Section A (40 marks)
Answer all questions in this section
- State the meaning of the term ligature as used in DTP. (2 marks)
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…………………………………………………………………………………………………………………… - State two importance of observing computer lab rules while using the lab. (2 marks)
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…………………………………………………………………………………………………………………… - Identify four formatting that has been carried out on the spreadsheet extract in figure 1 below.
- State the meaning of the term ligature as used in DTP. (2 marks)
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…………………………………………………………………………………………………………………… - State two importance of observing computer lab rules while using the lab. (2 marks)
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…………………………………………………………………………………………………………………… - Identify four formatting that has been carried out on the spreadsheet extract in figure 1 below
- Identify two ways by which the accuracy of data input into a database can be ensured. (2 marks)
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….………………………………………………………………………………………………………………. - Describe two ways of authenticating users of an information system biometrically. (1 mark)
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© 2022 CaSPA Eldoret Diocese 451/1
3 - State two characteristics of binary numbers. (2 marks)
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…………………………………………………………………………………………………………………… - State two ways by which a national park can alert tourist currently visiting the national park about
emergency situations using Information and telecommunication technology. (2 marks)
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…………………………………………………………………………………………………………………… - Describe three components of the Central Processing Unit. (3 marks)
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…………………………………………………………………………………………………………………… - State the meaning of each of the following operating systems terms:
(a) Disk compression (1 mark)
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(b) Disk defragmentation (1 mark)
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(c) Troubleshooting (1 mark)
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…………………………………………………………………………………………………………………… - State the meaning of each of the following internet terms:
(a) Netizen (1 mark)
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(b) Hypertext (1 mark)
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(c) Netiquette (1 mark)
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…………………………………………………………………………………………………………………… - (a) Name two types of computer processing files: (1 mark)
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(b) State one difference between logical and physical computer files. (2 marks)
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…………………………………………………………………………………………………………………… - (a) List down three types of computer networks. (11
/2 mark)
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(b) List down three types of network topologies. (11
/2 mark)
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13). Other than font weight, state four other characteristics that are used to describe a font in word
processing (4 marks)
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14.(a) State two advantages of using straight changeover strategy in implementing a new computer
system. (2 marks)
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(b) Describe two methods that can be used to train staff in an organization on how to use a
new computer system. (2 marks)
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15 (a) State the meaning of each of the following information and communication technology terms:
(i) Digital divide (1 mark)
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(ii) Digital citizenship (1 mark)
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(b) State the difference between a computer engineer and a computer technician. (2 marks)
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Section B (60 Marks)
Answer question 16 and any other three
- (a) With the aid of pseudocode, describe two program control structures. (5 Marks)
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b). Study the following pseudocode then answer the question that follows.
START
t=0
FOR c=1 to 50
INPUT n
t=t+n
ENDFOR
OUTPUT t
STOP
i) State the purpose of the pseudocode. (3 marks)
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ii) Modify the pseudocode such that it accepts any number of inputs. (2 marks)
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(c) Study the following flowchart in figure 2 then answer the question that follo
(c) Study the following flowchart in figure 2 then answer the question that follow.
Start
X=0
Input T
Z=T-1
Z=1 N
is T divisible by N
? Z
Y
Y
X=1
X=1 Y
?
N
Print T
Stop
Figure 1
Z=Z-1
(i) Use the provided trace table to determine the output of the flowchart when each of the
following numbers are input:
I. The number 3. (2 marks)
X T Z Is Z=1 Is T divisible by Z Is x=1 Print T
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II. The number 4 (2 marks)
X T Z Is Z=1 Is T divisible by Z Is x=1 Print T
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(ii) State the purpose of the flowchart. (1 mark)
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- (a) Describe each of the following internet services.
(i) World Wide Web. (1 mark)
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(ii) E learning (1 mark)
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(iii) E commerce (1 mark)
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(b) (i) State three ways by which negative numbers can be represented in binary number
system. (3 marks)
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(ii) The following are data security terminologies. State the meaning of each:
I. Data encryption, (1 mark)
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II. Cracking, (1 mark)
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III. Audit trail (1 mark)
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(iii) I. List two data processing modes (1 mark)
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II. List two data processing methods (1mark)
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III. Describe one error that may occur during data processing. (1 mark)
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(c) Explain how each of the following stages of system development life cycle may contribute
to the successful development of a new information management system.
(i) Investigation of existing system. (1 mark)
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(ii) Feasibility study (1 mark)
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(iii) Requirements specification (1 mark)
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10 - (a) Other than straight change over, list two other system change over strategies that can be
used in the implementation of a new system. (1 mark)
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(b) (i) State three differences between macro and mini computers. (3 marks)
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(ii) I. State the meaning of the term ICT Career. (1 mark)
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II Other than computer technician and computer engineer, name two other career
opportunities in ICT. (1 mark)
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III. Name two opportunities that are available for one to further their education in ICT.
(1 mark)
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(c) (i) List four characteristics of the ASCII code. (2 marks)
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(ii). I. State meaning of the term virtual memory as used in operating systems. (1 mark)
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II. Describe each of the following operating systems functions:
(i) Job scheduling. (1 mark)
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(i) Resource allocation (1 mark)
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19) (a) State the meaning of the term word as used in data representation in computers. (1 mark)
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(b) A system analyst is expected to provide a list of requirements for a proposed new computer
system. Describe two requirements specification that may be included in the list. (2 marks)
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(c) (i) Identify three characteristics of a relational database. (3 marks)
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(ii) I. State the cause of rivers of white on a publication in Desk Top Publishing. (1 mark)
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II. Figure 3 below shows typographical dimensions of a text in Desk Top Publishing.
Label the indicated parts. (2 marks)
A B
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C D
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(iii) I. Differentiate between an orphan and a widow in word processing. (2 marks)
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II. State the meaning of the term font weight as used in word processing. (1 mark)
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(iv) Study the following spreadsheet extract then answer the question that follows.
Write down the formula that would be used to determine the total votes garnered by
candidates who ran for Deputies positions. (3 marks)
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20). (a) State three ways by which information about a current computerised information system
can be gathered during systems development. (3 marks)
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A
B
D
C
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(b) The following are acronyms of computer networking protocols. Write them in full.
(i) TCP (1 Mark)
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(ii) FTP (1 mark)
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(iii) UDP (1 mark)
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(c)(i) A national park authority have decided to use a computer based model to develop
strategies for dealing with wild fires in the park. State three advantages of using the model
to develop the strategies. (3 marks)
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(ii) State three ways in which ICT could be used at home. (3 marks)
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(iii) Determine the value of 118-112+11h (3 marks)
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