task 2: Điền từ vào chỗ trống

…….. are designed to be worn on the body or integrated into the user’s clothing.

... is software that displays unwanted advertisements on your computer.

is a type of malware that prevents you from using your computer or accessing specific files on your computer unless a ransom is paid.

An operating system has three main functions: manage the computer's resources, such as the central processing unit, …………………………, disk drives, and printers, establish a user interface, and execute and provide services for applications software.

 Electronic communication is fast, ………………………………... and convenient, but these attributes contain inherent disadvantages.

... enable us to extract the finish product from the system.

..,.is a set of instructions, called a program, which tells the computer what to do.

.. means copying data to another place so that you don’t lose it.

A ……………………………….. can manage any type of data, including text, numbers, images, sound and video and hyperlinks (links to websites).

A ……………………………….. connects computers over a relatively short distance, allowing them to share data, files, and resources.