WAEC 2017 Data Processing Expo Answer – May/June

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WAEC Data Processing OBJ and Theory/Essay Question and Answer – May/June 2017 Expo Runs

VERIFIED DATA PROCESSING OBJ
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11ABBDCBDBDA
21BAADBCACDB
31DDCBAADDBD

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DATA PROCESSING THEORY ANSWER

All answer updated 1,2,3,4,5,6 and 7 posted

1a)
i) super computer
ii) mainframe computer
iii)mini computer
iv) mirco computer

1b)
information and communications technology is an umbrella term that includes any communication device or application, encompassing: radio, television, cellular phones, computer and network hardware and software, satellite systems and so on, as well as the various services and applications

1c)
i)Making learning more interesting for hard-to-understand issues
ii)Bridging distances – e.g using e-mails, phone, video conferencing etc.
iii)Breaking literacy barriers in communication – e.g using video and radio.
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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 management
2b)
i)Pupils are prohibited to enter the lab unless authorised by the teacher.
ii)Scan diskettes before using them.
iii)Report all problems related to the system to the teacher.
iv)Do not attempt to repair or tamper with lab equipment.
v)Be responsible when using equipment, software and facilities in the lab.
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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 give room for leakage of secret information by hackers
-It is easy to maintain. It requires less technical knowledge.
3e)
-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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PLEASE USE THIS NO.5
5ai)
I Ctrl + C
II Ctrl + S
III Ctrl + P
5bi)
I-Monitor
II-CPU
III-Printer
bii)
-Word processing packages
-Corel draw packages
-Excell processing packages
5biii)
-Word pad
-Quick office
-Lotus word pro-windows
5c)
TABULATE
S/N: i,ii,iii,iv
Keystroke: Ctrl + return,Ctrl + F,Ctrl +F2
Action: Page break,Find and replace,help,print preview
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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

Number 7

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