Neco Data processing Questions & Answers 2016 Expo
DATA PROCESSING:
1-10: DEEBDCCCAA
11-20: BBBAAADEAB
21-30: EDCDADBAEA
31-40: ABCBDADBDB
41-50: DBBEEBDCBA
51-60: AADBCACCDB
2a
Computer virus:
A computer virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data files, or the boot sector of the hard drive; when this replication succeeds, the affected areas are then said to be "infected".
2aii)
In spreadsheets, a mode in which adjustment or changes are made to a cell is Automatic Recalculation.
Automatic recalculation ensures that the spreadsheet data is always up-to-date, but it may make working on the spreadsheet slower.
2bii)
A good presentation package has the following features:
I) capability to handle advanced features including sound, images, animation, ii)slide transitions, hyperlinks, .
iii) It also as plain text of course.
iv) It contains hotspot and navigation controls
3ai)relational database is a digital database whose organization is based on the relational model of data, as proposed by E. F. Codd in 1970.
ii)
-Tables
-forms
-queries
3iii)
A program file refers to sets of instructions that are put together to build up the application you will be using. Several files are linked between each other to see the application that pops in your screen.
A data file is basically the application's feeding as it provides what is needed for your program to work and convert single pieces of data on understandable information.
3bi)
Two way, real-time transmission of audio and video signals between specialized devices or computers at two or more locations via satellite (wireless) over a network such as a LAN or
internet.
ii) 1. No time constraint:
2. Dramatic travel saving:
3. Easy communication
4. Increased productivity:
3biii)
As a term, teleconferencing alludes to the act
of conducting a conference with several
individuals who are in different locations as
opposed to just one place at the same time.
Telephones, computers, televisions (video),
internet and radio are some of the tools that
are utilized to successfully carry out a
teleconference. Videoconferencing, while
referring to the aforementioned way of
conferencing restricts itself to the utilization
of video, implying the ability to see and hear
all the participants in the conference
(3ci)
(i) Reduced updating errors and increased consistency
(ii) Greater data integrity and independence from applications programs
(3cii)
(i) Write a problem statement for what you want to do
(ii) Write an outline, if it is complex
(5)
-Systematic gathering
-Recording
-Analyzing of data
-Collection of data
-Decision making
-Systematic gathering: Is d collection of data frm various sources to gather common knowledge of the people/customers
-Recording: Is the documentation of the data and
-Analyzing of data is when the idea,knowledge dat are collected frm random people are worked on by the research agents
-Collection of data: Is when the research agent use various methods to bring various ideas together from several customers
-Decision making: Is when the data are collected and analysed & are considered for usage
Data processing
(6a)
(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
(6b)
(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).
6biii)
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.
1-10: DEEBDCCCAA
11-20: BBBAAADEAB
21-30: EDCDADBAEA
31-40: ABCBDADBDB
41-50: DBBEEBDCBA
51-60: AADBCACCDB
2a
Computer virus:
A computer virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data files, or the boot sector of the hard drive; when this replication succeeds, the affected areas are then said to be "infected".
2aii)
In spreadsheets, a mode in which adjustment or changes are made to a cell is Automatic Recalculation.
Automatic recalculation ensures that the spreadsheet data is always up-to-date, but it may make working on the spreadsheet slower.
2bii)
A good presentation package has the following features:
I) capability to handle advanced features including sound, images, animation, ii)slide transitions, hyperlinks, .
iii) It also as plain text of course.
iv) It contains hotspot and navigation controls
3ai)relational database is a digital database whose organization is based on the relational model of data, as proposed by E. F. Codd in 1970.
ii)
-Tables
-forms
-queries
3iii)
A program file refers to sets of instructions that are put together to build up the application you will be using. Several files are linked between each other to see the application that pops in your screen.
A data file is basically the application's feeding as it provides what is needed for your program to work and convert single pieces of data on understandable information.
3bi)
Two way, real-time transmission of audio and video signals between specialized devices or computers at two or more locations via satellite (wireless) over a network such as a LAN or
internet.
ii) 1. No time constraint:
2. Dramatic travel saving:
3. Easy communication
4. Increased productivity:
3biii)
As a term, teleconferencing alludes to the act
of conducting a conference with several
individuals who are in different locations as
opposed to just one place at the same time.
Telephones, computers, televisions (video),
internet and radio are some of the tools that
are utilized to successfully carry out a
teleconference. Videoconferencing, while
referring to the aforementioned way of
conferencing restricts itself to the utilization
of video, implying the ability to see and hear
all the participants in the conference
(3ci)
(i) Reduced updating errors and increased consistency
(ii) Greater data integrity and independence from applications programs
(3cii)
(i) Write a problem statement for what you want to do
(ii) Write an outline, if it is complex
(5)
-Systematic gathering
-Recording
-Analyzing of data
-Collection of data
-Decision making
-Systematic gathering: Is d collection of data frm various sources to gather common knowledge of the people/customers
-Recording: Is the documentation of the data and
-Analyzing of data is when the idea,knowledge dat are collected frm random people are worked on by the research agents
-Collection of data: Is when the research agent use various methods to bring various ideas together from several customers
-Decision making: Is when the data are collected and analysed & are considered for usage
Data processing
(6a)
(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
(6b)
(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).
6biii)
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.
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