WAEC 2019 DATA PROCESSING EXPO

 

_________________________________________________________________________________________
_________________________________________________________________________________________

    Data Processing 2 (Essay)

9:30 am – 11:30 am 

Data Processing 1 (Objective)✔

11:30 am – 12:30 am ✔

Verified obj Dropping shortly👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾👇🏾  

z NO .1

A)

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

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

1b)- It allows you as a customer to make basic bank transactions without the aid of any bank branch representative or teller.

- It give customers easy access to their bank accounts

- It helps in recharging airtime on mobile phones and devices;  with ATM machine, you can recharge Air Time on your mobile phones and devices. 

- It is used in withdrawing cash for urgent use

Or use this! 

(1b)
(i) For cash withdrawals
(ii) For deposits
(iii) For transfer of funds

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.

(1cii)
(i) Electronic Mails
(ii) Telephone messages


1di)Ancient Method: The various
ways of transmitting information
in the ancient time are, oral
beaten drums
town crier
whistling
drawing diagrams
making representation
II) Modern Method: Information
was able to be passed easily with
concept of modernized form
within a short period of time.
Examples are Print out copies
Telephone
Radio
television
internet
telex
satellite

(3a)
(i) They might have been experiencing difficulties in resource Sharing
(ii) They might have lost some crucial data, so they want to connect it for Data Protection and Redundancy
(iii) Ease of Administration
(iv) To maintain complex internal communications systems

(3b)
(i) Modem
(ii) Network Router
(iii) Network Hub
(iv) Network Switch


(3c)
(i) Modem -  It modulates and demodulates the signal between the digital data of a computer and the analog signal of a telephone line.
(ii) Network Router - This is responsible for routing traffic from one to another network.
(iii) Network Hub - This is used to connect multiple network hosts also for data transfer.
(iv) Network Switch -  It helps in filter and forwarding of data

(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)

*Data processing*

REAL ANSWERS TO QUESTION 5

(5ai)
CD-ROM

(5aii)
CD-ROM technology

(5aiii)
It switch on the CPU
aiv) Carefully store in a coOK dry place

(5b)
P - It display video and graphical information generated by the computer graphics adaptor, allowing the use to interact with the computer

Q - It carries out the instructions of a computer program

R - It is to position a cursor on a computer screen

S - It is used to input characters and functions into the computer

T - It 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 equivalent

(5c)
Click on your works pace while still holding down your mouse button drag to draw your shape and release button when done

Or
(5ci)
Locate on the tool bar/box and select a circle tool "O" then move the mouse to the portable/workmen and click down the left button on the mouse and drag out to your desire shape
(5cii)
Select the text tool from the tool bar/box "A" and place the cursor on the portable area and type the word "Happy Birthday " ,then curve it using the curve tool form tool bar/box around the circular shape
(5ciii)
To change the color of the caption to green :
Select the caption on the work area "Happy birthday " and choose green color

==============================
Use this
(6a)
Create a barchart :
(6ai)
Highlight the table created  containing the values presented and select the bar chart icon and select the bar and instantly this transform to the bar chart
(6aii)
- Column: Click the column before the particular space you wish to add another column and right click then select insert from the drop down menu and click on column either to top or down

- Row :  Click the row before the particular  space you wish to add another row and  right click  , then select insert form the drop down menu and select row either to the right or left

(6b)
Click the document you wish to add page button to 
Go to the design tab on the menu bar on the page background select page borders and click on the page border tab select the desire design and choose a color select the width drop down arrow and choose a line width and click OK to apply the line border

WE ARE NOW DONE WITH TODAY EXAM 

*MISSION ACCOMPLISHED

EXAM OXYGEN

BEST EXAM PORTAL EXAM OXYGEN

Share this post