ITC 010 INTRODUCTION TO ICT ESSENTIALS

ITC 010 INTRODUCTION TO ICT ESSENTIALS

QUESTION ONE (24 MARKS)

a)    Write brief notes on the following types of computers.            (10 marks)           

                               i.            Microcomputers

                             ii.            Mainframe computer

                          iii.            Analogue computer

                           iv.            Notebooks

                             v.            Supercomputers

b)    Using suitable examples differentiate between RAM and ROM, BIT AND BYTE.                                                                                                           (8 marks)

c)     State any six differences between the early computer systems of 1930-1970and the modern computer systems in use today.                 (6 marks)

QUESTION TWO (18 MARKS)

a)    Using suitable diagram describe the physical components that make up a modern computer system.                                                 (10 marks)

b)    With the help of suitable examples, describe briefly the function of each of the components named in (a) above.                                           (8 marks)

QUESTION THREE (18 MARKS)

a)    Define the following term secondary storage device?                (2 marks)

b)    Briefly describe two types of magnetic storage device               (4 marks)

c)     Computers have evolved through many generations over the years. State and explain the five generations the computers that have evolved through.                                                                                                     (5 marks) 

d)    Explain two types of computer software                                    . (4 marks)

e)   Outline two components that influence the performance of a computer system.                                                                             (3 marks)

 

QUESTION FOUR (18 MARKS)

a)    Define the term “data communication” and state its importance. (4 marks)

b)    Describe the three different types of cables that are used in date communication.                                                                                             (6 marks)

c)     Distinguish between the following technologies.                         (8 marks)

                               i.            Peer-to-peer network and Client server network

                             ii.            Cloud computing and Grid computing

QUESTION FIVE (18 MARKS)

a)    Briefly describe the following network concept                            (4 marks)

                               i.            Local area network

                             ii.            Wide area network

b)    State any THREE factors you should consider when selecting a site to install computers and explain briefly why they are important. (6 marks)

c)     State and explain any five characteristics of a supplier you should avoid      (8 marks)

Resources

Studocu  (ICT Notes)