ans:D ,D

A proxy server is used for which of the following?
Options: To provide security against unauthorized users,    To process client requests for Web pages,    To process client requests for database access,    To provide TCP/IP

Ans:A ,A

. Which query do you use to answer the question “What is the average salary of the employees”?
Options: a. Search query b. Cross tab query c. Select query d. Update query

Ans:– c,– c

Which of the following statements best describes the batch method of input?
Options: Data is processed as soon as it is input,    Data is input at the time it is collected,    Data is collected in the form of source documents, placed into groups, and then input to the computer,    Source documents aren't used

Ans:C ,C

. 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

Data are sent over pin _____ of the EIA-232 interface.
Options: 2,    3,    4,    All of the above

Ans:A ,A

2.These objects can be realized as parallel process with method corresponding to defined object operations.
Options: (A)Self-descriptiveness (B) Servers (C) Simplicity (D) None of these 24

Ans:242. (B),242. (B)

ROM stands for...
Options: Royal Ontario Museum,    Read Only Memory,    Read on Monday,    Real Obsolute Memory


National Archives is located at?
Options: Calcutta,    Dehradun,    Bombay,    New Delhi


. What do you call the translator which takes assembly language program as input & produce machine language code as output?
Options: A) Compiler B) Interpreter C) Debugger D) Assembler


Which of the following command is used to access an SMB share on a Linux system?
Options: NFS,    SMD,    smbclient,    smbserver

Ans:C ,C

. The _____ is a special toolbar that displays a series of names, each of which represents a list of commands that can be used to perform tasks.
Options: a. scroll bar b. status bar c. title bar d. menu bar

Ans: – D , – D

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

Ans:B ,B

The process of communicating with a file from a terminal is
Options: Interactive,    Interrogation,    Heuristic,    All of the above

Ans:B ,B

You have a class A network address with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?

Ans:D ,D

What will be the output of the program if the array begins at address 65486? #include<stdio.h> int main() { int arr[] = {12, 14, 15, 23, 45}; printf("%u, %u\n", arr, &arr); return 0; }
Options: 65486, 65488,    65486, 65486,    65486, 65490,    65486, 65487

Ans:B ,B

Which command is used to display a file contents in octal form?
Options: cd,    od,    of,    oct

Ans:B ,B

Which of the following database object produces the final result to present?
Options: a. Forms b. Reports c. Queries d. Tables

Ans:ndash; b,ndash; b

A memory that does not change its contents without external causes is known as
Options: Dynamic memory,    Static memory,    RAM,    EEPROM

Ans:B ,B

Photo-oxidation is
Options: photorespiration,    photolysis,    light and oxygen induced breakdown,    All of the above


How many gold medals did P.T.Usha win in the 1986 Seoul Asian Games?
Options: 1,    2,    3,    4


bardosar lake is in which district?
Options: kinnaur , lahul, kullu, mandi


Triple antigen provides immunity to children against all of the following disease, except
Options: diphtheria,    polio,    tetanus,    whooping cough


The metal does not give H2 on treatment with dilute HCL is
Options: Zn,    Fe,    Ag,    Ca


This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
Options: George Washington,    Alexander Hamilton,    John Adams,    Thomas Jefferson


When was Zoroaster, the founder of Zoroastrianism born in Media(Iran)?
Options: 2000 BC,    660 BC,    1075 BC,    740 BC


ghadasru lake is in which district?
Options: chamba, kangra, kullu, lahul


Any type of storage that is used for holding information between steps in its processing is
Options: CPU,    Primary storage,    Intermediate storage,    Internal storage


Piece of code that only one thread can execute at a time is called
Options: Mutual Exclusion B. Critical Section C. Synchronization D. All of them

Ans:– B ,

6.Classification accuracy is
Options: (A)A subdivision of a set of examples into a number of classes (B) Measure of the accuracy, of the classification of a concept that is given by a certain theory (C) The task of assigning a classification to a set of examples (D) None of these 1

Ans:16. (B),16. (B)

The first step to getting output from a laser is to excite an active medium. What is this process called?
Options: Pumping,    Exciting,    Priming,    Raising


315. prthvee aur soory ke beech dooree kitanee hai?
Options: NA

Ans: 15 karod kilomeetar, 15 karod kilomeetar

During Solar eclipse
Options: NA

Ans:The moon comes in between the sun and earth.,The moon comes in between the sun and earth.

Maximum length of DOS command using any optional parameter is
Options: a. 26 characters b. 87 characters c. 127 characters d. None of above

Ans:Correct Answer: c ,Correct Answer: c

Compared to analog signals, digital signals
Options: allow faster transmission,    are more accurate,    both (a) and (b),    All of the above

Ans:C ,C

4.This hacker is a hacker of ambiguous ethics and/or borderline legality, often frankly admitted.
Options: (A)White hat (B) Grey hat (C) Blue hat (D) None of these

Ans:4. (B),4. (B)

Which is the sacred text of Hinduism?
Options: The Vedas,    The Bhagavad Gita,    The epics of the Mahabharata and the Ramayana,    All of the above


How many colours the sunlight spectrum has?
Options: Three,    Seven,    Four,    Five


How many fours had Yograj Singh hit throughout his Test career?
Options: 10,    9,    4,    1


. In table design view, which key can be used to switch between the field names and properties panels?
Options: a. F3 b. F4 c. F5 d. F6

Ans:8 – d ,8 – d

'.INI' extension refers usually to what kind of file?
Options: Image file,    System file,    Hypertext related file,    Image Color Matching Profile file


Rabindranath Tagore is also known as
Options: Guruji,    Gurudev,    Mahamana,    Netaji


where is army public school
Options: kangra, shimla, bilaspur, hamirpur, kullu


Organic Substances which, in very small amounts, control growth and development called
Options: vitamins,    hormones,    enzymes,    None of the above


An _____ system has a stored knowledge base and an inference engine.
Options: expert,    centers,    control,    MIS

Ans:A ,A