Dit 104: Computer Organization And Applications Question Paper
Dit 104: Computer Organization And Applications
Course:Information Technology
Institution: Kca University question papers
Exam Year:2012
INSTRUCTIONS: Answer Any Three Questions
QUESTION ONE
a) Define the term computer and describe any three types of computers highlighting on size, main memory capacity and hard disk storage capacity. (6 Marks)
b) Discuss the five computer generations highlighting the major technological developments. (10 Marks)
c) What is the difference between ROM and RAM and give any two functions for each. (4 Marks)
QUESTION TWO
a) Define the term word length (2 Marks)
b) Describe the three main buses (6 Marks)
c) You have been contracted to identify the computer to be used in engineering workshop. What six factors would you take into account to short list the bidders. (12 Marks)
QUESTION THREE
a) Explain any three detrimental effect of computers in our day-to- day use (3 Marks)
b) Define the term communication channel and give any three different kinds of telecommunication transmission media. (4 Marks)
c) Define Network Topologies and describe any three types. (6 Marks)
d) State and explain any three benefits of computer network (4 Marks)
e) Explain the following Modes of communication: (3 Marks)
i. Simplex
ii. Half- Duplex
iii. Full – Duplex
QUESTION FOUR
a) Differentiate between the following (10 Marks)
i. Hard copy and Soft copy
ii. Cut paste and Copy and paste
iii. Application software and System software
iv. Compilers and Interpreters
v. In-house packages and Application packages
b) Name any two uses of spreadsheets (2 Marks)
c) What are the advantages of using spreadsheets (5 Marks)
d) List any two advantages of using in-house or tailor made software (3 Marks)
QUESTION FIVE
a) You have been selected as an IT technician to go and choose a software for your company, list and explain any five factors that you will put into consideration in order to select an appropriate software for this particular company. (5 Marks)
b) What is the difference between a record and an attribute. (2 Marks)
c) Define the term a file . (1 Mark)
d) Name and explain any three types of files. (3 Marks)
e) Describe any two advantages of sequential file organization. (2 Marks)
f) Explain any three uses of internet. (3 Marks)
g) What are the functions for the following as used in word processing (4 Marks)
i. CTRL + Z
ii. CTRL + A
iii. CTRL + V
iv. CTRL + U
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