When I was searching online stores for a new computer, I noticed that I had a choice of Processor, RAM and operating system (a) Define Operating System (2 marks) (b) Explain the four (4) principal functions of an operating system for a PC (8 marks) (c) List two (2) types of operating systems manufactured by different companies on the market in Zambia (2 marks) (d) If I purchased one of these computers, I would need to purchase a processor chip (CPU) and memory chips (i) Explain three (3) factors (other than cost) that I should consider when purchasing a processor chip (6 marks) (ii) Suitable RAM chips are available in 256MB, 512MB and 1GB sizes. What would happen if I installed only a small memory chip and tried to run a game program that used complex graphics​

Read the following scenario, and then answer the question below. you want to send an e-mail to your boss requesting a meeting to discuss a raise. what is the best example of an e-mail to an employer about this meeting? “hey jason. can we chat about getting me more money soon? let me know. peace, meg.” “hello jason. pardon me for sending yet another e-mail today about my need to talk to you about my position and a possible pay increase. i am dying to know when you can talk. sincerely, meg.” “hello jason. i have been with the company for one year and have taken on more responsibilities than outlined in my job description. i would appreciate an opportunity to speak with you about my position. let me know when we can schedule a meeting. you, meg.” “greetings jason! i hope this e-mail finds you well and happy today. i really, really want to talk to you about something important. i am not sure if you have time. i hope you do. get back in touch with me and let me know when we might talk. ever so much for taking the time to read this. sincerely, meg.”