Expo: Data Processing Waec 2017 Free Expo Answers See Here>>>>>


 

Data Processing OBJ Objective And Theory Essay Waec 2017 Free Expo Answers
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Friday 31st March, 2017
Data Processing 2 (Essay) 09.30am – 11.30am
Data Processing 1 (Objective) 11.30am – 12.30pm
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1a) super computer
ii) mainframe computer
iii)mini computer
iv)micro computer
1b.
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
2a.
Computer ethics is a part of practical philosophy which concern with how computing professionals should make decisions regarding professional and social conduct.2aii.
* Capacity planning
* Real-Time monitoring
* Documentation management2b)
I.no food and drink
ii.keep your workstation area neat
iii.surf safety
iv. keep your files organized
v. Don’t shut down abruptly
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(3a)
Web programming
(3b)
Web programmer
(3c)
-VB.NET
-MYSQL

(3di) Intranet

(3dii)
-It is a cheap medium of communication
-It does not allow for leakage of secret information by hackers
-It is easy to maintain. It requires less technical knowledge.

(e)
-Router
-Modem
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(4a)
Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes.(4b)
-Corrective
-Perfective
-Adaptive
-Preventive

(4c)
-Corrects fault
-Improves performance
-Adapts to a changing environment
-Predictive cash flow
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5ai) shift + A
ii. Ctrl + c
iii. Ctrl + v

ii. We select the present first and copy it from the application. Open the profile in Microsoft word application.

B1. Computer set
ii.network cable
iii. Router

Bii I.ms access
ii. My SQL
Iii. IDB

Iii. I. Word pard
II. Ms word
III
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6ai] Monitor

6aii]
iMonitor
ii. printers
(6ai) Monitor
(6aii)
i. Monitor
ii. printers
(6aiii)
III. CPU
VI. SOCKET AC SOURCE
VII. PRINTER.
(6iv)
Ensure you use stabilizer when using the computer so that the power source will not be fluctuating.
(6v)
II and III
(6vi)
Internet Modem

6bi)
Fig2. is a DVD diskette
Fig3. Is a magnetic tape diskette
6bii)
The magnetic tape media is most suitable
6biii)
A radio player
6biii)
A radio player
6biv)
Virtual sequential access method
6ci)
300×1000/300=1000
6cii)
By compressing the image sizes
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7)

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