WAEC 2023 DATA PROCESSING PAST QUESTIONS AND ANSWERS
(1a) .
Disk space analyzer
(i) Helps to identify files and folders that are taking up too much space on the hard drive
(ii) Provides a graphical representation of disk usage
(iii) Allows for the sorting of large files and folders by size
(iv) Facilitates the deletion of unnecessary files and folders
(v) Enables the user to free up disk space for other applications
(vi) Helps to optimize the performance of the computer by reducing unnecessary file clutter.
(1b) .
Backup utility
(i) Creates backup copies of data files and settings
(ii) Provides an automated backup schedule to keep the data up-to-date
(iii) Offers different types of data backups such as full differential or incremental
(iv) Ensures data security by providing encryption and password protection
(v) Allows the user to restore data from backups in case of system failure or data loss
(vi) Helps to ensure the continuity of business operations in the event of a disaster.
(1c) .
Register cleaner
(i) Scans the Windows Registry for errors and invalid entries
(ii) Cleans up obsolete redundant and unwanted registry entries
(iii) Helps to improve the overall performance of the computer by accelerating Windows boot-up times
(iv) Streamlines the registry system
(v) Makes system backups in case of accidental deletion of essential registry files
(vi) Prevents system crashes and maximizes the stability of the operating system.
(1d) .
File manager
[PICK ANY ONE]
(i) Allows for the management of files and folders on the computer
(ii) Provides a user-friendly interface for navigating and opening files
(iii) Enables the creation deletion and renaming of files and folders
(iv) Helps to organize files and folders by allowing for the creation of groups
(v) Facilitates the transfer of files and folders between different locations
(vi) Provides advanced search features to locate specific files or folders on the computer.
(1e)
Uninstaller
(i) Enables the user to remove unwanted software or applications from the computer
(ii) Helps to remove traces of the uninstalled software from the system
(iii) Can remove multiple applications at once
(iv) Provides a complete list of installed programs on the computer
(v) Ensures the complete and safe removal of software including registry entries and associated files
(vi) Helps to improve system performance by freeing up disk space that had been previously occupied by the uninstalled software.
(2ai)
Malware in computing is a term used to describe any malicious software that is designed to harm or exploit a computer system or its user. Malware can be in the form of viruses worms Trojans ransomware spyware adware bots and rootkits.
(2aii) .
(i) Virus
(ii) Worm
(iii) Trojan
(iv) Ransomware
(v) Spyware
(vi) Adware
(vii) Rootkit
(2).
(i) Slow computer performance
(ii) Unexplained pop-up ads
(iii) Frequent crashes or freezes
(iv) Unusual error messages
(v) Changes to your homepage or search engine
(vi) Loss or corruption of important files
(2c).
(i) Use antivirus and anti-malware software
(ii) Keep your operating system and software up-to-date with the latest security patches
(iii) Be cautious of emails from unknown senders and avoid clicking on suspicious links or attachments
(iv) Use strong and unique passwords for all your accounts
(v) Backup your files regularly
(vi) Educate yourself on how to recognize and avoid malware attacks.
(3a).
(i) Web Designers
(ii) Graphic Designers
(iii) Artists and Illustrators
(iv) Advertising Professionals
(v) Photographers
(3bi).
(i) Pick tool
(ii) Shape tool
(iii) Crop tool
(iv) Text tool
(v) Eyedropper tool
(3bii).
(i) Pick tool:
- To Select and move objects on the canvas.
-To Adjust the size, rotation, and position of selected objects.
(ii) Shape tool:
-To Create and modify geometric shapes such as rectangles, ellipses, polygons, and stars.
-To Edit the nodes and curves of existing shapes to create custom designs.
(iii) Crop tool:
-To Remove unwanted parts of an image or artwork by cropping it.
-To Adjust the dimensions and aspect ratio of the cropped area.
(iv) Text tool:
- Add and edit text in various fonts, sizes, and styles.
- Format text with options for alignment, spacing, and effects.
(v) Eyedropper tool:
-To Sample and select colors from existing objects or images.
-To Apply the selected color to other objects or elements in the design
(3c).
(i) CorelDRAW is popularly used for graphic design.
(ii) CorelDRAW provides powerful tools for creating digital illustrations.
(iii) CorelDRAW is also suitable for designing page layouts for print and digital media.
(iv) CorelDRAW offers features specifically tailored for web design and development.
(v) CorelDRAW is used for vector editing.
(4ai).
(i) Fragmentation refers to dividing a database into smaller pieces WHILE replication involves creating multiple copies of data to be stored on different servers.
(ii) Fragmentation is done to improve performance by reducing the amount of data that needs to be accessed WHILE replication is done to improve availability and reliability of data by creating redundant copies.
(iii) Fragmentation involves storing data in different locations WHILE replication involves storing copies of data in the same or different locations.
(iv) Fragmentation can lead to inconsistent data due to the distribution of data WHILE replication ensures consistent data by keeping copies up-to-date.
(v) Fragmentation can introduce complexity in managing data WHILE replication simplifies data management by allowing for easy backups and fail over.
(vi) Fragmentation can reduce network usage by reducing the data that needs to be transferred WHILE replication can increase network usage by creating redundant copies of data.
(4aii).
(i) Higher storage requirements: Creating multiple copies of data requires more storage space which can be expensive and inefficient.
(ii) Increased complexity: Managing multiple copies of data introduces complexity which can make it difficult to maintain consistency and accuracy of data.
(iii) Synchronization issues: Replication can introduce synchronization issues if multiple copies of data are updated at the same time leading to inconsistent data.
(iv) Network congestion: Replication can lead to increased network congestion if large amounts of data need to be transferred between servers.
(v) Security issues: Replication can introduce security vulnerabilities if copies of data are not properly secured leading to data breaches or loss.
(vi) Maintenance overhead: Managing multiple copies of data requires additional maintenance overhead including backups and updates which can be time-consuming and costly.
(4bi)
(i) Horizontal fragmentation
(ii) Vertical fragmentation
(4bii).
(i) MySQL
(ii) Oracle Database
(iii) Microsoft SQL Server
(iv) IBM DB2
(v) SQLite.
DATA PROCESSING OBJECTIVE ANSWERS
01-10: DCDABBCDCC
11-20: BAADBACCAD
21-30: CBACABBDCD
31-40: CADBBDCADD
COMPLETED
DATA PROCESSING INSTRUCTIONS
SECTION A
ANSWER THREE QUESTIONS FROM THIS SECTION
QUESTION 1
QUESTION 2
QUESTION 3
QUESTION 4
SECTION B
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 5
QUESTION 6.
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