Planets do not twinkle because


Options: they emit light of a constant intensity,    their distance from the earth does not change with time,    they are very far away from the earth resulting in decrease in intensity of light,    they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable

Ans:D,D

More physics Related questions:


. Which would you choose to list Synonyms & Antonyms of a selected word?
Options: a. Tools, Spelling & Grammar b. Tools, Language c. Tools, Options d. Insert, Cross-reference

Ans: –  B , –  B


The pedogenic process associated with poor drainage and which involves the accumulation of organic matter in the upper layers of the soil is called
Options: salinisation,    gleisation,    calcification,    podsolisation

Ans:B,B


The register which holds the address of the location to or from which data are to be transferred is known as
Options: index register,    instruction register,    memory address register,    memory data register

Ans:C ,C


ODL supports which of the following types of association relationships?
Options: Unary,    Unary and Binary,    Unary and Binary and Ternary,    Unary and Binary and Ternary and higher

Ans:B ,B


amar sonaar baangla jo raveendranaath taigor ne likha hai
Options: NA

Ans: 383. lodhee vansh ke sansthaapak kaun the?, 383. lodhee vansh ke sansthaapak kaun the?


Which of the following TCP/IP protocol is used for remote terminal connection service?
Options: TELNET,    FTP,    RARP,    UDP

Ans:A ,A


The feasibilities studied in preliminary investigation is (are):
Options: technical feasibility,    economic feasibility,    operational feasibility,    All of the above

Ans:D ,D


Human beings are referred to as Homosapiens. Which device is called Silico sapiens?
Options: Monitor,    Hardware,    Robot,    Computer

Ans:D ,D


Which command is used to assign only read permission to all three categories of the file 'note'?
Options: chmod go+r note,    chmod a-rw,    chmod ugo=r note,    chmod u+r,g+r,o-x note

Ans:C ,C


The following method/s are used in Transportation Models of Operations Research:
Options: VogeFs Approximation Method,    North West Corner Method,    Least Cost Method,    All of the above

Ans:D ,D


Which of the following FRUs would be considered both an input/output device?
Options: Video board,    SCSI host adapter,    System board CPU,    All of the above

Ans:B ,B


2.In Microsoft PowerPoint the following will not advance the slides in a slide show view
Options: (A)Esc key (B) The spacebar (C) The Enter key (D) The mouse button

Ans:2. (A),2. (A)


4.In Excel to create a formula, you can use
Options: (A)Values but not cell references (B) Cell references but not values (C) Values or cell references although not both at the same time (D) Value and cell references 21

Ans:214. (D),214. (D)


In Microsoft Word shortcut CTRL+A is to
Options: (A) Select all (B) Highlight a block of text (C) Delete something (D) Paste something 28.

Ans:27. (A),27. (A)


A 32 bit microprocessor has the word length equal to
Options: 2 bytes,    32 bytes,    4 bytes,    8 bytes

Ans:C ,C


An error in computer data is called
Options: Chip,    Bug,    CPU,    Storage devices

Ans:B ,B


A set of well-defined procedures based on mathematical and geometric formulas for solving a problem in a finite number of steps is called:
Options: a permutation,    an algorithm,    arithmetic logic,    a geometric model

Ans:B ,B


7.Memory management is
Options: (A)not used in modern operating systems (B) replaced with virtual memory on current systems (C) not used on multiprogramming systems (D) critical for even the simplest operating systems 23

Ans:237. (B),237. (B)


A global network of millions of business, government, educational, and research networks; computer systems; database; and end users. Select the best fit for answer:
Options: Internet works,    The Internet,    Internet revolution,    Internet technologies

Ans:B ,B


Where is Chitrakut situated?
Options: Maharashtra,    Uttar Pradesh,    Bihar,    Madhya Pradesh

Ans:B,B


If you want to keep track of different editions of a document which features will you use?
Options:  A) Editions, B) Versions, C) Track Change, D) All of above, 

Ans:-B,-B


The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current?
Options: 1750 mA,    17.5 mA,    175 mA,    1.75 mA

Ans:B ,B


The type of model that helps the manager forecast future events is the
Options: physical model,    graphical model,    narrative model,    All of the above

Ans:E ,E


A device that converts thermal energy to electrical energy is called a:
Options: thermocouple,    solar cell,    chemical cell,    piezoelectric devices

