Instructions: Answer ALL questions 1. Describe the component of computer hardware 2. Your school wants to buy computers. Discuss some of the issues you would consider in terms of hardware, operating system and application software. 3. List and explain the basic functions that an operating system can perform 4. What is virtual memory? Why was it developed? 5. Explain the major role of the CPU in a computer system 6. A computer malware is regarded as a threat to computer users. Briefly explain what is a computer malware. List different types of malware, how can they be propagated? 7. Describe briefly ways of dealing with computer malware. 8. Explain four (4) ways how information held on a computer system is protected from unauthorized access? 9. Explain four (4) tasks of file management a user frequently performs in Window Explorer. 10. Word processing packages like MS WORD has a feature called Mail Merge. What is Mail Merge and why is it important? 11. Automatic Table of Content is another feature of MS WORD. Explain briefly this feature. Give two benefits of using this feature when editing a document. 12. MICR and OCR devices are similar in that both types of machines convert source document data directly into computer usable input. How do these machines differ? 13. What is a search engine? 14. List five (5) examples of commonly used search engines. 15. Explain what is meant by computer networking. Benefits of computer networks. Types of computer networks.