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Assignment 4: Review Questions (Chapters 1-4)
Read Chapters 1-4. Then answer the following questions.
1. Define hardware and software.
2. List all input and output devices.
3. Describe the central processing unit (CPU). What roles
does it play in a computer system?
4. Why is secondary storage necessary? Describe the most
common forms of secondary storage.
5. When people call software user friendly, what do they
mean?
6. Is an operating system a hardware or software? What
is it? What are three main functions of operating system?
7. Name and describe the functions of two parts of the
central processing unit.
8. How does memory differ from secondary storage?
9. Describe the steps in the execution of the instructions
in a program.
10. Explain why the binary system is used to represent data for the
computer.
11. Define the following: bit, byte, kilobyte, megabyte, gigabyte,
and word.
12. What is ASCII code?
13. What are the advantages and disadvantages of semiconductor storage
(RAM)?
14. Define the following: RAM and ROM.
15. What is hard copy? What is soft copy?
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