WAEC Data Processing OBJ and Theory/Essay Question and Answer – May/June 2017 Expo Runs
VERIFIED DATA PROCESSING OBJ
DATA PROCESSING THEORY ANSWER
All answer updated 1,2,3,4,5,6 and 7 posted
i) super computer
ii) mainframe computer
iv) mirco computer
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
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.
Computer ethics is a part of practical philosophy which concern with how computing professionals should make decisions regarding professional and social conduct.
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.
-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.
-Adapts to a changing environment
-Predictive cash flow
PLEASE USE THIS NO.5
I Ctrl + C
II Ctrl + S
III Ctrl + P
-Word processing packages
-Corel draw packages
-Excell processing packages
-Lotus word pro-windows
Keystroke: Ctrl + return,Ctrl + F,Ctrl +F2
Action: Page break,Find and replace,help,print preview
VI. SOCKET AC SOURCE
Ensure you use stabilizer when using the computer so that the power source will not be fluctuating.
II and III
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
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