The Significance of Computer Networks

What is the main idea of the text?

• Computer networks are responsible for most cyber crimes.

• Computer networks are harmful to global communication.

• Computer networks are essential infrastructures that support global progress.

• Computer networks only help businesses grow.

• Computer networks should be avoided due to security risks.

According to the text, what is one major benefit of computer networks?

• They limit international cooperation.

• They make communication more difficult.

• They allow people to connect globally and share information easily.

• They prevent access to information.

• They replace traditional education entirely.

The word "indispensable" in paragraph 1 is closest in meaning to _____

• A. unnecessary

• B. essential

• C. temporary

• D. replaceable

• E. limited

In the sentence "In essence, networks democratize knowledge and drive innovation", the word "democratize" means _____

• to restrict

• to control

• to make accessible to everyone

• to make expensive
  
  

• to protect

The word “proliferation” in paragraph 4 refers to _____

• disappearance

• rapid spread or increase

• reduction

• protection

• prevention

What is the main purpose of the text?

• To describe the history of fire extinguishers

• To explain how to make a fire extinguisher

• To give information about the types and uses of fire extinguishers

• To advertise a new fire extinguisher brand

• To tell a story about a fire accident

Which type of fire extinguisher should be used for electrical fires?

• Water extinguisher

• Foam extinguisher

• CO₂ extinguisher

• Dry chemical extinguisher only for gas

• Steam extinguisher

What does the letter “A” in the PASS technique stand for?

• Apply water

• Alert someone

• Aim the nozzle at the base of the fire

• Avoid the flames
  
  

• Act quickly

Why should you check the fire extinguisher regularly?

• To make sure it looks new

• To ensure it still works properly and is not expired

• To keep it clean and shiny

• To decorate the room

• To avoid using it

What does the word “portable” in paragraph 1 most likely mean?

• Heavy and large

• Easy to move or carry

• Difficult to use

• Fixed in one place

• Dangerous