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Waec 2023 Data Processing Objective And Theory Questions And Answers
By on June 26th, 2023. Waec





Fragmentation involves dividing a database into smaller, more manageable pieces called fragments. WHILE Replication involves creating and maintaining duplicate copies of the database or portions of it on multiple nodes or servers.

(i) Improved Data Availability
(ii) Increased Scalability
(iii) Enhanced Performance
(iv) Localized Access
(v) Disaster Recovery

(i) Horizontal Fragmentation
(ii) Vertical Fragmentation
(iii) Hybrid Fragmentation

(i) Oracle Database
(ii) Microsoft SQL Server
(iii) MySQL
(iv) IBM Db2
(v) Microsoft Access

Malware is a any type of malicious software designed to harm or exploit any programmable device, service or network.

(i) Trojan horses
(ii) Ransomware
(iii) Spyware

(i) Unexpected freezing or crashing
(ii) Diminished storage space
(iii) Unusual error messages.

(i) Keep your computer and software updated.
(ii) Use a non-administrator account whenever possible

(i) Architects
(ii) Graphic designers

(i) Pick Tool
(ii) Shape edit Tool
(iii) Crop Tool

(i) Pick Tool: It is used for selecting, selecting, and arranging objects such as size, tilt, rotation, and others.

(ii) Shape edit Tool: It is used to edit the shape of objects.

(iii) Crop Tool: It is used to remove unwanted areas in objects.

(i) It is use to improve the Perspective and Quality of Images
(ii) It is use to convert Raster Images to Vector Images

(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.(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.

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