1. Computer Safety Precautions
STD: VI
Subject : Computer
=================================================================
Q.1) Fill in the blanks
1) The keyboard should be placed at an appropriate height and angle.
2) Make sure that your keyboard is close to you.
3) Make sure that your shoulders are relaxed.
4) Do not touch the computer with wet hands.
5) You can follow the 20-20-20 rule.
6) Whenever you visit an unknown site apply caution.
7) Reputable websites generally have few ads.
8) Use the correct words and grammar when sending messages to anyone.
9) Adult supervision is necessary.
10) Practice proper etiquette when typing.
11) Access only safe sites to prevent malware infections.
12) Shut down the computer properly.
13) Report any problems with your computer lab to the teacher.
14) Do not remove or disconnect any cable.
15) Sit properly in front of your computer.
16) Sit down wait for the teacher's instruction.
17) Do not insert any objects into the computer.
18) Do not play play and jump inside the lab.
19) Do not take food or drinks into the lab.
20) Keep the lab clean and tidy.
21) Place the keyboard directly in front of you.
22) Place your hands on the keyboard and make sure that they are in line with your elbows.
23) Position the monitor at latest 20 inches from your eyes.
24) Many applications can noly be installed and used if the user is 18 years of age or older.
25) if there is a lot of light around you, use a glare-reduction filter in the screen.
=============================================
Q.2) Write True or False
1) Do not use a computer for two long. - True
2) Do not eat near computer. - True
3) Push your hips as far back as possible in the chair. - True
4) When using the computer the keyboard should be placed at an appropriate height and angle. -True
5) Place the keyboard directly in back side of you. - False
6) Reputable websites generally have a more ads. - False
7) Many applications can only be installed and used if the user is 12 years of age or older. - False
8) Use the correct words and grammar when sending messages to anyone. - True
9) Make sure that your shoulders are relaxed. - True
10) The keyboard should be as far as possible from you. - False
11) Avoid using computer when the lights are switched on. - False
12) While sitting in front if the computer, your feet should be keep straight ahead. - False
13) Typing in all capital letters is a bad etiquette. - True
14) A warmer colour temperature is for dark environments.- True
15) As a minor, you should not use the computer without adult supervision. - True
============================================
Q.3) Match the following
|
A |
Answer |
|
1.
Few ads |
e.
Reputable websites |
|
2.
Computer for long time |
c.
20-20-20 break |
|
3.
Trustworthy sites |
a.
no errors in spelling or grammar |
|
4.
Cyber bullying |
b.
stranger group |
|
5.
Google and Bing |
d.
safest websites at the top |
=============================================
Q.4) Answer in one sentence
1) Why proper posture must be maintained?
Ans- A proper posture must be maintained to prevent any back injuries.
2) How keyboard should be placed?
Ans- The keyboard should be placed at an appropriate height and angle.
3) What happens if the keyboard is not properly positioned?
Ans- It can cause a lot of stress on the wrists and fingers which can lead to a sprain.
4) Why to adjust the armrests?
Ans- Adjust armrests so that your shoulders are relaxed while working.
5) Which are the safest websites?
Ans- When searching for websites, search engines such as Google and Bing usually list the
safest websites at the top.
6) Which websites have few ads?
Ans- Reputable websites generally have few ads.
7) How to identify trustworthy sites?
Ans- The most trustworthy sites have little to no errors in spelling or grammar.
8) Why adult supervision is necessary?
Ans- Adult supervision is necessary because minors are generally not aware of the threats
lurking on the internet.
9) What precautions will we use to keep computer work properly?
Ans- 1) Do not touch the computer with wet hands.
2) Do not eat near a computer
3) Do not use the computer for too long.
10) What is the 20- 20- 20 rule?
Ans- The 20-20-20 rule means that after every 20 minutes of working, take a break of 20 seconds and focus on an object 20 feet (6m) away.
=================================================================
