Micro computer hardware consists of three basic categories of physical equipment______________________?

A. Keyboard, monitor and hard drive
B. System unit, input / output and memory
C. System unit, input / output and secondary storage
D. System unit, primary storage and secondary storage
✅ The correct answer is option C.

Which model was used during the early stages of software engineering, when prototyping of user interfaces, consideration of software and system interaction, assessment of performance, and evaluation of technology maturity were paramount ?

A. Early design stage model
B. Post-architecture-stage model
C. Application composition model
D. All of the mentioned
✅ The correct answer is option C.