Brilliance college tutorials : computer Awareness

Here we share some of the hot tips regarding computer. This may help you to prepare the competitive examinations like kerala PSC secretariat assistant exam, various Bank tests etc. 

1. correcting errors in a program : Debugging

2.The first page of a website : Home Page

3.The bank cheques use the principle of : MICR - Magnetic Ink Character Recognition

4. What is e-commerce : Buying and selling products and services over the internet

5. A person who used his or her expertise to gain access to other people’s computers to get information illegally or do damage is a .........: Hacker

6.What is a junk e-mail? : An unsolicited mail from an unknown sender. Junk email is spam

7. Windows 95, Windows 98 and Windows NT are known as : an Operating System

8. A ______ is a set of rules : Protocols

9. A file with extension “.dox” can be made by the use of software ______ : Word 2007 

10. What is an embedded system : A computer and software system that controls a machine or appliance

11. Most application software today comes with and interface called a(n) : Graphical User Interface (GUI)

12.A compiler translates a program written in a high level language into : Machine Language
13. Inorder to save an existing document with a different name you need to use: Save as command
14. Ctrl, Shift and Alt are called ______ keys : Function
15.  Every component of your computer is either : Hardware or Software
16. How many write cycles are allowed to EEPROM? 1000
17. EEPROM ______ : Electrically Erasable Programmable Read Only Memory
18.  The connection between your computer at home and your local ISP is called ____ : The last mile
19. A repair for a known software bug, usually available at no charge on the internet, is called ______ : Patch
20. Vendor-created programme modifications are called ______ : Patches
21. Computer virus is ______ : Computer Program
22. Which is the part of a computer that one can touch and feel : Hardware
23.Data that is copied from an application is stored in the ______ : Clipboard
24.  ______ refers the fastest, biggest and most expensive computer : Super Computer
25. Soft Copy refers to :Screen Output
26. If the URL http/www.prenhall.com, the portion labelled http is the ______ : Host (HTTP - Hyper Text Transfer Protocol)
27.  Permanent instruction that the computer uses when it is turned on and that cannot be changed by other instructions are contained in : ROM - Read Only Memory. It is non-volatile
28. What is the most common way to get a virus in your computer’s hard disk? By opening e-mails
29. A(n) ______ allows sharing of a broadband internet connection : Router
30. Who is the founder of face book? Mark Zuckerbegs
31. The Internet is ______: a large network of networks
32. What are .bas, .doc and html ______ : extensions
33. You can keep your personal files/folders in ___ : My documents
34. The rectangular area of the screen that displays a program, data or information is a ______ : Window
35. Same thing which has easily understood instructions is said to be ______ : User friendly
36.  Cache and main memory will lose their contents when the power is off. They are : Volatile
37. A pattern of printed lines on most products are called : barcodes
38.  The ______ becomes different shapes depending on the task you are performing : Mouse pointer
39.  Latest version of MS Office is : Office 2007
40. What is the name of latest server operating system developed by microsoft : Windows 2008
41. Memory is made up of _______ : Large number of cells
42.  Most mail programs automatically complete the following two parts in an e-mail : From and Date
43. Micro processor was introduced in which generation of computer? : Fourth Generation
44. The most powerful type of computer is : Super Computer
45. The acronym DBMS stands for what? :Data Based Management System
46. Computers process binary numbers which are composed of : 1s and 0 s 
47.  A ______ represents approximate one billion memory location : Giga byte
48. The common storage device for the personal computer is the : Hard disk drive
49. Computer that are portable and convinient for users who travel are known as : Laptops
50. URL stands for :Uniform Resource Locater
51. Which menu is MS word can be used to change page size and type face? : Format
52. The first electronic computer in the world was : ENIAC (Electronic Numeric Integrator and Calculator)
53. A computer whcih CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as:  Super Computer
54. When did arch rivals IBM and Apple computers inc decide to join hands?: 1991
55. Main memory works in conjunctions with: CPU
56. An assembler is used to translate a program written in: Assembly Language
57. The ______ settings are automatic and standard : Default
58.When a computer suddenly stops working, it is said to be :Hanged
59. A CD-RW disk: can be erased and re-written
60. For sound recording, what is necessary : Microphone
61.  A program that works like a calculator for keeping track of money and making budgets is used a : Spread sheet
62. The acronym HTML stands for :Hyper Text Mark up language
63. To restart the computer ______ key is  used: Alt + Ctrl + Del
64. LAN stands for: Local Area Network
65. A micro processor is the brain of the computer and is also called : Microchip
66.  WWW stands for:  World Wide Web
67. A popular way to learn about computer without evergoing to a classroom is called : e-learning
68.  What is the another name for a chip Silicon Chip, Integrated circuit, : semiconductor
69.  Digital photos and scanned images are typically stored as graphics with extension such as .bmp, .png, .jpg, .tif or .gif : bitmap
70. How many characters can be typed in a single cell Excel? 65,535
71. A ______ is an unique name that you give to a file of information.: Filename
72.  If you wish to extend the length of the network without having the signal degrade you would use a:  repeater
73. The ______ is the term used to describe the windows that is currently being used : Active Window
74.  Smallest storage unit of a computer is : bit
75. The ______ controls communications for the entire computer system : Mother Board
77. RAM is reffered to as storage : Volatile
78. What is the name of list that stores the URL’s of web pages and links visited in past fewdays. History list
79. Which type of commerce is characterised by low volume and high value transactions in Banking: B2B (Business to Business) 

