*_2018 DATA PROCESSING ANSWERS_*

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1a)
data model is the process of structuring and organizing data in addition data model can also be defined as a description of the organisation of data in data base
____________________________

1aii)
i)flat file mode
ii)network model
iii)hierarchical database model
_________________________

1b)
i)conceptual data model
ii)logical data model
iii)physical data model
_________________________

1bi)
conceptual model is also known as the data model that can be used to describe the conceptual schema when a database system is implemented. It hides the internal details of physical storage and targets on describing entities, datatype, relationships and constraints.

__________________________


2 a )
Micro soft offfice word

2 aii )
water mark

2 aiii)
by saving doucument to a secured storage device

2 bi)
icon- is a pictogram or ideogram displayed on a computer screen in order to help the user navigate a computer system or mobile device .

2 bii )
browser - is a software application for retrieving ,presenting and traversing information resources on the World Wide Web .
__________________________


3(a) ♡ Ctrl+P
      ♡ select "pages"
      ♡ type " 1, 2, 3, 4, 5" in the pages field
      ♡ select the desired printer
     ♡ click ok


3b
(i) A pop-
up is a graphical user (GUI) display
area. The pop-up window
containing an advertisement is usually
generated by JavaScript that uses cross-site
scripting (XSS), sometimes with a secondary
payload that uses Adobe Flash. They can
also be generated by other vulnerabilities/
security holes in browser security.

(ii) Pop-up ads or pop-ups are forms of online
advertising on the World Wide Web.

(iii) Open Internet Explorer. Click the
tools button (it is in the top
righthand corner and looks like a
cog), then select internet options.
Go to the Privacy tab, and under
Pop-up Blocker, select the Turn
on Pop -up Blocker check box, and
then tap or click ok.

3c
(i) Microsoft power point

___________________________________

(5ai)

Two software:
                   - Microsoft word
                   - web browser

Two hardware :
                - Printer
                - Computer system

(5aii)

- He must have internet access
- He must have correct recipient email address

(5aiii)

- Not connected to the internet
- Slow network
- The size of the attachment maybe too big

(5aiv)

Printer

(5b)

- Web browser

(5bii)

- Mozilla Firefox
-Google Chrome
- Internet Explorer

________________________________

(6 a)

(i ) Devices with high Processor is faster in accessing of data

(ii ) When the memory size of the device is high , it quicks data access .

(iii ) When the Content of the device is high, it slows down access of data

(iv ) Virus- free device can access data quicly

(6 b)

(i ) Instant messaging is a type of communications service that enables you to create a kind of private chat room with another individual in order to communicate in real time over the Internet, analagous to a telephone conversation but using text – based , not voice – based , communication .


(ii ) E – commerce (electronic commerce or EC) is the buying and selling of goods and services , or the transmitting of funds or data , over an electronic network , primarily the internet .


(iii ) Homepage: This is the main page of a website which gives detailed information on its owner and provides links to its other parts . Usually it is the first page seen by every visitor, but some sites ( such as those of newspapers or portals ) display a fresh page everyday, custom – tailored to the individual visitor’ s preferences.


(iv ) ISP : ISP simply means Internet Service Provider. It is a company that provides you with access to the Internet, usually for a fee. The most common ways to connect to an ISP are by using a phone line (dial- up ) or broadband connection ( cable or DSL ) .

________________________________

9a )- He decides the demand of the product at that time

– He helps to make arrangement for storage facilities

– He helps to fix the price for the price for the agricultural product

He helps to look at the quality and quantity of agricultural product to be marketed-

He helps to grade the agricultural product


(9 b) – Facilitator helps to decide where there is the demand for the processed food –

He also helps in fixing the good price for the product

– He decides on how to store the product in the case of excess –

He will decide the quality of the product-

He helps in grading of the productproduct



*OBJ DATA PROCESSING* (WASSCE18)

1-10: ADDBCCDCCA

11-20: CBABCCDADA

21-30: DBBBBACDAD

31-40: ADADACCADA


_Thank you all Have a nice day

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