WAEC Data Processing Answers
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
i) shift + A
ii) Ctrl + c
iii. Ctrl + v
We select the present first and copy it from the application. Open the profile in Microsoft word application.
-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
-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
– super computer
– mainframe 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 or
it can be defined as 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.
-ICT has also change the way we shop:ICT has changed the way we shop lots of people shop online now for a number of things like: cloths, games, food and music witch is easier for us most of the time
-ICT technology has changed the way we judge sports how we watch them and also in some case’s how we competed in them. the use of game consoles have a lot to do with sport is well Lewis Hamilton said that he managed to learn the racing tracks because he had played them on his PlayStation
-Some ICT technology has taken over lots jobs because for example one special built robot can do the work that 60 people would do in a quicker time and also up to a better standard and this is happening because now it is cheaper for the business or companies to do this because then they don’t have to pay the works or pay to keep the room or area they work in heated they also don’t have to pay for sick pay and the robots will work longer they would be faster and the work would be better quality then humans.
Computer ethics is part of practical philosophy which concern with how computing professionals should make decisions regarding professional and social conduct.
Below are suggestion of rules and regulations for computer lab users.
-Pupils are prohibited to enter the lab unless authorised by the teacher
-Scan diskettes before using them
-Report all problems related to the system to the teacher
-Do not attempt to repair or tamper with lab equipment
-Be responsible when using equipment, software and facilities in the lab
-Do not move any equipment from its original position
– Do not remove or load any software into the computer
– Do not change the settings in the computer
-Save all work in external storage device and not in the computer
– Do not bring in bags, food and drink into the lab
-Turn off the computer accordingly after use.
III – CPU
VI- SOCKET AC SOURCE
Ensure you use stabilizer when using the computer so that the power source will not be fluctuating.
true the Keybord/CPU
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