(a) Briefly explain the functions of computer elements named below:
(i) CPU.(2 marks)
(ii) Input peripherals.(2 marks)
(iii) Output peripherals.(2 marks)
(c) List and explain the advantages and disadvantages of office automation.(14 marks)
5.Giving relevant examples,explain each of the purchasing methods listed below:
(a) Tender.(5 marks)
(b) Quotations.(5 marks)
(c) Purchase through sales persons.(5 marks)
(d) Direct procurement.(5 marks)
6.Write descriptive notes on the following: (5 marks)
(a) Addressing machine. (5 marks)
(b) Visual display units.(5 marks)
(c) Floppy disks.(5 marks)
(d) Reproduction equipment.(5 marks)
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