Waec 2017 Data Processing Obj And Theory Answers – May/June Expo

Friday, 31st March, 2017
Data Processing 2 (Essay) 09.30am – 11.30am
Data Processing 1 (Objective) 11.30am – 12.20am



-super computer
-mainframe computer
-mini computer
-mirco computer

Information and communications technology (ICT) refers to all the technology used to handle telecommunications, broadcast media, intelligent building management systems, audiovisual processing and transmission systems, and network-based control and monitoring functions.

(i) ICT has also change the way we shop. We now buy things online
(ii) ICT has changed the way we judge sports, how we watch them and also in some case’s how we competed in them.
(iii) Some ICT products has taken over lots of task like robot which is a product of ICT does some work for human.


Computer ethics is a part of practical philosophy which concern with how computing professionals should make decisions regarding professional and social conduct.

+Capacity planning
+Real-Time monitoring
+Documentation management

(i) keep your workstation area neat
(ii) surf safety
(iii) keep your files organized
(iv) Don’t shut down abruptly
(v) no food and drink


Web programming
Web programmer

(3di) Intranet

-It is a cheap medium of communication
-It does not give room for leakage of secret information by hackers
-It is easy to maintain. It requires less technical knowledge.



Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes.


-Corrects fault
-Improves performance
-Adapts to a changing environment
-Predictive cash flow


I Ctrl + C
II Ctrl + S
III Ctrl + P


-Word processing packages
-Corel draw packages
-Excell processing packages

-Word pad
-Quick office
-Lotus word pro-windows

S/N: i,ii,iii,iv
Keystroke: Ctrl + return,Ctrl + F,Ctrl +F2
Action: Page break,Find and replace,help,print preview


(6ai) Monitor

i. Monitor
ii. printers


Ensure you use stabilizer when using the computer so that the power source will not be fluctuating.

II and III

Internet Modem

Fig2. is a DVD diskette
Fig3. Is a magnetic tape diskette

The magnetic tape media is most suitable

A radio player

A radio player

Virtual sequential access method


By compressing the image sizes

More Loading………

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