Understanding the Parts of a computer

    a. What are a computer’s four major functions? b. What is the difference between data and information? c. What is computer hardware? What is computer software? List two types of software. d. What is the difference between RAM and ROM? e. What is CPU? f. What is Ergonomics? How do you set up computer to avoid strain and injury? g. What are bits and bytes? h. What is the difference between a laser printer and an inkjet printer? i. What is MHz? What is GHz? j. What is a pixel? k. List at least four types of computers.