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Every Day Science : Physics Paper 2


1. Which of the following is a derived unit ?
A. Mass B. Length C. Time D. Velocity

2. Which part of the sun is visible during total solar eclipse
A. corona B. chromosphere C. photosphere D. No part

3. The Father of electricity is :
A. Kamerlingh Onnes B. Issac Newton C. Albert Einstein D. Michael Faraday

4. One horse power is equal to –––– watts.
A. 764 B. 754 C. 745 D. 746

5. A man sitting in a train in motion is facing the engine. He tosses a coin up, the coin falls
behind him. The train is
A. moving forward with uniform speed B. moving backward with uniform speed
C. moving forward with acceleration D. moving forward with deceleration

6. Speedometer of an automobile measures
A. average velocityB. acceleration C. instantaneous speed
D. instantaneous velocity

7. The SI unit of work is
A. Joule B. Watt C. Calorie D. Ampere

8. The study of friction and lubricants is
A. Astrophysics B. Dynamics C. Optics D. Tribology

9. In long jump (distance is measured only horizontally) a person who jumps at an angle ——
—— to ground has greater probability of winning.
A. 450 B. 900 C. 300 D. 600

10. Who proposed atomic theory ?
A. John Dalton B. Neils Bohr C. Chadwick D. Rutherford

11. When ice melts, its volume
A. increases B. decreases C. remains the same
D. first decreases then increases

12. Three primary colours of light are
A. Red, green, blue B. Red, yellow, green C. Red, yellow, blue D. Green, blue, yellow

13. The gravitational pull exerted by the earth is maximum at the
A. South pole B. North pole C. Antartic circle D. Equator

14. Solar eclipse occurs on
A. full moon day B. new moon day C. half moon day D. none of these

15. The foul air we exhale in a room is
A. cooler and hence lighter B. warmer and hence heavier
C. warmer and hence lighter D. cooler and hence heavier

16. Factor which decides the climate of a place
A. Latitudes B. Distance from the sea C. Rotation of the earth
D. Longitude

