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.
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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:
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(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
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(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
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