3rd Class Computers Science Better Ways of Using Computers Question Bank

done Better Ways of Using Computer Total Questions - 10

• question_answer1)
  Given below is the information about computer and correct posture. Identify the correct statement.

  1. Centre the screen directly in front of you, above your keyboard.

  2. Adjust .the seat height so your feet are flat on the floor.

  3. After every hour of work, you should close your eyes for at least 10 minutes.

  4. Sit at least 20 inches (or an arm length) away from the computer screen.

  A)
   1 & 2 are correct done clear
  B)
   3 & 4 are correct done clear
  C)
   1, 3, & 4 are correct done clear
  D)
   All are correct done clear
  E)
   None of these done clear
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• question_answer2)
  Peter explaining Sunila. What is the right posture of sitting while using computer. Which of the following explanations about right posture are correct?

  1. You should sit up straight in front of computer.

  2. Try to keep arm at right angle at most times while using keyboard and mouse in the front of computer.

  3. You may use your phone kept on shoulder while you sit on the chair.

  A)
   1 & 2 are correct        done clear
  B)
   2 & 3 are correct done clear
  C)
   1 & 3 are correct        done clear
  D)
   All are correct done clear
  E)
   None of these done clear
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• question_answer3)
  Waugh does not know anything about the computer ethics. He asks Hamilton about computer ethics. Hamilton has given him a list of computer ethics. Read the list given below and identify which is/are correct?

  1. Do not use computers to steal other's information.

  2. Do not access files without the permission of the owner.

  3. You can copy copyrighted software without the author's permission.

  4. Always respect copyright laws and policies.

  A)
   2 and 3                       done clear
  B)
   1, 2 and 4 done clear
  C)
   1 and 3                       done clear
  D)
   1, 2, 3 and 4 done clear
  E)
   None of these done clear
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• question_answer4)
  Match the following:

  S.No.	A	S.No.	B
  1.	Eyes should be	i.	When keying
  2.	Keep wrists straight	ii.	Should be under the desk
  3.	Legs	iii.	Away 20 inches

  A)
   1\[\to \]i, 2\[\to \]ii, 3\[\to \]ii                done clear
  B)
   1\[\to \]iii, 2\[\to \]ii, 3\[\to \]i done clear
  C)
   l\[\to \]ii, 2\[\to \]i, 3\[\to \]iii    done clear
  D)
   1\[\to \]ii, 2\[\to \]iii, 3\[\to \]i done clear
  E)
   None of these done clear
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• question_answer5)
  Select the correct statement:

  1. Relax when sitting into your chair, making sure you have your bottom against the set back your shoulder blades are touching the back rest of the chair.

  2. Never sit at the computer for more than 40 minutes.

  3. Arms should be flat and your elbows level with the desk or table you are using.

  A)
   1 and 2 are correct done clear
  B)
   2 and 3 are correct done clear
  C)
   Only 3 is correct done clear
  D)
   All are correct done clear
  E)
   None of these done clear
  View Solution play_arrow

• question_answer6)
  Constantly looking at the monitor can put strain on your eyes and it may also causes blurred vision, slow in focusing, double vision, headache etc. So you should maintain at a distance of ______ inches from monitor.
  A)
   15-20                          done clear
  B)
   20-25 done clear
  C)
   25-30                          done clear
  D)
   35-50 done clear
  E)
   None of these done clear
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• question_answer7)
  What is the correct method of cleaning a mouse?

  1. Using a dry microfiber cloth, remove any remaining moisture from your house.

  2. If there are loose particles stuck underneath the scroll wheel, turn the mouse upside down and roll the scroll wheel to help dislodge anything that may stuck inside.

  3. Disconnect the mouse from the computer and clean it with warm soapy water.

  A)
   1 & 2 are correct        done clear
  B)
   2 & 3 are correct done clear
  C)
   1 & 3 are correct        done clear
  D)
   All are correct done clear
  E)
   None of these done clear
  View Solution play_arrow

• question_answer8)
  Select the correct statements:

  1. Do not access someone system or computer without the permission of the owner

  2. For laptop used in home, it is a good idea to buy a normal keyboard and mouse plug in, as this makes it much easier to use the laptop in a more 'back friendly manner'.

  3. When. sitting and concentration on the screen for so long-, we do not need to be aware about the position.

  A)
   1 and 2 are correct                done clear
  B)
   2 and 3 are correct done clear
  C)
   1 and 3 are correct                done clear
  D)
   All are correct done clear
  E)
   None of these done clear
  View Solution play_arrow

• question_answer9)
  What are the safety precautions or methods while using computer? Select the correct statements:

  1. Always fully shut down and unplug the computer.

  2. Don't ever try to clean any part of your system unit with any liquid detergents or cloths.

  3. When making cabling connections of any kind don't pressure or never excessive force.

  A)
   1 and 3 are correct                done clear
  B)
   2 and 3 are correct done clear
  C)
   1 and 2 are correct                done clear
  D)
   All are correct done clear
  E)
   None of these done clear
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• question_answer10)
  We are living in an era of technology. Now a days, the human being is becoming more and more dependent on machine. Despite that it has few disadvantages and also harmful to human being. Which one of the following is/are major problem:

  1. Lack of physical activity

  2. Causes poor blood circulation

  3. Can result in overeating and obesity

  4. Poor posture causes body-ache

  A)
   1 and 2 are correct                done clear
  B)
   2 and 3 are correct done clear
  C)
   3 and 4 are correct                done clear
  D)
   All are correct done clear
  E)
   None of these done clear
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