CXC CSEC Information Technology June 2015 P1

qb.

FORM

TP 201s083

rEsr

coDE

01229010

MAY/JUNE2O15

CARIBBEAN EXAMINATIONS COUNCIL

CARIBBEAN

SECONDARY

EDUCATION

CERTIFICATEE

EXAMINATION

INFORMATION TECHNOLOGY

Paper 01

_-

General ProficiencY

I

hoar 30 minates 0z

firNE

201s _G.m.)

l.

2. J. 4.

READ

TIIE

FOLLOWING INSTRUCTIONS CAREFT'LLY.

This t€st consists of 60 items. You

will

have

I

hour and 30 minutes to answer them' In addition to this t€st booklet, you should have an answer sheel

Each item itr this test has four suggested answers lettered (A), (B)'

(c)' (D)'

Read €ach item

you are about to answer and decide which choice is best'

On your answer sheet, find the number which corresponds to your item ond shade the space

having the same letler

".

ttt"

"os*o

yoo have chosen' Look

at how it is done in the sample item below.

Samole ltem

Which of the following paks rcpresents gen€ral-purpos€ software tools?

(A)

Spreadsheet and database software

igj

word processor and accounting software

ici

Student record system and database softrx'are

b)

Insurance processing and spreadsheet softwar€

The best answer to this item is "Sprea<lsheet an'l database softrrare"' so (A) has been shaded'

If you want to change your answer, b€ sure to erase it coEpletely before you

fill

in your new

choice.

When you are told to begi4 turn the page and work as quickly and as carefully as you can'

If you cannot answer an item' omit it

*i

go on to th" o"*t one' You may return to that itetn

later.

Samole Answer

o@

@@

-:

:

DO NOT

TT'RN

TEIS

PAGE

I,NTIL

YOU ARE

TOLD TO

DO

SO' Copyright @ 2013 Caribbean E:<aminations Council

All

rights reserved'

(A) Data

(A)

IDE

(B) Programs

(B)

MIDI

(C)

Operating

systems

(C)

_ASCII

(D) OuQutdwices

(D)

GIJI

2.

Resolution determines the

clarity

of

the 7.

which ofthe following is used by the

cpu

image displayed on a

monitor.

The

term

to temporarily store data?

'resolution' _{refers to the number}

_ofpixels

(A)

Bufrer

(A)

present horizontally on the

scre€n

(B)

Tback

(B)

prcsent vertically

oi

the

screen

(C)

Sector

(C)

present in a unit area ofthe

screen

(D)

Cylinder

(D)

that makes up the colour

8.

EnorSption is used to

3.

A

diskette

is

divided

into a

number

of

concentsic circles

called

(A)

disguise data and prograrns

(B)

commit computer crime

(A) sectors

(C)

discard old equipment

(B) oylinders

(D)

physically

prevent

users

from

(C) Eacks

accessing a computer

(D)

clusters

9.

In

modem pereonal oomputers, the CPU

4.

The storage capacity

ofa

floppy disk

is

speed is measured

in

(A)

1.44

l"G

(A)

nanoseconds

(B)

|.44

GB

(B)

milliseconds

(C)

1440

KB

(c)

_MIIZ

(D) l440MB

(D)

cr'z

5.

Which of the.following devices is used

to 10.

Google Chrome is an orample

of

perform input into the computer?

(A)

Monitor

(B)

Mouse

(C)

External hard drive

(D)

USB flash drive

(A)

the Intemet Explorer

(B)

a web browser

(C)

a search engine

(D)

theWorldWideWeb

or2290t0tF 2015

-3-The

four-bit

binary rcprescntation

of

the decimal number 8 is

0(X)l 0010 0100 1000

Which

of

the

following is

considered a feature of

I

biometric syst€m?

(A)

Diagnoses medical

syqtoms.

(B)

Mafchesfingeryrints.

(C)

Detects irregular heartbeaa.

(D)

Helps to lubricatc skeletal joints.

Which of the following printers is MOST suitable for high volume printing?

(A)

Dot matrix

(B)

Thermal

(C)

Inkjet

(D)

Laser

The

MAIN

function of a

frcwall

is that

it

is

used

by

hackcrs

to

prevent detection

(B)

protccts computer files

(C)

prevents unauthorized access to e comput€r on a network

(D)

protects

I

stand-alone computer Aom viruses

Which

of

the following

provides

transnission

of

data

in

BOTII

directions at the same time?

