Ex. 20. Fill in the gaps with the verb to be in the required tense form.

1. There ___ two fundamentally different types of computers: analogue and digital.

2. I turned the volume right up, but there ___ still no sound.

3. Before loading the program, make sure that there ___ enough memory available.

4. How many keys ___ there on the first computer keyboard?

5. There ___ 256 different ways of combining 0 and 1 bits in a byte.

6. ___ there any room for a computer on your desk? Yes, there ___ a lot of room.

7. There ___ an answering machine in our office but it broke down.

8. On this Web site, there ___ the useful information on how to find a job abroad.

9. There ___ no point [смысл] reading the instructions because they ___ completely useless.

10. There ___ 3,000 switches in the Mark I computer to control its operation.