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Combination Personal №

S850/1
Subsidiary ICT
Paper 1
July. / Aug. 2022
2 ½ hours

MATIGO MOCK EXAMINATIONS 2022

Uganda Advanced Certificate of Examinations

SUBSIDIARY ICT

THEORY

Paper 1

2 hours 30 minutes

INSTRUCTIONS TO CANDIDATES:

Attempt all questions in this paper

The paper is made up of 20 equally structured questions each carrying 5 marks

Write your answers in the spaces provided.

No additional materials (answer sheets) are provided

For Examiners’ Use Only

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©2022 Matigo Mock Examinations +256780413120 or +256702048636 Turn Over

1. (a) Differentiate between CMOS battery and a CMOS chip. (2 marks)

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(b) Identify three teaching aids commonly used in computer laboratories today to aid
learning. (3 marks)
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2. (i) Differentiate between software update and software upgrade. (2 marks)

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(ii) List down any three examples of web authoring software. (4 marks)
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3. Write the following acronyms in full as used in Information and Communication

technology. (5 marks)
(i) UTP
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(ii) WIFI
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 (iii) SQL
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(IV) DTP
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(V) PPM
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4. (a) State the role of the following special memories in the operations of a computer.
(3 marks)
(i) Buffer
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(ii) Cache memory
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(iii) Registers
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(b)Identify two examples of fixed storage devices with in the system unit (2 marks)
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5. (a)Mention the two major types of display devices. (2 marks)

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(b) Explain the following terms related to display devices. (3 marks)
i. Refresh rate
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 ii. Pixels
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iii. Resolution
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6. (a) Differentiate between system software and application software (2 marks)

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(b) Identify the programs used in the performing of the following tasks.
(3 marks)
(i) Designing of publications like flyers

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(ii) Preparing of staff payroll

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(iii) Making of a weekly report to your immediate supervisor.

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7. Indicate true or false against each of the statement below in a table. (5 marks)
Statement True/False

A text in a worksheet is right aligned

Syntax are the grammatical rules for writing of a program

A bug is an error in a computer program

A virus is a malware

A screen saver is an application software

8. (a) i). Define an extranet form of network. (1mark)

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ii). Mention four advantages of an intranet form of network. (4 marks)

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9. (a) Differentiate between guided and un guided transmission media. (2 marks)

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 (b)Mention three factors that affect the performance of the data transmission media.
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10. (a) Differentiate between Unicast and Multicast in relation to wireless transmission
media. (2 marks)
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(b). State two examples wireless transmission media (2 marks)
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(c) Mention the commonly used connector for the category 6 cables in
networking. (1 mark)
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11. (a). Differentiate between Database and a Data Base Management System.
(DBMS) (2 marks)
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 (b). State one examples of a database and two examples of a DBMS.
(3 marks)
Data base

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Data Base Management System
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12. (a). Distinguish between Data integrity and Data redundancy. (2 marks)

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(b). Identify three advantages of managing databases in an organization. (3 marks)
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13. Sserubamba wants to start up his computer from the wall socket. State the step-by-
step process his computer will take in order to show up the desktop. (5 marks)

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14. (a) State any three self employment opportunities related to ICT where you can be
engaged during vacation. (3 marks)
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(b) Mention any two roles of a webmaster. (2 marks)
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15. (a) Briefly explain the concept of virtual reality. (1 mark)

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(b). Identify at least one innovation in each of the following areas. (4 marks)

(i) Hardware
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(ii) Software

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(iii) Communication

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(iv) Security

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16. (a) Differentiate between relative referencing and absolute referencing. (2 marks)

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(b) Illustrate using cell range: A1:B10 how the following cell referencing can be done
during data manipulation using Spread sheet. (3 marks)

(i) Absolute referencing

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(ii) Relative referencing

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(iii) Mixed referencing

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17. Identify five activities involved in the servicing of computers. (5 marks)

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18. (a) Define the following terms related computer crimes. (3 marks)
i. Spoofing
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ii. Cracking:
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iii. Software Piracy:
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(b). Differentiate between cyber crime and a computer crime in relation to system
security. (2 marks)
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19. (a).Differentiate between green computing and cloud computing. (2 marks)

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(b).State any three advantages of cloud computing practices. (3 marks)

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20. Briefly explain the following terms in relation to computer management. (5 marks)

(a) Boot drive

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(b) Boot sequence
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(c) Boot loader
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(d) BIOS
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(e) ROMBIOS
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