17. Ozone layer above the earth is between
A. 20 and 35 km B. 60 and 80 km C. 80 and 110 km D. 75 and 100 km

18. The highest science award in India
A. Bhabha award B. C.V. Raman award C. S.S. Bhatnagar award
D. Chanakya award

19. Who invented MASER
A. Charles H. Townes B. Theodore Maiman C. James Harrison
D. Alexander Catlin

20. INSAT – 2C was launched from ——
A. Thumba B. Hanoi C. Kourou Island D. Ottawa

21. The power of an ordinary torch cell is
A. 0.5 V B. 2.5 V C. 1.5 V D. 1.1 V

22. Light year is the unit of
A. time B. speed C. distance D. year

23. The first known source of a magnet was discovered in
A. Asia Minor (Turkey) B. Iran C. Gold Coast D. Bombay high

24. In a Doctor’s stethescope, the sound is intensified because of
A. Resonance of sound B.Constructive interference
C. Principle of super position of waves D. Reflection of sound

25. In colder regions, the thermometer used to measure temperature is
A. wet and dry bulb hygrometer B. Mercury thermometer C. Gas thermometer
D. Alcohol thermometer

26. What type of energy does a compressed spring possess ?
A. Kinetic B. potential C. thermal D. magnetic

27. If the temperature of a patient is 400C, his temperature on the Fahrenheit scale will be
A. 1040F B. 720F C. 960F D. 1000F

28. A simple microscope consists of ———
A. concave lens B. plano concave lens C. convex lens D. cylindrical lens

29. Short sightedness can be corrected by ——
A. convex mirror B. concave lens C. plane mirror D. concave lens

30. When temperature increases, the velocity of sound—
A. increases B. decreases C. will not change
D. increases and then decreases

31. Intensity of a sound is measured in ———
A. Hertz B. Decibel C. miles/second
D. periodicity and regularity

32. Loudness of sound depends upon its ——
A. wave length B. frequency C. amplitude D. overtones

33. Which of the following is most elastic ?
A. Steel B. Glass C. Aluminium D. Rubber

34. In a periodic table, the horizontal rows are called——
A. periods B. groups C. series D. none of the above

35. Photo electric effect was first explained by —
A. Rutherford B. J.J. Thomson C. Bohr D. Einstein

36. Henry Bequeral discovered ––––––
A. field emission B. natural radioactivity
C. Artifical radioactivity D. a, b, and g - rays

37. Control rods used in nuclear reactors are made of ——
A. stainless steel B. graphite C. cadmium D. plutonium

38. 1 Quintal = ———— kilograms
A. 100 B. 1000 C. 10000 D. 10

39. The weight of diamond is determined by an unit called –––––
A. Carat B. Gram C. Litre D. Mohs

40. Under what condition does a lunar eclipse takes place?
A. The earth comes between the sun and the moon
B. The moon comes between the sun and the earth
C. The sun comes between the earth and the moon
D. The sun, moon and earth are in straight line in any order

41. ———— is called the twin planet earth
A. Mars B. Uranus C. Mercury D. Venus

42. Which of the following is uses as a heating element
A. Silver B. Copper C. Nichrome D. Tin

43. Dr. Abdul Kalam was awarded the ‘Bharat Ratna’ in 1997 for
A. Missile Technology B. Nuclear Research C. War gallantry
D. Food Technology

44. The technique used to transmit audio signals in television broadcast is
A. Amplitude modulation B. Frequency modulation
C. Pulse code modulation D.Time division multiplexing

45. Sunlight filtering through a tree often makes circular patches on the ground because
A. the space through which light penitrates B. due to polarization of light
C. due to interference of light D. due to diffraction phenomenon

46. Reflectors used in solar cookers are
A. convex B. concave C. plane D. cylindrical

47. Which one of the following element is seen abundantly in solar system ?
A. Helium B. Hydrogen C. Oxygen D. Nitrogen

48. The working principle of the ink filler is
A. The pressure outside the bottle acts on the filler
B. The expansion of the filler
C. The cylindrical structure of the filler
D. The atmospheric pressure acts on the surface on the ink

49. Dentist’s mirror is a
A. Cylindrical mirror B. Plane mirror C. Convex mirror D. Concave mirror

50. A rainbow is formed by the ——— of light by water droplets
A. disperson B. scattering C. total internal reflection
D. disperson and total internal reflection.

