Computer systems

Computer systems
Lesson 1. Vocabulary
1 Activity. Label the diagram with correct items 1-11
1 monitor
2 case
3 motherboard
4 CPU (Central Processing Unit or Processor)
5 main memory (RAM)
6 expansion cards (video, graphic)
7 powe r supply unit
8 optical disk drive
9 hard disk drive 10 keyboard 11 mouse

2 activity. March the sentence halves 1-8 to a-h .

3 activity Look at the numbers on the pictures and write computer parts vocabulary in the crossword puzzle.

4 activity Macht column A with the corresponding item in column B. Write the letter of your answer for each number in


Gui icon Recycle Bin Start menu. Task bar
Windows tool bar Scroll bar Wallpaper title bar

5 activity. Fill in the blank with the correct answer from the box. Some may be used more than once or not at all.

1. You put things in the .............. that you no longer need or want.

2. A ........ uses graphics or pictures to help the user navigate and access programs.
3. The Start Menu and clock are found on the ............
4. An ......... is a small picture that links to a file or program.
5. At the top of each window, the ............ contains the title and buttons to close, minimize and resize.
6. Moving the .......... up or down allows you to see all of the information in a window.
7. Programs and applications run inside ........... that can be opened, closed or resized.
8. The .......... is like a backdrop on your desktop that can be changed.
9. Found below the menu bar in some windows, the ............. contains icons or options that allow you to perform specific tasks.
10. The ............ contains basic operations such as run, shut down, log off and find.


Lesson 2 Reading . Listening . Speaking. Writing
6 activity Read the text carefully .



7 activity. Read the fact file . Are the sentences true or false ?
1. Early computer were very big and could do maths. .........
2. Alan Turing had the idea for a computer you could program .........
3. Alan Turing invented the microchip in 1958 .......
4. Microchip are very small and store lots of information .......
5. People started to use computer at home in the 1970s ............
6. The world wide web was invented in 1979.........
7. The first computer mouse was made of plastic.............

8 activity . Listen and complete this dialogue .

9 activity Looke at the pictures A-F. Describe What is happening. Example: He is moving.....

10 activity Write several sentences saying what you and your collegues are doing at the moment in your work or study.