(A)

Half duplo<

(B)

Fullduplot

(C)

Null

duplo<

(D)

Simplex

In the URL http://www.shoes.com,'shoes. com' stsnds for the

(A)

e:delrsion

(B)

aompany name

(C)

domain name

(D)

Interaet compsoy

Which of the following devices produces

a soft copy?

(A)

(B)

(c)

(D)

Microfilm

Plotler

Prhter

Visual Display Unit

(VDII)

A document used for the initial recording

ofdrta

relating to business transactions is called a

(A)

tunrarounddocument

(B)

source document

(C)

primory document

(D)

main document

Ttansferring data

froE

I

remote computer to your computer is referred to as

(A)

uploading

(B)

browsiog

(C)

downloading

(D)

data mining

Scrambling ofmessages at the sending end

and unscrambling them at the receiving end

is called

(A)

espionage

(B)

encrSption

(C)

coding

(D)

eavesdropping 16.

(A)

(B)

(c)

(D)

17. 13. 14. 19.

(A)

ot2290totF

2015

21. The acronym 'HTTP' stands fot

(A)

Hyper To<t Transfer Protocol

(B)

Hyper Text Transmission Protocol

(C)

HigberTortTransmissionProtocol

(D)

Higher Text Transfer Protocol which

oftle

following statements is

NoT

true of secondar5l storage media?

(A)

Pichres and text can be stored.

(B)

Storagecapacityist5picallyaround

l.44MB.

(C)

Inforrnation can be accessed

mort

quickly than magnetio disks.

(D)

Largeamounbofdatacanbestored. Which

of

the following protocols alloyi/s

the user to talk internationally?

(A)

FTP

(B)

VoIP

(c)

HTTP

(D)

IP

What is the correspondiog decimal value

oflll

(base 2)?

What

is

the result

of

the following

operation?

10110 base 2 + fi)101 base 2

(A)

l0l1l

base 2

(B)

ll00l

base 2

(C)

11011 base 2

(D)

10101 base 2

Which of the following is BEST suited to batch processing?

(A)

Salary preparation

(B)

Online gaming

(C)

Flight simulation

(D)

Theatre booking

Wbich ofthe following isNOTao operating

system?

(A)

MS Office

(B)

Windows

(C)

Mac OS

(D)

Linux

The

part

of

the central processing unit whcre simple calculations can take place is called the

(A)

cu

(B)

ALU

(c)

su

(D)

vDU

Data can be transmitted between devices

and

computers

using

a

wireless radio technology known as

(A)

bluetooth

(B)

hotspot

(C)

microwave

(D)

fibre optic

Which

of

the

following

limib

network

access between two or more networks?

(A)

A firewall

(B)

Biometics

(C)

An encryption

(D)

An anti-virus program 27. 29. 24.

(A)

7

(B)

8

(c)

e

(D)

l0

0t2290101F 2015

GO

ON

TO

TIIE NEXT

PAGE 30.

31.

-5-Selecting orhigblightingaparagraphcreate's a

file

merge

block

document

To

complete

her

word

Processing assigrunent, Susie must

aliF

the text to both the left and rigbt margins. Which type

of aligoment must Susie select to achieve

this?

(A)

Risbt

(B)

Left

(C)

Centre

(D)

Justified

Which of the following features allows the

user to insert individual uames in a primary

document?

(A)

Footers

(B)

Headers

(C)

Mail

merge

(D)

Search and rePlace

In

Microsoft

PowerPoint,

s

singls

pigs

shown on a screen to display information is called a

(A)

slide

(B)

table

(c)

field

(D)

presentation ,lr2 is fonnatted as A2 using

(A)

striketbrough

(B)

subscriPt

(C)

superscriPt

(D)

small caPs

Which type

of

chart is

NOT

suitable

for

reprcseDting data over two years as shown in the table below?

(A)

Column

(B)

Line

(C)

Bar

(D)

Pie

Which

of

the following

is

the

default justification of numbers in spreadsheets?

(A)

Left

(B)

Full

(C)

Centsed

(D)

Risht

Information produced

from

querias and

tables in a specific formatthat canbe prhted

from a database is called

(A)

a

fle

(B)

a teport

(C)

a binary

(D)

an object

Slides can be arranged using

(A)

slide view

(B)

slide sorter

(C)

slide master

(D)

new slide

(A)

(B)

(c)

(D)

37. 33. 34. 39.

40.

rfre

_ffi

icon in a presenation is used

for

(A)

slide showview

(B)

notes view

(C)

outline view

(D)

normal view

GO

ON TO TIIE NEXT

PAGE

Country_

2009 2010

A

300 600 B 5@ 800

c

500 600

0r2290rcn20$

36.

