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Exploring Technology in Grade 11

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Một số ngành nghề phổ biến trong lĩnh vực cơ khí chế tạo

a)

Luyện kim ,khai khoáng ,thiết kế kỉ thuật cơ khí

b)

Gia công cắt gọt kim loại ,chế tạo khuôn mẫu,hàn ,rèn nguội

c)

Thiết kế kỉ thuật cơ khí , gia công cắt gọt kim loại,chế tạo khuôn mẫu,hàn ,rèn

d)

Khai khoáng ,thiết kế kỉ thuật cơ khí,gia công cắt gọt kim loại ,chế tạo khuôn mẫu ,hàn

2.

Vật liệu nào hay bị oxi hoá,chịu ăn mòn kém trong các môi trường acid ,muối

a)

Nickel và hợp kim của nickel

b)

Nickel và hợp kim của nhôm

c)

Đồng và hợp kim của đồng

d)

Sắt và hợp kim của sắt

3.

Thép và carbon là hợp kim của sắt và carbon với tỏ lệ phần trăm của carbon

a)

>2,14

b)

>=2,14

c)

<=2,14

d)

<2,14

4.

Define the term 'network topology'.

a)

Network topology refers to the speed of data transmission.

b)

Network topology describes the software protocols used in networking.

c)

Network topology is the type of hardware used in a network.

d)

Network topology is the arrangement of elements in a computer network.

5.

What are the advantages of using cloud storage?

a)

Requires constant internet connection

b)

High maintenance costs

c)

Limited storage capacity

d)

Advantages of using cloud storage include accessibility, scalability, cost-effectiveness, automatic backups, and collaboration features.

6.

Describe the process of data encryption.

a)

Data encryption is the method of backing up data to prevent loss.

b)

Data encryption is the process of storing data in a database.

c)

Data encryption is the process of converting plaintext into ciphertext using an algorithm and a key.

d)

Data encryption involves compressing data to save space.

7.

What is the purpose of a firewall in network security?

a)

To enhance the visual appearance of network interfaces.

b)

To provide a backup for data storage in the network.

c)

To increase network speed by optimizing traffic flow.

d)

The purpose of a firewall in network security is to protect the network by controlling traffic and preventing unauthorized access.

8.

Explain the concept of artificial intelligence.

a)

Artificial intelligence is the simulation of human intelligence in machines that can think, learn, and make decisions.

b)

Artificial intelligence refers to the emotional intelligence of humans.

c)

Artificial intelligence is a type of computer hardware.

d)

Artificial intelligence is the study of ancient civilizations.

9.

What are the main components of a computer system?

a)

The main components of a computer system are CPU, memory (RAM), storage, and input/output devices.

b)

Operating system, antivirus, web browser, and email client

c)

Network cables, printers, speakers, and monitors

d)

Graphics card, motherboard, power supply, and software

10.

How does the internet facilitate communication?

a)

The internet only allows for one-on-one communication.

b)

The internet is primarily used for storing data rather than communication.

c)

The internet slows down communication between people.

d)

The internet enables instant and diverse communication across the globe.