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Data processing Waec Past Questions
Paper 1
1.Who developed the first digital electronic computer?
a. Blaise Pascal b. Joseph Jacquard c. Mauchly and Eckert
d. Von Leibniz
2. Which generation of computers made use of integrated circuits?
a. Fourth b. Third c. Second d. First
3. Which of the following is alphabetic data?
a. Bed b. Ax44jj c. AB + CD d. %
4. The type of data which consists of text, number, audio,video, graphic, and animation is called
a. data set b. multimedia data c. multi-purpose data d.
multi-variable data
5. Which of the following factors is not considered when
classifying computers?
a. Location b. Size c. Type d. Purpose
6. Which of the following is not used for online shopping?
a. Master Card b. Credit Card c. Verve Card d. Sim Card
7. Which of the following is a negative impact of ICT in
education?
a. Plagiarism b. e-library c. Distance learning d. Computer- based test
8. Which of the following are parts of a computer
processor?
a. CPU and main memory b. Control Unit and ALU c.
Operating system and applications d. Main memory and
storage
9. Data gathering involves the following means except
a. Counting process b. voting process c. measuring process
d. calculating process
10. Two computers, X and Y are such that the processor in X has a word size of 32 bits while that of Y is 16 bits. Which of the following statements is true?
a. X can process half as much data as Y at the same time
b. X can process the same amount of data as Y at the same time
c. X can process two times as much data as Y at the same time d. X can process four times as much data as Y at the same time.
11. The television set displays information as
a. antenna signals b. visual signals c. audio signals d. audio-visual signals
12. Which of the following is not an ancient medium for
transmitting information?
a. Fire lighting b. Beating of drums c. Telephone d. Whistling
13. A server is a computer that provides services to other computers called
a. clients b. peers c. routers d. switches
14. The rules for exchanging data on a network are known as
a. transmission rules b. transfer rules c. protocols d.
configurations
15. A search engine is a
a. program that searches engines b. computer engine that searches a database c. hardware component of a computer
d. a tool that searches the web
Paper 2
Short Structured Questions
Section A
1 a. Describe Data Handling
b. Explain two ways of handling data
c. State four factors to consider when handling data
electronically.
2 a. Define Information Processing
b. State Four steps involved in Information processing
c. Mention three advantages of using computers for
information processing. Highlight three disadvantages of using computers for information processing.
3 a i. With the aid of a simple diagram, explain information transmission
ii. Give one example of information transmission
b. Give one example of each of the following:
i. Single User, Single Tasking operating system
ii. Single user, multitasking operating system
iii. multi-user operating system.
List four features of a Graphical User Interface.
4a. Mention four qualities of a good computer professional
b. List four computer professional bodies in Nigeria
c. Write the full meaning of the following:
i. WiFi
ii. GUI
Section B
1. (a) Folders are used for storing files on the computer.
List the steps for carrying out the following operations:
creating a folder on the desktop Giving name to the folder Sending a file from “My Documents” folder into the folder create in 6a Changing the name of the folder in 6a to results
(b) The table below shows selected fields and data types in Ms-Access. Use it to answer questions 6(b) (i) and 6(b) (ii)
Fields Data Types
FullName Text
Mat. No Text
Date Of Birth *
Fees *
Address Memo
i. What is the appropriate data type for:
i. Date of Birth Field;
ii. Fees Field?
ii. If Ms Access is running, describe the procedures to:
I. Create a table with the fields as given above using design view;
II. Set the Mat. No Field as the primary key
III. Set the FullName Field to a maximum of 50 characters.
More Theory Questions That You Can Practise
1 a.What is a data model
b. State three types of data model
c. List three approaches to data modeling
d. Explain any one approach in 1c
2.Itoro was tasked with the responsibility of producing the report of his group project. He is to submit both the soft and hard copies of the report to his form teacher. The soft copy must be submitted to the email:formteacher@school.edu.ng
(i) List two:
I. applications required to carry out the task;
II. hardware required to carry out the task.
(ii) Identify two conditions to be satisfied by Itoro to
submit the electronic copy of the report.
(iii) On the first attempt to send the sfot copy of the
report, Itoro observed a “spinning wait cursor”/”spinning
disc pointer’ on the screen for a long time.
Identify three possible reasons for the observation.
(iv) State one output device that can be used to produce the hard copy of the report.
Figure 2 is an interface of an application software. Use the figure to answer question 2(b)
3.(a) Vera, a secretary to the manager of her organization is saddled with the responsibility of typing a confidential report. She is also instructed to insert the word “CONFIDENTIAL” diagonally in the background of every page of the report.
(i) State the most suitable application software needed by Vera to produce the report.
(ii) What feature of the application software can be used to insert the word “CONFIDENTIAL” as instructed?
(iii) Mention one measure that can be taken to ensure the confidentiality of the soft copy of the report in the
computer.
(b) Explain the following terms:
(i) icon;
(ii) browser.