WAEC 2023 Data Processing Essays And Objective Answers

DATA PROCESSING
1-10: DADBABCDCA
11-20: BDAABADCAD
21-30: CBBBDBCDDD
31-40: CCDBCDAADD

GOOD LUCK ALL✅

(1a)
Disk space analyzer
[PICK ANY ONE]
(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
[PICK ANY ONE]
(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
[PICK ANY ONE]
(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.

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(1e)
Uninstaller
[PICK ANY ONE]
(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.

*DATA PROCESSING*

(2ai)

(PICK ANY ONE)
Malware refers to any software program or code that is specifically designed to disrupt, damage, or gain unauthorized access to computer systems, networks, or devices

OR

Malware refers to malicious software programs or code that are designed to harm computer systems, networks, or devices

(2aii)
(PICK ANY THREE)

(i)Viruses
(ii)Worms
(iii)Trojans
(iv)Ransomware
(v)Spyware
(vi)Adware
(vii)Keyloggers
(viii)Botnets

(2b)
(PICK ANY THREE)

(i)Malware may slow system performance
(ii)it lead to excessive pop-up ads
(iii)it cause changes in browser settings
(iv)It may disabled or malfunctioning security software
(v)it lead to Frequent system crashes or instability
(vi)Increased data usage and internet connectivity issues

(2c)
(PICK ANY TWO)

(i)Exercise cautious while visiting websites and downloading files.
(ii)Always Keep your operating system and software up to date
(iii) Always be vigilant when opening emails with attachments and links especially from unknown source
(iv)Enable the built-in firewall on your operating system or use a reliable third-party firewall.
(v)Create strong, complex passwords for your online accounts and avoid reusing passwords across different platforms

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(3a)
1.Graphics Designer
2 Engineer

(3b)
1. Pick tool
2. Shape tool
3. Text tool

(3bii)

(3c)
1. Graphic design: CorelDRAW is a versatile and powerful tool used by graphic designers to create logos, icons, posters, illustrations, and other digital graphics for print and online use.

2. Page layout design: With CorelDRAW, users can create professional-quality, multi-page layouts for print and digital publications such as magazines, brochures and newsletters.

3. Web design: CorelDRAW offers a variety of features for web design, allowing users to create and optimize images for use on websites and social media platforms.

4. Printing and publishing: CorelDRAW is widely used in the print and publishing industry for designing layouts, creating vector graphics, and preparing files for printing.

(4ai)
(PICK ANY ONE)

(i)Fragmentation refers to the division of database objects or data itself into smaller pieces or fragments. WHILE Replication refers to the process of creating and maintaining multiple copies of data or database objects in different systems.

(ii)fragmentation focuses on dividing data or objects into smaller pieces for performance and storage optimization, while replication involves creating redundant copies of data for improved availability, fault tolerance, and performance across multiple locations or systems.

(iii)Fragments of data or objects are often interconnected and rely on each other WHILE Replicated data or objects are independent of each other

(4aii)
(PICK ANY TWO)

(i)Replication improves data availability by distributing copies of data across multiple systems
(ii)Replication can help improve system performance by reducing the load on individual systems.
(iii)Replication provides data durability and protection against data loss.
(iv)Replication enhances fault tolerance and system reliability
(v)Replication can facilitate load balancing and scalability in distributed systems
(vi)Replication enables offline access to data or resources.

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(4bi)
(PICK ANY TWO)

(i)File System Fragmentation
(ii)Network Fragmentation
(iii)Memory Fragmentation

(4bii)
(PICK ANY TWO)

(i)Oracle Database
(ii)Microsoft SQL Server
(iii)PostgreSQL
(iv)IBM DB2
(v)SQLite
(vi)MariaDB

(6aii)
(i)Ensure that the edtech tools you’re using are encrypted

(iii) Be transparent with students and parents

(iii) . Be transparent with students and parents

(6b)
(i)Select the cells that you want to contain the lists.

(ii)On the ribbon, click DATA > Data Validation.

(iii)In the dialog, set Allow to List.

(iv)Click in Source, type the text or numbers (separated by commas, for a comma-delimited list) that you want in your drop-down list, and click OK.

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