Kiến thức cơ bản về công nghệ thông tin

What is information?

• Information is the understanding of humans about an object, event, or phenomenon through research, exchange, comments, learning, teaching, and perception.

• Information is only data that is processed by computers.

• Information is irrelevant in today's digital age.

• Information is a type of software.

What is data?

• Data is information in the form of symbols, writing, numbers, images, sounds, or similar forms.

• Data is only useful when it is processed by humans.

• Data is the same as information.

• Data cannot be stored.

What are the four stages of information processing on a computer?

• Receiving information

• Processing information

• Outputting information

• Storing information

What is the function of the CPU?

• Calculating

• Data processing

• Managing activities

• All of the above

What does CU stand for in CPU?

What are the components of the CPU?

• Control Unit

• Registers

• Arithmetic Logic Unit

What is the main function of the keyboard?

• To input data

• To control the mouse

• To display output

What is a mouse used for?

• To control the computer

• To input data

• To display output

What is a TouchPad?

• A device to control the mouse on laptops

• A type of keyboard

• A display device

What is a Stylus?

• A device that looks like a pen

• A type of mouse

• A keyboard