Vocabulary quiz.
1. In groups of three, write answers to these questions. The winners are the group that answers the most questions correctly in three minutes.
| 1. What are the main parts of the CPU? 2. What is RAM? 3. What memory section is permanent and contains instructions needed by the CPU? 4. What information is lost when the computer is switched off? 5. What is the meaning of the acronym SIMM? 6. What is a megahertz? | 
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7. What is the ALU? What does it do?
8. How can we store data and programs permanently?
2. Solve the clues and complete the puzzle with words from the Key Information Section.
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| 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 between different parts of a PC. 7. ……. cards improve the computer's performance. |
- The ……. uses ROM to control the input/output of data.
- The main printed circuit board is called the …….
Down: The brain of a computer
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