2014 WASSCE ELECTIVE ICT Paper 2

Question 1

(a) Match each type of ICT in Table 1 with its relevant communication sector:

ICT Type	Communication Sector
Satellite communication	Internet
Radio broadcasting	Radio
Data network	Video conferencing
GSM	Telecommunication

(b) List three computing devices that belong to each of the following periods:

(i) 19th Century Computing Devices:

Difference Engine
Analytical Engine
Mechanical Calculator

(ii) 20th Century Computing Devices:

ENIAC
IBM Personal Computer
Apple Macintosh

Question 2

(a) List:

(i) Three application areas of a word processing program:

Writing reports and essays
Creating and editing official letters
Designing newsletters or flyers

(ii) Three types of data items:

Text
Numeric
Date/Time

(b) Identify the data types in Table 2:

Field	Data Type
Student I.D.	Alphanumeric
Name	Text
Date of Birth	Date
Score in Computer Studies	Numeric
Gender	Text/Character

Question 3

(a)

(i) Define Information and Communication Technology (ICT):
ICT refers to the integration of telecommunications, computing, and broadcasting technologies to store, retrieve, transmit, and manipulate information.

(ii) State three uses of ICT in the banking sector:

Online and mobile banking
ATM services
Electronic fund transfer (EFT)

(b) State the full meaning of the following acronyms:

LAN – Local Area Network
GPS – Global Positioning System
IP – Internet Protocol

Question 4

(a) List three criteria used in classifying files:

Content type (e.g., text, video, image)
File format (e.g., .docx, .pdf, .xls)
Method of access (e.g., sequential or random)

(b)

(i) Two advantages of computer files:

Fast access and retrieval
Easy to duplicate and share

Two disadvantages of computer files:

Risk of data corruption
Vulnerable to hacking or viruses

(ii) Three methods of file security:

Password protection
Encryption
Data backups

Question 5

(a) Define programming language:

A programming language is a formal language used by programmers to write instructions that a computer can interpret and execute.

(b) Write the following mathematical expressions in BASIC notation:

(i) x(w + y)^2 → LET A = X * (W + Y)^2
(ii) ab/cd → LET B = (A * B) / (C * D)
(iii) p = 2(1 + b) → LET P = 2 * (1 + B)

(c) BASIC program to calculate the area of a rectangle:

basic
10 INPUT "Enter Length"; L
20 INPUT "Enter Breadth"; B
30 LET A = L * B
40 PRINT "Area = "; A
50 END

(d) List two levels of programming language:

Low-level language (e.g., Assembly language)
High-level language (e.g., Python, BASIC, Java)