W1-2-60-1-6
JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY
UNIVERSITY EXAMINATIONS 2016/2017
FIRST SEMESTER EXAMINATION FOR THE DIPLOMA IN INFORMATION TECHNOLOGY
CIT/DIT 0101: INTRODUCTION TO COMPUTER
DATE: NOVEMBER 2016 TIME: 1.30 HOURS
INSTRUCTIONS:
ANSWER QUESTION ONE [COMPULSORY] AND ANY OTHER TWO QUESTIONS
QUESTION ONE
(a) Define the word computer [1 mark]
(b) List three stages in the evolution of digital computers starting from the major technological invention of each [6 marks]
(c) Define the following terms:
(i) Data
(ii) Information
(iii) Soft copy
(iv) Hard copy
(v) RAM
(vi) ROM [6 marks]
(d) Explain five advantages of using computer for processing data [5 marks]
(e) Outline five document view supported by Ms word program in windows [5 marks]
QUESTION TWO
(a) Explain the classifications of computer software giving examples for each [10 marks]
(b) List the major classifications of computer systems [6 marks]
(c) Operating systems can be classified on the basis of user interface. Describe any two types of user interface [4 marks]
QUESTION THREE
(a) Differentiate between warm booting and cold booting [4 marks]
(b) State the major stages in the boot process [4 marks]
(c) Describe the characteristics of the flash disk that make it to be preferred to the floppy diskette [4 marks]
(d) State any four health issues associated with the use of computer and suggest the solution for each. [8 marks]
QUESTION FOUR
(a) Outline the steps for carrying out the following tasks on a computer running windows 7 and 8
(i) Create a new user account
(ii) Uninstall an application [6 marks]
(b) Explain the significance of the following emerging trends in computer
(i) Convergence
(ii) Minimization
(iii) Touch input
(iv) National language input [8 marks]
(c) State three advantages and disadvantages of using computers [6 marks]
QUESTION FIVE
(a) Outline four examples of input and output devices in a computer system [4 marks]
(b) Differentiate between system software and application software [4 marks]
(c) Outline six characteristics of computers [6 marks]
(d) Differentiate between
(i) Micro computer and mini computer [2 marks]
(ii) Mainframe computer and super computer [2 marks]
(e) Define
(i) Volatile memory [1 mark]
(ii) Non-volatile memory [1 mark]
