Form 1 Computer Studies Questions and Answers on Computer Systems
What are the functions of control unit?
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Explanation/Answer Text:
-Controlling input of data to, from and within the main memory.
-Controlling and cording various parts of the computer system such as the main memory, arithmetic logic unit (ALU) and the peripheral devices using control signals.
- Retrieving and decoding program instructions from the internal storage in their correct sequences.
-Fetching the next instruction to be executed from the main memory. Monitoring problems such as equipment malfunction, illogical instructions and displaying them on the screen or giving warning sound for further instruction or corrective measures.
-Controlling and cording various parts of the computer system such as the main memory, arithmetic logic unit (ALU) and the peripheral devices using control signals.
- Retrieving and decoding program instructions from the internal storage in their correct sequences.
-Fetching the next instruction to be executed from the main memory. Monitoring problems such as equipment malfunction, illogical instructions and displaying them on the screen or giving warning sound for further instruction or corrective measures.
Questions/Lessons List
1. Give three differences between a CTR and a flat panel screen. ( free lesson)
2. Define the term computer system. ( free lesson)
3. List two ways in which software can be acquired. ( free lesson)
4. Give three advantages of a monitor as an output device. ( free lesson)
5. Give three disadvantages of monitor as an output device. ( free lesson)
6. Explain three factors to be considered when choosing a monitor. ( free lesson)
8. What are the functions of control unit? ( free lesson)
9. What are the functions of the Arithmetic logic Unit (ALU)? ( free lesson)
10. Describe any two forms of computer system outputs. ( free lesson)
