Answers to Questions Chapter 1 1. Two of each required: Input devices: keyboard, mouse, scanner, microphone. Output devices: screen/display, printer, speaker/headphone. Storage devices: hard disk, memory stick, CD/R/W. (2) (2) (2) 2. It contains start-up code in non-volatile memory, required before the main operating system code has been transferred to RAM from hard disk, which takes some time. (4) 3. There are too many connections required between the chips for each to be made separately. 4. Two of these: Can be designed to meet different requirements (e.g. games, business, education). Can be repaired more easily with replacement modules. Can be upgraded easily. Is a very flexible design which has stood the test of time. (2) (2) (2) (2) (2)