Answer the questions: 1. What does the term “computer” describe? 2. What are five components of computer system? 3. What is connectivity? 4. What’s the difference between hardware and software?

1. A computer is a programmable device for storing and processing data.

2. Five basic components of computer system are input unit, output unit, storage unit, CPU (central processing unit), ALU (arithmetic & logic Unit) and control unit.

3. Connectivity is the transfer of information between computer devices (hardware and software).

4. The difference is that the hardware is a set of electronic and mechanical devices located in the computer case (and not only) and necessary to run PC (and expand its functionality), and the software is a set of programs stored in the computer's memory.

if you have a best friend you can always rely on him. if you have trouble, he will always be there and always help.

we are reading a sci-fi story about aliens these days.

1. who is reading a sci-fi story?

2. are we reading a sci-fi story?

3. what are we reading?

4. when are we reading a sci-fi story?

5. what story are we reading?

6. what is the story about?

7. is the story about aliens or about animals?

8. we are reading a sci-fi story about aliens, aren't we?