51. National Science Day is observed on 28th February to commemorate
A. Bhabha’s birthday B. The day of declaration of Raman Effect
C. Launching of the first Indian Satellite Aryabhatta
D. Successful launching of PSLV

52. Hypermetropia can be corrected by using ——
A. concave lens B. convex lens C. plano concave lens D. plano convex lens

53. When was the first Atomic Energy Commission set up in India ?
A. August 10, 1948 B. August 12, 1950 C. August 1, 1949 D. August 20, 1951

54. India conducted the first nuclear explosion in the year
A. May 18, 1974 B. May 11, 1998 C. May 13, 1998 D. May 12, 1988

55. Which of the following is the best conductor of electricity?
A. Cold water B. Warm water C. Saline water D. Distilled water

56. Which sector in India uses coal in maximum quantity?
A. Railway B. Thermal plants C. Refineries D. Transport

57. The density of water is maximum in
A. 00C B. 40C C. 250C D. 1000C

58. The farthest object in solar system is
A. Neptune B. Pluto C. Eris D. Ceres

59. Liquified gas under a pressure of 58 atmospheres is
A. Water gas B. Hard water C. Dry ice D. Soft water

60. The sun’s heat and light energy reaches the earth by
A. conduction B. Convection C. reflection D. radiation

61. Where is the National Physical Laboratory situated
A. Puna B. NewDelhi C. Culcutta D. Bangalore

62. Which of the following is a common constituent of transistor ?
A. Silicon B. Copper C. Beryllium C. Iron

63. When common salt is mixed with ice, the freezing point
A. is lowered B. is raised C. remains unaffected
D. is first lowered and then raised

64. As the train starts moving, a man sitting inside leans backwards because of
A. inertia of rest B. inertia of motion C. moment of inertia
D. conservation of mass

65. Water pipes burst in severe winter at hill stations because
A. they contract on cooling B. water in the pipe contracts on freezing
C. water in the pipe expands on freezing D. pipes expand on cooling

66. An aneroid barometer uses
A. mercury B. alcohol C. distilled water
D. doesn’t use any liquid

67. The ink of the pen leaks out in an aeroplane because
A. atmospheric pressure increases
B. pressure of ink inside is more than the ambient pressure
C. high speed of aeroplane D. temperature difference

68. Perspiration is maximum when temperature is
A. high and air is humid B. high and air is dry
C. low and air is humid D. low and air is dry

69. Sound travels fastest in
A. air B. water C. vacuum D. steel

70. A periscope works by the principle of
A. diffraction B. reflection and interference
C. reflection and refraction D. refraction only

71. An air bubble in water shines because of the phenomenon of
A. reflection B. refraction C. diffraction
D. total internal reflection

72. The pitch of the voice of women is in general
A. higher than that of men B. marginally lower than that of men
C. the same as that of men
D. Some times higher and sometimes lower than that of men

73. A noise level of 20 decibels would correspond to
A. ordinary conversation B. whispering C. Machine sound
D. Supersonic plane’s sound

74. To detect the over speeding vehicles, police use
A. Diffraction of short radio waves B. Refraction of short radio waves
C. Doppler effect of reflected short radio waves
D. Reflection and refraction of short radio waves

75. A choke is fitted along with fluorescent tubes. The choke coil,
A. steps up the line voltage B. steps down the line voltage
C. reduces current in the circuit D. vanishes the low frequency currents

76. The transmission of heat without any carrier in between is
A. conduction B. convection C. refraction D. radiation

77. Atom bomb was discovered by
A. Edward Teller B. Madam Curie C. Baird D. Otto Hahn

78. Which law of Newton defines inertial frames ?
A. First law B. Second law C. Third law D. Both (A), (B) and (C)

79. From the point of view of wave motion, a ray can be defined as an imaginary line draw in
the direction in which
A. the wave is travelling B. the wave is reflected
C. the ray is refracted D. Name of the above

