csec i.t jan 2000 answers

7/30/2019 CSEC I.T Jan 2000 Answers

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CXC 2000 Jan

CXC IT Technical

Selected Answers

Suggested Responses # 1(a)

CPU – Executes instruction provided by programs

RAM – Temporarily stores programs and data being used by the CPU

HARD DISK – Serves as the main area of long – term information storage on the

computers

FLOPPY DRIVE – stores and retrieves information on a diskette

CD ROM - drive accesses information on a diskette

A MODEM - Converts information between digital and analog forms, and facilitates

computer and communication using the telephone lines.

Suggested Answers: (any four of) (b)

Check power indicator on monitor. Check power switch on monitor. Check power cable

and power connection to the back of the monitor. Check monitor video connection to the

system unit. Check the video control knobs on the monitor. Check the power outlet

switch and the monitor’s power plug. Check the monitor’s behavior with another systemunit. Check video display card in the computer.

Suggested Answers; # 4

(a) Data entry clerk – ANY TWO

Enter data to be used by a specific applicationVerify the data that was previously entered

(b) Systems analyst – ANY TWO

Investigate the business system and design a computer-based solution to improveits operation

Produce hardware and software system specifications to implement the solution.Compare possible solutions as to cost-benefit.

Produce and review documentation of system specifications.

(c) DATA Processing Manager- ANY TWO

Manage and review the performance of the data processing department.

Liaison with central management to develop the data processing policy of the

organization.



Implement the data processing policy of the organization.

Certify the data and distribute it.

(d) NETWORK Administrator - ANY TWO

- Ensure security for users data and system information on the network

- Oversee maintenance of the network and the machines- Manage users on the network

Suggested Answers: #5

(a) SYSTEM SOFTWARE is to enable the computer to work properly (and to

enhance its operation, and to enable the user to make good use of the machine)

whilst APPLICATION SOFTWARE is for the user to do specific tasks on thecomputer.

System software – e.g. operating systems (e.g. windows 2000) and device drivers

(e.g. for a printer)

Application software MS. Word, MS Excel, AutoCAD (or word processors,spreadsheets etc)

(b) A graphical user interface is one that presents choices to the user via a graphicalscreen, instead of having the user type commands to specify operations. With a

graphical interface, objects and operations are usually easier to access without

need to remember commands to type.

Suggested Answers: #9

This programming question is to test the use of the IF THE ELSE construct. A suggestedanswer is as follows:

Note that the candidate is allowed to use any English-based form of pseudocode.

FOR 1 = 1 TO 5 (do)

INPUT PERSON, WEIGHT (read person, weight)

IF WEIGHT < 50 (then)

FEE = 0

ELSEIF WEIGHT < 100 (then)FEE = (WEIGHT – 50) * 1

ELSE

FEE = 50 + (WEIGHT – 100) * 10ENDIF

PRINTPERSON, WEIGHT, FEE

NEXT 1

<<<END OF ALGORITHM>>>



#10 (a)

X Y M

1 2 3

3

2* 3

1*

2*

3*

1*

2*

0*

*Represents the new answers

(b) final print: 0

csec i.t jan 2000 answers

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