2018 Waec Data Processing { Essay & Obj } Answers.


data model is the process of structuring and organizing data in addition data model can also be defined as a description of the organisation of data in data base

i)flat file mode
ii)network model
iii)hierarchical database model

i)conceptual data model
ii)logical data model
iii)physical data model

conceptual model is also known as the data model that can be used to describe the conceptual schema when a database system is implemented. It hides the internal details of physical storage and targets on describing entities, datatype, relationships and constraints.


2 a )
Micro soft offfice word

2 aii )
water mark

2 aiii)
by saving doucument to a secured storage device

2 bi)
icon- is a pictogram or ideogram displayed on a computer screen in order to help the user navigate a computer system or mobile device .

2 bii )
browser – is a software application for retrieving ,presenting and traversing information resources on the World Wide Web .

3(a) ♡ Ctrl+P
♡ select “pages”
♡ type ” 1, 2, 3, 4, 5″ in the pages field
♡ select the desired printer
♡ click ok

(i) A pop-
up is a graphical user (GUI) display
area. The pop-up window
containing an advertisement is usually
generated by JavaScript that uses cross-site
scripting (XSS), sometimes with a secondary
payload that uses Adobe Flash. They can
also be generated by other vulnerabilities/
security holes in browser security.

(ii) Pop-up ads or pop-ups are forms of online
advertising on the World Wide Web.

(iii) Open Internet Explorer. Click the
tools button (it is in the top
righthand corner and looks like a
cog), then select internet options.
Go to the Privacy tab, and under
Pop-up Blocker, select the Turn
on Pop -up Blocker check box, and
then tap or click ok.

(i) Microsoft power point


(i) Microsoft word
(ii) web browser

(i) Printer
(ii) Computer system

(i) He must have internet access
(ii) He must have correct recipient email address

(i) Not connected to the internet
(ii) Slow network
(iii) The size of the attachment maybe too big


Web browser

(i) Mozilla Firefox
(ii) Google Chrome
(iii) Internet Explorer


( 6 ai)
Drop cap

( 6 aii )
( i ) Type the first word or sentence .
( ii ) Highlight the first character .
( iii ) Click on drop cap from insert menu .

( 6 aiii )
( a) Click enter after the second paragraph .
( b ) Click on columns from page layout on menu bar.
( c) Click on two columns from more columns option.
( d ) Mark on line between box , select from this point forward on apply to box .
Click Ok

( 6 b )
( i ) Shape
( ii ) clip art

6 ci)
– Launch the corel draw application
– click on elipse tool or F 7 on keyboard and drag .

( 6 cii )
– On the corel draw environment
– click on text tool and Click on the place to add the caption .
– Type ” Happy Birthday ” From the keyboard .

( 6 ciii )
– Highlight the caption
– Click on fill text
– Select red colour from fill colour dialog box

( 6 civ )
– Highlight the caption and click on text on the menu bar.
– Click on text to path
– Click on the circular object with the arrow

9a )- He decides the demand of the product at that time

– He helps to make arrangement for storage facilities

– He helps to fix the price for the price for the agricultural product

He helps to look at the quality and quantity of agricultural product to be marketed-

He helps to grade the agricultural product

(9 b) – Facilitator helps to decide where there is the demand for the processed food –

He also helps in fixing the good price for the product

– He decides on how to store the product in the case of excess –

He will decide the quality of the product-

He helps in grading of the product

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