C2: Understanding of ICT Systems in everyday life

flounderconvoyElectronics - Devices

Nov 15, 2013 (4 years and 6 months ago)


C2: Understanding of ICT Systems in everyday life

The content in this section is assessed through the terminal examination.


Knowledge of ICT components

Candidates should have an
understanding of the basic components
of a typical microcomputer system f
home or
chool use. This should

• Size and type of memory (ROM,
RAM and


• Concept of a Wind
ows operating
system (basic
knowledge of the start
sequence, GUI);

• Common input, output and storage
devices, for

example, keyboard,

joystick, tracker pad,
digital camera, scanner, touch sensitive
creen, monitor, laser pri
nter, ink jet
printer, storage

capacity of different
types of disk drives, tape streamer and
optical storage devices, modem.

Candidates should be able t

• Expand all acronyms;

• Identify, from a photograph or

component parts of a

typical home PC;

• Distinguish between volatile

and non
memory and

explain the need for both;

• Explain what cache memory is

and how it may
be used;

• Describ
e the “boot

sequence in a typical
home PC;

• Identify peripherals as Input,

Output, Storage or

Communication devices;

• Compare input and output

devices in terms of

quality, speed and suitability

for specific

• Compare storage devi
ces in

terms of capacity,

retrieval, costs and suitability

for specific


Information Systems

Candidates should have an
understanding of:

• Information and data;

• Data capture (form design, OCR,

• Data checking: verification,

range, presence, check digit,
length, lookup

table, spell check);

• Data structure: flat files, relational

• Data portability: csv, rtf, ASCII, jpeg,

pict, tiff, gif, data compression.

Candidates should be able to:

• Ex
pand all acronyms;

• Define the difference between

Information and

• Discuss features important in

Form Design, eg
use of tick

boxes, colour, font, position,

instructions, lines, letter

e t c;

• Id e n t ify a d v a n t a g e s,

d is a d v a n t a ge s a n d
a p p lic a
t io n s

fo r OMR a n d OCR;

• Exp la in t h e d iffe re n c e b e t we e n

v e rific a t io n a n d
v a lid a t io n;

• Id e n t ify mo s t s u it a b le

v a lid a t io n t e c h n iq u e s fo r
g iv e n

s it u a t io n s;

• Id e n t ify s u it a b le d a t a fie ld s

fro m a writ t e n re c o rd

s p e c ific a t io n;

• Id e n t ify c o mmo n file t y p e s, e g

jp e g, t xt, c s v;

• Un d e rs t a n d t h e n e e d fo r d a t a

c o mp re s s io n a n d
t o o ls n e e d e d

t o c o mp re s s/d e c o mp re s s d a t a;

• Dis c u s s t h e a d v a n t a g e s o f a

re la t io n a l d a t a b a s e
c o mp a re d

t o fla t
file s in t e rms o f d a t a

re d u n d a n c y, d a t a in t e g rit y a n d

d a t a s e c u rit y.

(c )

Di g i t a
l c o mmu n i c a t i o n s y s t e ms

Ca n d id a t e s s h o u ld h a v e a n
u n d e rs t a n d in g o f:

• Da t a Ne t wo rks (LAN, WAN);

• In t e rn e t, Wo rld Wid e We b, In t ra n e t,

b a n d wid t h, HTML, p ro t o c o l, we b
b ro ws e r,

s e a rc h e n g in e, URL;

• Ne t wo rk s e c u rit y: p a s s wo rd s, le v e ls
o f a c c e s s,

e n c ry p t i
o n, b a c ku p;

• Te le c o n fe re n c in g, e le c t ro n ic ma il,
fa c s imile

t ra n s mis s io n, ISDN, ro u t e r,
d ig it a l ima g e

t e c h n o lo g y.

Ca n d id a t e s s h o u ld b e a b le t o:

• Exp a n d a ll a c ro n y ms;

• Id e n t ify ma in d iffe re n c e s

b e t we e n LAN a n d

• Dis t in g u is h b e t we e n In t e rn e t,

Wo rld Wi
d e We b
a n d In t ra n e t;

Identify advantages of using
an Intranet;

• Describe the services provided

y a typical ISP;

• Describe the features provided

by a typical web

• Compare, in relative terms, the

offered by different technologies, e
ISDN, ADSL, optical

• Describe the need for network


• Understand basic network

security systems, eg

passwords, access codes, encryption;

• Describe basic backup routines

or a typical PC
and LAN;

• Describe eq
uipment needed

and advantages of a


conferencing system;

mail and fax in

terms of technology needed,

facilities offered and costs;

• Compare digital image systems with
onventional systems, eg conventional film

camera, d
igital TV versus analogue TV;

• Discuss the use of the mobile

telephone in

and Internet access.



Candidates should have an
understanding of:

• Electronic Monetary Processing

Funds Transfer, Point of Sale, ATM
swipe and

smart cards);

• Billing (batch processing in electricity

telephone systems);

• Virtual reality in training and

• Computers in Control (understand the

sensor, data logging and feedback as
used in

greenhouse, traff
ic control systems,

control systems);

• On
line services (shopping, banking,

reservations, e

Candidates should be able to:

• Expand all acronyms;

• Identify the advantages of EFT

for the customer
and vendor;

• Describe a typical PO
S system

as used in a

• Describe the operation of a

typical ATM system
in terms

f facilities offered, security

systems and
magnetic strip(e)


Distinguish between swipe and

smart cards;

• Describe the flow of data in a

batch processing


including data collection, data

input, data

transaction file, master file,

hard copy
output and updating

describe the differences

between a simulation and

virtual reality, creation

virtual worlds and interactivity

with the user;

entify uses of virtual reality
in building design,

medicine and gaming;

• Identify sensors needed and

control systems
used in

greenhouses, traffic control

and domestic

• Define the terms data logging,

understand the
concept of

e and digital data and

the need
for conversion;

• Describe the hardware and

software needed to
access on
line services;

• Describe the advantages

offered by typical on
line services for the vendor and customer.