Which of the following is true?
1) Plotters are not available for microcomputer systems
2) Micro-computer are not programmed like conventional computers
3) Mini-computers are task-oriented
4) The contents of ROM are easily changed
1) Plotters are not available for microcomputer systems
2) Micro-computer are not programmed like conventional computers
3) Mini-computers are task-oriented
4) The contents of ROM are easily changed