41. Which ofthe following characteristics must two database tables have in order for them to be lfuiked?

(A)

Atleastonecornmonattibutcaame

(B)

Composite keys

(C)

At

least two tuples in the table

(D)

The same data in all tuples

Which of the following effects is a special animatiotr effect, where the infomration

fades after it has been presented?

(A)

Animation

(B)

Dimming

(C)

Entrance

(D)

Empbasis

Which

of

tbe

following

is normally used

for website-to-website conncction?

(A)

Modem

(B)

Monilor

(C)

Hyperlink

(D)

Hlipertext

The object that is used to produce a list

of

records that meets a particular criterion is

a

(A)

form

(B)

table

(C)

module.

(D)

query

Which

of

the

following

data

types CANNOTbe entered into a &tabasetable?

(A)

(B)

(c)

(D) Number Text Yes/no

A$3y

Consider the following algorithm.

a:7

b:9

a=b-a

b=a+b

Write a, b

The

ouput

of this algorithm is

(A)

2,e

(B)

2,rr

(c)

7,9

(D)

't,rr

Whenbreakingdown asimpleprobleminto

its logical steps,whatstatemed/instruction would the adding of two numbers be?

(A)

A process

(B)

Ar

output

(C)

Aa

input

(D)

A storage

What is the nsme given to an identifier that always holds the same value?

(A)

Constant

(B)

Variable

(C)

Location

(D)

Storage 47. 43.

012290rc8

20ts

GO

ON

TO

TIIE

NH(T

PAGE 46. 44.

49.

-7

-You are given the problem of

fnding

the sum of

TIIREE

numbers, and you use an IPO chart to decompose the problem. What is the correct order of the stat€ments

to b€ placed into the input, processiag and

ouqrut colurnDs?

(A)

Add

the three numbers together/ number

l,

nurnber 2, number 3/ Total

(B)

TotaVnumber

l,

number2, number 3/addthe three lumbers together

(C)

Number

I,

number

2,

number

3/

TotaVadd

the

three

numbers together

(D)

Number

l,

number

2,

number 3/ add the tbree numbers together

/Iotal

Tbe

integer variables

a,

b

and

c,

are given the values 6,

l0

and 2 respectively.

What

is

the result

of

the

expression

a

MUIJT(b

DIVcp

The

original

code

written by

the

programmer is termed

(A)

object code

(B)

source code

(C)

machine code

(D)

symbolic code

Errors that result from NOT following tbe rules

of

the

programming language are

called

(A)

orecution errors

(B)

logic errors

(C)

run-time etlors

(D)

syntax errors

The LAST step in solving a probletrt is to

(A)

evaluate the solution

(B)

test the solution

(C)

develop the algorithm

(D)

specify the desig!

The Pascal code

verx,

y would generate an error. The term used to describe this tl/pe of error is

(A)

syntax

(B)

logical

(C)

exocution

(D)

run-time

$g';$referstothe

followingpseudocode. Read A"

B

tf

A<2

C+2

Else

C+-6

End

if

D

<-

C*B+2

lvrite D

What is printed by the pseudocode

if

the input values are 5 and 2 respectively?

Wbich ofthe following statements includss

loops?

(A)

Sequencing

(B)

Repetition

(C)

Sclection

(D)

Ordering 50.

(A)

0

(B)

20

(c)

30

(D)

r20

(A)

6

(B)

12

(c)

14

(D)

a

01229010/F 2015

GO

ON TO TIIE NE)(T

PACE 54.

57.

which of

the

following

is

NoT

a

third- 59.

A compiler is software that converts the generation language?

(A)

Assembly

(B)

coBol

(c)

c

(D)

Pascal

(A)

program to output

(B)

source code to assembly code

(C)

source code to machine code '

(D)

program

to

object code

one

instuction at a

tiEe

for

a given e:ranr- He creates a variable

called class-avg. ltVhich data t5pe should

he speci$ when declaring this variable?

(A)

Integer

(B)

Real

(C)

Boolean

(D)

Character

58.

Wbich of the following symbols is used

to 60. A

comput€r pKrgrarnmer

is

coding

an

perform assignments in the

programming

algorithm which calculates the class average

language Pascal?

(A)

(B)

o

(c)

(D)

:=

END

OFTEST

IFYOU

F'INISH BEFORE

TIME

IS

CALLED, CHECKYOTJRWORK

ON

TIIIS

TEST.