80. A person can view his full-length image in a mirror that is at least ——— his height
A. one-fifth B. one-fourth C. one-third D. half

81. The vacuum in a thermos bottle minimizes heat transfer by
A. Conduction B. Convection C. Radiation D. Absorption

82. What is the colour of the black box kept in the cockpit of an aeroplane ?
A. Orange B. Black C. White D. Red

83. With increase of humidity, the velocity of sound in air
A. decreases B. increases C. fluctuates irregularly D.remains unaffected

84. With increase of height from the surface of the earth the value of ‘g’
A. increases B. decreases C. remains constant D. fluctuates

85. A gyrostatic compass is used in
A. aeroplanes B. ships C. submarines D. All of the above

86. What is the unit of current ?
A. watt B. volt C. Ampere D. Coulomb

87. The net weight of LPG in a domestic gas cylinder supplied is
A. 14.2 kg B. 14 kg C. 15.2 kg D. 15 kg

88. The phenomenon of ———— has been used to test the planeness of surfaces and also to
reduce reflecting power of the lens and the prism surfaces
A. diffraction B. interference C. polarization D. none of the above

89. A thermodynamic system is one which can be described in terms of
A. temperature B. volume C. introphy
D. thermodynamic co-ordinate

90. The process by which solids directly change to gaseous state is
A. Diffusion B. condensation C. Sublimation D. Vapourisation

91. The technique in which 3-dimentional picture of an object can be obtained is
A. LASER B. Holography C. Photography
D. Optical interferrometry

92. Which one of the following is used by the motorist to see the road behind him
A. concave mirror B. convex mirror C. concave lens D. convex lens

93. An astronaut on an earth satellite will observe the sky as
A. deep red B. sky blue C. black D. deep blue

94. The image formed on the retina of the human eye is
A. imaginary and upright B. imaginary and inverted
C. real and upright D. real and inverted

95. The lowest temperature is recorded
A. at midnight B. just after sun rise C. just before sun rise
D. between 4 pm and 5 pm

96. The energy possessed by the water collected in the reservoir of a dam
A. Kinetic energy B. Mechanical energy C. Electric energy D. Potential energy

97. The most important raw material for generation of power in India
A. Uranium B. Thorium C. Radium D. Coal

98. India’s first tactical surface-to surface missle was —
A. Agni B. Trishul C. Prithvi D. Insat – IB

99. ISRO Satellite Centre is at
A. Thiruvananthapuram B. Bangalore C. Sriharikota
D. Trombay

100.An instrument which indicates altitude of a place along with corresponding pressure
A. Anemometer B. Barometer C. Hygrometer D. Altimeter

Answers

1 D; 2 A;  3 D;  4 D;  5 C;  6 C;  7 A;  8 D; 9 A; 10 A; 11 B; 12 A; 13 D; 14 B; 15 C; 16 A; 17 A; 18 C; 19 A; 20 C; 21 C; 22 C; 23 A; 24 D; 25 D; 26 B; 27 A; 28 C; 29 B; 30 A; 31 B; 32 C; 33 B; 34 A; 35 D; 36 B; 37 C; 38 A; 39 A; 40 A; 41 D; 42 C; 43 A; 44 B; 45 D; 46 B; 47 B; 48 D; 49 D; 50 D; 51 B; 52 B; 53 A ;54 A; 55 C; 56 B; 57 B; 58 C; 59 C; 60 D; 61 B; 62 A; 63 A; 64 A; 65 C; 66 D; 67 B; 68 A; 69 D; 70 C; 71 D; 72 A; 73 B; 74 C; 75 A; 76 D; 77 D; 78 A; 79 A; 80 D; 81 B; 82 B; 83 B; 84 B; 85 D; 86 C; 87 A; 88 B; 89 D; 90 C; 91 B; 92 B; 93 C; 94 D; 95 C; 96 D; 97 D; 98 C; 99 B; 100D

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