CSS - PMS - CCE - PCS - Basic Computing
Database Basics
The actual data stored in a database at a particular moment is called the database:
A. Schema
B. Instance
C. Model
D. Dictionary
Correct Answer: B
A database instance is the current collection of data stored in the database at a specific time.
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Database Basics
The overall logical design of a database is called its:
A. Instance
B. Schema
C. Backup
D. Query
Correct Answer: B
A schema defines the structure of the database, including tables, fields, relationships, and constraints.
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Database Basics
A database table is also known as a:
A. Relation
B. Loop
C. Module
D. Procedure
Correct Answer: A
In the relational model, a table is called a relation.
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Database Basics
In a database table, a column is commonly called a:
A. Record
B. Field
C. Transaction
D. Report
Correct Answer: B
A column is a field or attribute that stores one type of data, such as Name or DateOfBirth.
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Database Basics
In a database table, a row is commonly called a:
A. Field
B. Record
C. Query
D. Schema
Correct Answer: B
A row represents one complete record or tuple, such as the details of one student.
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Database Basics
Processed data that is meaningful to a user is called:
A. Noise
B. Information
C. Metadata
D. Redundancy
Correct Answer: B
Information is processed, organized, or interpreted data that is meaningful and useful.
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Database Basics
Raw facts and figures are called:
A. Information
B. Data
C. Knowledge
D. Reports
Correct Answer: B
Data consists of raw facts and figures. When data is processed and given meaning, it becomes information.
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Database Basics
Which of the following is the main purpose of a DBMS?
A. To design computer hardware
B. To manage and retrieve stored data
C. To create internet connections
D. To scan computer viruses
Correct Answer: B
A DBMS manages stored data and provides controlled methods for inserting, retrieving, updating, and deleting it.
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Database Basics
What does DBMS stand for?
A. Data Backup Management System
B. Database Management System
C. Digital Base Monitoring Service
D. Database Machine Software
Correct Answer: B
DBMS stands for Database Management System, software used to create, maintain, secure, and access databases.
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Database Basics
What is a database?
A. An organized collection of related data
B. A computer virus
C. A type of operating system
D. A programming language
Correct Answer: A
A database is an organized collection of related data that can be stored, searched, updated, and managed efficiently.
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Networking Basics
Which device connects a computer network to the internet?
A. Router
B. Printer
C. Scanner
D. Monitor
Correct Answer: A
A: Correct because a router forwards network traffic and connects local devices to other networks including the internet. B: Wrong because a printer outputs documents. C: Wrong because a scanner inputs images/documents. D: Wrong because a monitor displays output.
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MS Word
Which shortcut is commonly used to paste copied text?
A. Ctrl + P
B. Ctrl + V
C. Ctrl + S
D. Ctrl + A
Correct Answer: B
B: Correct because Ctrl + V pastes content from the clipboard. A: Wrong because Ctrl + P prints. C: Wrong because Ctrl + S saves. D: Wrong because Ctrl + A selects all.
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Computer Fundamentals
Which component temporarily stores data currently being processed?
A. RAM
B. DVD
C. Printer
D. Projector
Correct Answer: A
A: Correct because RAM holds active data and instructions for quick access. B: Wrong because a DVD is optical storage. C: Wrong because a printer is output hardware. D: Wrong because a projector displays output.
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Abbreviations
What does PDF stand for?
A. Portable Document Format
B. Personal Data File
C. Printed Document Folder
D. Program Design File
Correct Answer: A
A: Correct because PDF means Portable Document Format and preserves document layout. B: Wrong because personal data file is generic and incorrect. C: Wrong because printed document folder is not a file format. D: Wrong because program design file is unrelated.
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Computer Fundamentals
Which number system is used internally by computers?
A. Decimal
B. Binary
C. Roman
D. Arabic words
Correct Answer: B
B: Correct because computers process data using binary digits 0 and 1. A: Wrong because decimal is human-friendly base 10. C: Wrong because Roman numerals are not used for digital processing. D: Wrong because Arabic words are language symbols, not machine-level representation.
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Networking Basics
Which network type usually covers a small area such as a school or office?
A. LAN
B. MAN
C. WAN
D. PAN only
Correct Answer: A
A: Correct because LAN means Local Area Network and covers a limited local area. B: Wrong because MAN covers a metropolitan area. C: Wrong because WAN covers wide geographical areas. D: Wrong because PAN is personal-area and smaller than typical school networks.
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Software
Which one is an example of system software?
A. Windows
B. Google Chrome
C. MS PowerPoint
D. Adobe Photoshop
Correct Answer: A
A: Correct because Windows is an operating system and therefore system software. B: Wrong because Chrome is application software. C: Wrong because PowerPoint is presentation software. D: Wrong because Photoshop is image editing software.
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Email Basics
In email, what does CC stand for?
A. Carbon Copy
B. Computer Code
C. Central Command
D. Copy Control
Correct Answer: A
A: Correct because CC means Carbon Copy and sends a visible copy to additional recipients. B: Wrong because computer code is unrelated to email addressing. C: Wrong because central command is not an email field. D: Wrong because copy control is not the accepted expansion.
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Software
What is the main function of an antivirus program?
A. Create spreadsheets
B. Detect and remove malware
C. Edit videos
D. Increase screen brightness
Correct Answer: B
B: Correct because antivirus software detects, blocks, quarantines, or removes malicious software. A: Wrong because spreadsheets are handled by applications like Excel. C: Wrong because video editing is not antivirus work. D: Wrong because brightness is controlled by display settings.
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File Extensions
Which file extension is usually associated with Microsoft Excel workbooks?
A. .docx
B. .xlsx
C. .pptx
D. .jpg
Correct Answer: B
B: Correct because .xlsx is the standard modern Excel workbook extension. A: Wrong because .docx is for Word documents. C: Wrong because .pptx is for PowerPoint presentations. D: Wrong because .jpg is an image format.