Label this diagram with the advice 1-8


Generation Key characteristics



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Tasks

Generation

Key characteristics

First generation

(1946-1956)







Third generation

(1964-1971)



Fourth generation

(1971-present)



Fifth generation

(present and beyond)


5. Name the following different types of personal computers.




6. Solve examples


Variant

1

2

3

4

5

6

points

10→16

235

568

124

486

841

336

(3-6)

10→2

168

187

227

145

219

154

(3-6)

2→16

10100100

11101101

10011100

10111001

11000101

11111001

(3-6)

2→8

10110011

10101100

10001110

10101101

10111011

10100101

(3-6)

2→10

11000010

10001000

10101010

10010111

10111101

10011101

(2-6)

16→10

А1СF

9АD4

DС5Е

В74С

6Е7С

2АD4

(3-6)

16→2

3DС

4FА

9D5

7В9

2С6

5FЕ

(4-7)

8→2

7534

6234

2574

1245

3675

1245

(4-7)

Variant

7

8

9

10

11

12




10→16

754

225

678

943

195

445

(3-6)

10→2

130

917

456

457

284

182

(3-6)

2→16

1100100

10011010

10111011

10100110

10101010

11001001

(3-6)

2→8

1001000

11001100

11011110

10011111

10001001

11000010

(3-6)

2→10

1111100

11111000

10011,100

11001010

10100101

11101101

(2-6)

16→10

4Е3F

4А5Е

5С6А

5В6С

9Е4F

6В4D

(3-6)

16→2

6FF

2Е7

4D2

7DС

7 DD

3В5

(4-7)

8→2

6537

5643

4517

2743

2556

6541

(4-7)


7. Answer the following questions.


  1. What tools should you have on your worktable before beginning to work on any computer?

  2. Describe how electronic devices and computer circuit boards must be handled.

  3. Why is it important not to eat or drink in the computer lab?

  4. Why is it important to ventilate the computer lab?

  5. Why is it always important to record settings and configurations before changing them?

  6. What is computer performance?

  7. What is a microprocessor? Describe the factors which affect the performance of it.

  8. Explain the role of the cache memory in a computer.

  9. Define the following devices: input devices, output devices.

  10. Briefly explain the relationship between hardware, software and users.

  11. List main characteristics of the computer. Briefly describe them.

  12. How the signs of numbers in the computer are encoded?

  13. What is the difference between byte and bit?

  14. Are ink jet printers better than laser printers?

  15. What’s the best way to add devices to a computer systems?

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