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University Exam Question Paper

University Exam

Course:Bachelor Of Science

Institution: Laikipia University question papers

Exam Year:2012

Introduction to computer application
Answer question one and any other two.
Question one (30 marks)
a.Define the following
i.a computer (2 marks)
ii. Data and information (2 marks)
b. What are the applications of computers? (8 marks)
c. What is an operating system? Discuss functions of an operating system (8 marks)
d. Describe in details the computer network topologies. (6 marks)
e. What are some of the functions of a computer? (4 marks)
Question two (20 marks)
a.Describe the functions of the following parts of a computer. (8 marks)
i.Central processing unit
ii. Arithmetic logic unit
iii. Memory
b.What are information systems? Discuss classes of information systems (6 marks)
c.Explain any three types of computer Network(6 marks)
Question three (20 marks)
a.Calculate the following
i.Convert the Decimal number 117 to binary(3 marks)
ii. Convert the binary number 110101 to octal (3 marks)
iii. Convert the Octal number 1234 to hexadecimal (4 marks)
b.Discuss all computer generation (10 marks)
Question four (20 marks)
a.Explain any three internet protocols (6 marks)
b.Discuss briefly the following types of software (8 marks)
i.Word processing software (2 marks)
ii. Spreadsheet software (2 marks)
iii. Database software (2 marks)
iv. Financial software (2 marks)
c.What is a user interface? Describe the common user interfaces (6 marks)
Question five (20 marks)
a.What are the advantages and disadvantages of internet? (8 marks)
b.Explain four types of computers (8 marks)
c.Discuss the following when working with windows operating system (4 marks)
i.Cut
ii. Copy
iii. Paste
iv. Save

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