Ans:A ,A


Conversion of an octal number 208 to its binary number is
Options: 100002,    101112,    101102,    111102

Ans:A ,A


A method for representing digital data analog signals by changing the phase of the analog carrier to represent the digital information is known as
Options: PIA,    PSK,    PM,    PM

Ans:B ,B


Federation Cup, World Cup, Allywyn International Trophy and Challenge Cup are awarded to winners of
Options: Tennis,    Volleyball,    Basketball,    Cricket

Ans:B,B


. When you see a cell with a red triangle in the top right corner, what does this signify?
Options: a. There is an error in the cell b. There is a comment associated with the cell c. The font color for text in the cell is red d. A formula cannot be entered into the cell

Ans:– b,– b


When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):
Options: LIKE only.,    IN only.,    NOT IN only.,    Both IN and NOT IN.

Ans:D ,D


3.UNIX was developed by
Options: (A)Bell Labs for PDP-7 in 1970 (B) Microsoft for IBM computers (C) Macintosh (D) None of these. 19

Ans:193. (A),193. (A)


. RD command are used to
Options: a. Remove an empty directory b. Remove non empty directory c. Remove directory including files d. None of the above

Ans:9 – a ,9 – a


Which of the following terms applies to communication between separate computer systems?
Options: Computer literacy,    Power supply,    Applications software,    Connectivity

Ans:D ,D


. What is the shortcut key to insert current date in a cell?
Options: a. CTRL + D b. CTRL + T c. CTRL + ; d. CTRL + /

Ans:– c,– c


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 ,


A required characteristic of an online real-time system is:
Options: more than one CPU,    offline batch processing,    no delay in processing,    All of the above

Ans:C ,C


A language for simulating models of business activity is:
Options: SPSS,    DL/1,    GPSS,    COBOL

Ans:C ,C


Which of the following is false about disk when compared to main memory?
Options: non-volatile,    longer storage capacity,    lower price per bit,    faster

Ans:D ,D


What does that acronym VGA stand for?
Options: Extended Graphics Adapter,    Enhanced Graphics Array,    Video Graphics Array,    Color Graphics Array

Ans:C ,C


What is a NIC?
Options: Netware Intranet Controller,    No Internet Connection,    Network Interface Card,    Network Interference Control

Ans:C,C


. Which of the following symbol sets would be most likely to contain a mathematical symbol such as a degree sign, greater than or equal to, or a Greek letter?
Options: a. Wingdings b. Wingdings 3 c. Webdings d. Symbol

Ans: – D , – D


For Database management one uses
Options: (A) Microsoft Access (B) Microsoft PowerPoint (C) Microsoft Access (D) None of these

Ans:13. (A),13. (A)


How many players are there in Kabbadi team?
Options: 11,    9,    5,    7

Ans:D,D


Stepping motors:
Options: can run at varying speeds,    can be built to index different amounts by changing the pole configuration,    can run both clockwise and counterclockwise,    do not require commutators

Ans:E ,E


158. If a piece of data is stored in two places in the database, then a
Options: (A) Storage space is wasted (B) Changing the data is one spot will cause data inconsistency (C) It can be more easily accessed (D) Both (A) and (B)

Ans:158. (D),158. (D)


Which of the following tool is used to partition your hard drive?
Options: mkfs,    fdisk,    fsck,    mount

Ans:B ,B


You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?
Options: 255.255.255.192,    255.255.255.224,    255.255.255.240,    255.255.255.248

Ans:C ,C


Which of the following term is used in connection with the organisation of files in ALGOL 68
Options: Blow,    Machine,    Biquinary,    Book

Ans:D ,D


. ______ allows you to resize controls, adjust column widths, move columns, and change labels while viewing the actual data in the report.
Options: a. Design View b. Layout View c. Print Preview d. Report View

Ans:4 – b ,4 – b


The islands of Seychelles are located in the
Options: Arctic Ocean,    Atlantic Ocean,    Indian Ocean,    Pacific Ocean

Ans:C,C


A multiple-form file management system
Options: lets you define different forms for different operations,    lets you create a look-up form with an associated read-only password to prevent access by unauthorized users,    both (a) and (b),    allow you to entry data in all the forms

Ans:C ,C

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