2019 WAEC Data Processing Answers OBJ & ESSAY

Sageer SGR
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Subject: DATA PROCESSING
Author: πŸ‡Έ‌πŸ‡¦‌πŸ‡¬‌πŸ‡ͺ‌πŸ‡ͺ‌πŸ‡·‌ 
Credits: www.sageerweb.com.ng
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  1. ==== OBJECTIVES ====
  • 1-10
  • 10-20
  • 20-30
  • 30-40
  • 40-50


  1. ======= Essay =======
Queatiin .(1)

A)

Teleconferencing  Is the Audio or audio-visual meeting between geographically separated parties linked by telecommunications networks such as telephones or internet.

====================

1B)

.i ) Using an ATM, customers can access their bank deposit or credit accounts in order to make a variety of financial transactions such as cash withdrawals, check balances, or credit mobile phones.

ii) ATMs can be used to withdraw cash in a foreign country

iii) It facilitates basic bank transactions

iv) You can buy and transfer airtime to your family member, relative or friend through ATM machine.


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1C)

Modem stands for MOdulator/DEModulator. A modem converts digital signals generated by the computer into analog signals which can be transmitted over a telephone or cable line and transforms incoming analog signals into their digital equivalents.


(4ai)
Entities: are usually recognizable concepts, either concrete or abstract, such as person, places, things, or events which have relevance to the database

(4aii)
Attribute: refers to a database component, such a table. It also may refer to a database field. In other words Attributes describe the instances in the row of a database.

(4aiii)
Relationships is  a common type of database whose data is stored in tables.

(4bi)
Cardinality refers to the uniqueness of data values contained in a column. In other words High cardinality means that the column contains a large percentage of totally unique values and  Low cardinality means that the column contains a lot of “repeats” in its data range.

(4bii)
(i)one-to-one (1:1)
(ii)one-to-many (1:M)
(iii)many-to-many (M:N)


5ai)
soft ware
i)micro soft word
ii)web browser

5ai)
hard ware
i)printer
ii)computer system

5aii)
i)he must have internet access
ii)he must have correct receipants email address

5aiii)
i)Not connected to the internet
ii)slow network
iii)the size of the attachment may be too big
5aiv)
printer

5b)
i)web browser
ii)mozila fire fox
iii)google chrome
iv)internent explorer
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6ai)
drop cap

6aii)
i)type the first word or sentence
ii)highlight the first character
iii)click on drop cap from insert menu

6aiii)
a)click enter after the second paragraph
b)click on colums from page layout on menu bar
c)click on two colums from more colums option
d)mark on line between box select from this point forward on apply to box click ok

6b)
i)shapes
ii)clip air

6ci)
i)launch the coreldraw application
ii)click on ellipse tool or F+ on Keybord and drag

6cii)
i)on the coreldraw enviroment
ii)click on text tool and click on the place to add the caption
iii)typ oye “Happy Birthday” from the keyboard

6ciii)
i)highlight the caption
ii)click on fill tool
iii)select red colour from fill colour dialog box

6civ)
i)highlight the caption and click on text on the menu bar
ii)click on text to path
iii)click on the circular object with the arrow



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