problem 1) Draw the block diagram of computer. describe functions of each parts.

problem 2) Distinguish between impact and non-impact printers.

problem 3) prepare note on higher level language.

problem 4) Describe the features of word processing software that increases productivity of typist.

problem 5) Describe any five functions used in Excel.

problem 6) Distinguish between input and output devices.

problem 7)a) What are the different components of windows O.S ? Describe in brief.

b) Describe the different types of memory.

c) Describe the following terms :

i) Desktop ii) Icons

problem 8)a) prepare brief notes on :

i) Mouse

ii) DOT matrix printer

b) Distinguish between DOS and Windows O.S.