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

### done Better Ways of Using Computer

•  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

B)  3 & 4 are correct

C)  1, 3, & 4 are correct

D)  All are correct

E)  None of these

•  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

B)  2 & 3 are correct

C)  1 & 3 are correct

D)  All are correct

E)  None of these

•  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

B)  1, 2 and 4

C)  1 and 3

D)  1, 2, 3 and 4

E)  None of these

•  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

B)  1$\to$iii, 2$\to$ii, 3$\to$i

C)  l$\to$ii, 2$\to$i, 3$\to$iii

D)  1$\to$ii, 2$\to$iii, 3$\to$i

E)  None of these

•  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

B)  2 and 3 are correct

C)  Only 3 is correct

D)  All are correct

E)  None of these

• A) 15-20

B) 20-25

C) 25-30

D) 35-50

E) None of these

•  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

B)  2 & 3 are correct

C)  1 & 3 are correct

D)  All are correct

E)  None of these

•  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

B)  2 and 3 are correct

C)  1 and 3 are correct

D)  All are correct

E)  None of these

•  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

B)  2 and 3 are correct

C)  1 and 2 are correct

D)  All are correct

E)  None of these

•  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

B)  2 and 3 are correct

C)  3 and 4 are correct

D)  All are correct

E)  None of these