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IrEsr coDE

01229020
2O1O

FORM TP 2010082
SECONDARY EDUCATION CERTIFICATE

MAY/JUNE

CARIBBEAN EXAMINATIONS COUN CIL
EXAMINATION INFORMATION TECHNOLOGY
Paper 02

- General

proficiency

2 hours 15 minutes
13

MAY2010 (a.m.)

INSTRUCTIONS TO CANDIDATES
1.

This paper consists of rHREE sections and a total of rwELvE questions. candidates MUST answerALL questions in all rHREE sections. Number EACH answer correctly in the answer booklet. Code is to be written in the programmÍng language, pascal.

)
3.

I I

DO NOT TURN THIS PAGE UNTILYOU ARE TOLD TO DO SO.
Copyright O 2009 Caribbean Examinations Council@. All rights reserved. 0r229020tF 2010

2SECTION

I

THEORY

-

60 marks

Answer ALL questions in this section.
1.

Figure 1 below shows the basic components of a computer system. Study Figure 1 and answer the questions that follow.

Figure

1.

(a)

Name the component that performs EACH of the following functions:


(iÐ (iiÐ (iv) (v) (vi)
(b)

The calculations and logic instructions
Stores programs and data that are currently being used by the CPU

(Lmark) (Lmark)
(
1"

Fetches instructions from memory, decodes them and processes them

mark)

Gets data into the shaded area

A A

(Lmark)

Sends processed data from the shaded area

(lmark)
(Lmark)

Keeps data and information for future use

Write the name of a component that

(Ð (iÐ (iiÐ
(c)

contains the Control Unit and the Arithmetic and Logic Unit

is also known as RAM is also called aperipheral device.

( lmark) ( lmark)

( lmark)

Wiite the general name given to the collection of components in Figure

1. ( lmark)
Total l0 marks

GO ON TO THE NEXT PAGE

012290208 24rc

.3t.

The following questions refer to Figures 2 and.3 below: Microsoft Windows Xp [Version 5.1.2600] (C) Copyright 1985-2001 Microsofr Corp. C;\Docume nts and Setrings\Adm inistrator\dir-

,rr,gf;W Local Disk (C:)

t"

:""* ...11:;,

DVD-RW Drive (E:)

''ì'#w
Shared Documents

t# Administrator's Docume-.- ,:.a-, ".t
Figure 3

Figure 2
(a)

state the type of user interface that is represented in EACH flgure.

( 2 marks)

(b)

Indicate by writing the figure number of the interface that

(i) (iÐ
(c) (d)
(e)

uses a mouse

would be easier for someone who is not familiar with a computer. ( 2 marks) (

Give the name of another user interface.
State the name of the system software that provides the user

l mark )

interface.

(

l

mark )

You wish to change the name of a f,le you have on your computer. Explain how you would do so using the interface in

(Ð (ii)

Figure

1

Figure 2.

(

4 marks)

Total 10 marks
3.
(a)

Write the numbers 1 to 5 on separate lines in your answer bookiet. Using the information in Table 1, match the number of the device with the letter for the task that the device performs by writing the letter next to the number in your answer booklet.

TABLE

1

Reading magnetic ink characters on a check Reading codes with name and price information

Converting paper-based data into dieital fo.m

Markingstudents'responsesonamultipre-choice"^ì-ir*ti*Turning on the fan when the environment ls too

tot

(
(b)

5 marks)

For EACH of the devices listed in paft (a), state ONE organization where each would MOST likely be used. ( 5 marks)

Total L0 marks
GO ON TO THE NEXT PAGE

01229020tF 2010

44.

After a storm. there was water damage to the files left on employees'desks, and power surges noticed that a caused damage to computer hardware. when a check was done, the manager were number of computer, *"r" damaged and two hard drives, along with important files, missing from computers in the accountant's office'

(a) (b)

physical State ONE natural disaster that can cause damage to computer hardware, ( L mark ) files or data. Using the scenario described above, for EACH of the following clearly...
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