JOMO KENYATTA UNIVERSITY
AGRICULTURE AND TECHNOLOGY
University Examinations 2013/2014
END OF SEMESTER EXAMINATION FOR THE DIPLOMA IN INFORMATION TECHNOLOGY
DIT 0101 : INTRODUCTION TO COMPUTERS
DATE: AUGUST 2013 TIME: 1½HOURS
INSTRUCTIONS: ANSWER ANY THREE QUESTIONS.
(a) Differentiate the following terms: [8 marks]
(i) Computer and computer terms.
(ii) Hardware and software.
(iii) Impact printers and non-impact printers.
(iv) System software and application software.
(b) Give reasons why smaller computers like laptops are more expensive compared to desktops. [3 marks]
(c) Define the following: [5 marks]
(ii) Booting process.
(d) Provide/indicate two areas where computer is employed in our daily life. [2 marks]
(e) Briefly explain using appropriate example, what you understand by the term “internet browser”. [2 marks]
(a) Using a well labeled diagram, block diagram, identify and explain how computer components contribute to good working order of the computer system. [10 marks]
(b) Explain what is an operating system and state two of its functions.
(c) Give three advantages of using Linux operating system.
(d) List two text editors that are used in Linux operating system (command-line). [2 marks]
(e) State four examples of computer output devices. [2 marks]
(a) Describe the following terms as used in internet technology:
(iv) Web cookie.
(v) Computer network.
(b) Explain three types of computer networks. [6 marks]
(c) What do you understand by the term computer virus? Give two examples. [2 marks]
(d) Explain two significance of computer networking. [2 marks]
(e) Computers have evolved through many generations over the years. Explain five generations the computer have evolved through.
(a) File system is one of the major features in Windows operating system.
(i) State the differences between a file and a directory (folder).
(ii) Describe any possible method of creating a new folder.
(b) Explain six file attributes in Windows. [6 marks]
(c) Anytime you right-click “my computer icon” and choose properties option from the menu, it triggers the properties Window to open. In reference to an opened “My computer properties window”, provide a brief explanation on the following terms: [4 marks]
(ii) Installed memory (RAM).
(iii) System type.
(iv) Computer name.
(d) State any classification of computers based on their capacity and size. [2 marks]
(e) Write the following abbreviations in full: [3 marks]