WAEC Data Processing Questions and Answers 2021 Released.
The Waec data processing answers 2021 questions for practical, essay, and objective exam can now be seen here. The West African Examination Council (WAEC) Data Processing paper will be written on Monday, 11th May 2021.
The Waec Data Processing (Essay) paper will start by 8:30 am and will last for 2hrs 30mins while the Data Processing (Objective) exam will commence at 11:00 am and will last for 1hr.
In this post, we will be giving out the waec data processing questions for candidates that will participate in the examination from past questions.
WAEC Data Processing Answers 2021.
PAPER 2 [Essay]
Answer any FOUR questions.
Write your answers on the answer booklet provided.
1. (a) What is a computer virus?
(b) Mention three sources of computer viruses
(c) List two ways of preventing computer virus infection.
(d) State one function of each of the following units of a computer:
i. input unit;
ii. memory unit.
(e) Give one example of each of the following:
i. Input unit;
ii. Memory unit.
2. (a) Give two examples of a word processing application.
(b) Distinguish between the “Save” and “Save As” commands.
(c) State the function of the following key combination:
i. Ctrl + shift + +
ii. Ctrl + E
(d) A college secretary who is typing the school’s examination questions sits all day in front of a Cathode-ray tube (CRT) monitor which is positioned below her eye level.
i. Mention two measures that the secretary should take in order not to have a medical problem.
ii. Identify two health-related challenges that the secretary is likely to face.
3. (a) State one difference between a computer professional and a computer user.
(b) i. List four Computer Professionals.
ii. State one function for each of the professionals listed in 3(b) (i) above.
(c) Mention four safety measures to be taken when working in a computer laboratory.
Mention four safety measures to be taken when working in a computer laboratory.
|S/N||COMPUTER PROFESSIONAL||COMPUTER USER|
|1||Has undergone a course of study/training and is certificated||Not certificated|
|2||Is a member of a Computer Professional organization||Is not a member of any professional Organization|
|S/N||COMPUTER PROFESSIONAL||COMPUTER USER|
|1||Database Administrator||Creates, updates, and manages databases
Controls and implements database security, database recovery, and control
|2||Systems Analyst||Carries out feasibility studies on systems and systems design
Recommends systems specification to the Programmer.
Liaise between the user and the Programmer
|3||Programmer||Writes codes/instructions for the computer|
|3||Network Administrator||Sets up, oversees, and coordinates the smooth functioning of the computer Network.
Provides network support services to the users
|4||Website Developers/Designers/Administrator||Designs, develops, updates, and maintains Websites. He is also responsible for website security|
|5||Computer Engineer||Provides Hardware specifications
Designs and develop systems programs
|6||Computer Hardware Technician||Maintenance/repair of computers
Upgrading of computers
Setting up/installations of computers
|7||Data Processing Manager||Plans, organizes, coordinates, and reviews the activities of data processing staff|
(c) Use of soft and dry cleaning materials, maintaining a proper sitting position, provision of adequate ventilation, proper shut down of the computer system, avoiding eating and drinking in the Laboratory, and maintaining a dust-free environment.
4. (a) A general hospital decides to computerize the records in all its departments.
(b) State one database management system that can be used for this project.
(c) List two ways of preventing unauthorized access to the stored data.
Waec Data Processing Objective Questions 2021.
PAPER 1 (Objective)
Answer All the questions in this section.
Write your answers in the answer sheet provided.
1. At what stage of information processing is data validation carried out?
A. Data analysis
B. Data collection
C. Data processing
D. Data summarization
2. Which of the following factors is not considered when classifying computers?
3. Which of these channels would enable business transactions between a buyer from Nigeria and a seller from Ghana?
4. Microprocessor was used as the main electronic component of the
A. first-generation computers
B. second-generation Computers
C. third generation computers
D. fourth generation computers.
5. The first generation computers made use of
A. low-level programming language
B. high-level programming language
C. object-oriented programming language
D. procedural programming language.
6. The act of producing information from figures, text, or images is called data
7. The following are primary sources of information except
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