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| 1. The CPU processes data and 2. The control unit is the part of the CPU that 3. The arithmetic and logic unit is able to make 4. The registers are high-speed storage 5. Data contained in RAM is lost when the computer 6. ROM memory сап only beread: | a. Areas within the CPU. b. you can’t make changes to it. с. controls the way instructions are executed d. the computer is turned off. e. coordinates the other parts of the computer f. calculations: add, subtract; multiply and divide. |
Ex. 4. Solve the clues and complete the puzzle with words from the opposite page.
1. Intel … are used in many 
computers.
2. Each 0 or 1 is called a bit, short for … digit.
3. Special cards can be inserted into expansion ….
4. A … controls the timing within the PC by sending signals to synchronize its circuits and operations.
5. The processor speed is measured in …
6. … carry signals to between different parts of a PC.
7. … cards improve the computer's performance.
8. The … uses ROM to control the input/output of data.
9. The main printed circuit board is called the ….
Down: The brain of a computer
Your ideal computer system
Task 1. Make notes about the features of the computer that you would like to have.
CPU:....................
Speed:..................
Optical disk drives:....................
Minimum/maximum RAM;....................
Monitor:....................
Hard disk:....................
Software:....................
Task 2. Now describe it to your partner.
Useful expressions
It has got …
It's very fast It runs at …
The standard RAM memory … and it is expandable …
The hard disk can hold …
I need a SuperVGA monitor because …
As for the Internet …
Unit 5
UNITS OF MEMORY
READING MATERIAL
T E X T A
Task
a) With a partner, try to answer these questions.
1. How many digits does a binary system use? What is a 'bit'?
2. What is the difference between binary notation and the decimal system?Give some examples.
3. What is a collection of eight bits called?
4. One kilobyte (1K) equals 1,024 bytes.
5. Can you work out the value of these units? {kilo-: one thousand)
1 megabyte = bytes/1,024 kilobytes (mega-: one million)
1 gigabyte = bytes/1,024 megabytes (giga-: one thousand million)
6. What does the acronym ‘ASCII’ stand for? What is the purpose of this code?
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| C) Read the text, translate it and get ready to do the exercises after the text. | | | Ex. 3. Translate these sentences into Russian. |