Fill in the blank with appropriate words orphrases found behind this exercise. (1) A computer system solves a problem by . (2) The amount of effective work of a computer can be indicated by directly. (3) Computer systems consistof . (4) Computer that can solve only one kind of problem is a . (5) Computer that can solve many different kinds of problems is a . (6) instruct the hardware. (7) is difficult and expensive tochange. (8) We usually show the computer componentsin a . a. general purpose machine b.hardware c.accepting input, processing problem, and producing output d.block diagram e.software f.storage size g.special purpose machine h.hardware and software