Kiến thức về máy tính

What is the name of the first mechanical computer?

• Pascaline

• Babbage

• Charle

• Digitus

What technology is the microprocessor based on?

• Vacuum tube

• Large scale integration, consisting of tens of thousands to millions of semiconductor components.

• Simple semiconductor components

• Integrated circuits with hundreds of semiconductor components

Computers have changed the world in many ways. The reason is:

• Computers have self-awareness

• Computers can operate tirelessly, process large amounts of data accurately and at high speed

• Computers are becoming increasingly expensive

• Computers are becoming increasingly cheaper

Digital information is information encoded into:

• Bit sequences

• Pictures

• Electric currents

• Movies

Which of the following actions does not violate ethics, law, and culture when using digital technology?

• Posting false information online.

• Intentionally listening to or recording conversations without permission.

• Gifting a purchased copyrighted music disc to someone else.

• Downloading someone else's presentation from the Internet and using it as your own.

Which of the following actions does not violate ethics, law, and culture when using digital technology?

• Sharing a website address containing unlicensed movies

• Participating in downloading and using pirated software

• Creating a personal page to share your learning experiences

• Filming and spreading videos about school violence.

Hành động nào dưới đây không vi phạm đạo đức, pháp luật và văn hóa khi sử dụng công nghệ kĩ thuật số?

• Chia sẻ địa chỉ website có chứa các bộ phim không có bản quyền sử dụng

• Tham gia tải và sử dụng phần mềm lậu

• Tạo một trang cá nhân để chia sẻ những kinh nghiệm học tập của mình

• Quay và lan truyền video về bạo lực học đường.

What is an absolute address in spreadsheet software?

• A1

• @A@1

• &A&1

• $A$1

Which dialog box is used to sort data?

• Sort

• Filter

• ABC

• Change Data

The formula in cell C1 is =A1*$B$1. After copying the formula from cell C1 to cell C2, what will the formula change to?

• A2*$B$2

• A1*$B$2

• A2*$B$1

• The formula remains unchanged