Describe the Computer
Which of the following best describes a computer?
A. A machine used only for storing information
B. An electronic device that accepts and processes data to produce information
C. A device used only for communicating with others
D. A machine used only for accessing the Internet
B. An electronic device that accepts and processes data to produce information
Which type of computer was traditionally designed to handle very large volumes of data and support many users?
A. Mainframe
B. Tablet
C. Smartphone
D. Microcomputer
A. Mainframe
A bank uses computers to calculate thousands of transactions accurately. Which advantage is demonstrated?
A. Entertainment
B. Accuracy
C. Portability
D. Ergonomics
B. Accuracy
What is the main function of an operating system?
A. To create only presentations
B. To coordinate computer hardware and software activities
C. To print documents
D. To browse the Internet only
B. To coordinate computer hardware and software activities
Why should users avoid eating and drinking near computers?
A. Food makes the computer run faster
B. Liquids and food particles can damage computer components
C. It improves Internet speed
D. It increases storage capacity
B. Liquids and food particles can damage computer components
Which of the following is an example of an input device?
A. Monitor
B. Printer
C. Keyboard
D. Speaker
C. Keyboard
A desktop computer is classified as a:
A. Mainframe
B. Microcomputer
C. Supercomputer
D. Minicomputer
B. Microcomputer
Which of the following is a disadvantage associated with prolonged computer use?
A. Increased storage capacity
B. Eye strain and poor posture
C. Faster processing
D. Improved data retrieval
B. Eye strain and poor posture
Which of the following is an example of application software?
A. Windows
B. Android
C. Microsoft Word
D. macOS
C. Microsoft Word
Which practice helps protect a computer from malicious software?
A. Disabling antivirus software
B. Installing and updating antivirus software
C. Sharing passwords
D. Downloading files from unknown sources
B. Installing and updating antivirus software
Which device is primarily used to display information produced by a computer?
A. Scanner
B. Monitor
C. Keyboard
D. Microphone
B. Monitor
. Which of the following is an example of a modern microcomputer?
A. Smartphone
B. Mainframe
C. Minicomputer
D. Room-sized computer
A. Smartphone
A company stores thousands of customer records electronically instead of using filing cabinets. Which advantage is demonstrated?
A. Increased physical storage requirements
B. Improved storage and retrieval
C. Reduced accuracy
D. Reduced accessibility
B. Improved storage and retrieval
Antivirus software is primarily used to:
A. Create presentations
B. Protect computers from malicious software
C. Increase monitor size
D. Store files permanently
B. Protect computers from malicious software
Which device can help protect a computer and its peripherals from sudden changes in electrical power?
A. Surge protector
B. Scanner
C. Keyboard
D. Projector
A. Surge protector
Data that has been processed into a meaningful form is called:
A. Hardware
B. Software
C. Information
D. Storage
C. Information
Which statement best describes hardware?
A. Programs that instruct a computer
B. Physical components of a computer system
C. Information stored on the Internet
D. Instructions stored in a database
B. Physical components of a computer system
Which is an advantage of e-commerce?
A. Customers must always visit a physical store
B. Products can be purchased online at any time
C. Internet access is never required
D. Online transactions cannot be tracked
B. Products can be purchased online at any time
Which type of software is most appropriate for creating budgets and performing calculations?
A. Spreadsheet software
B. Presentation software
C. Antivirus software
D. Graphic manipulation software
A. Spreadsheet software
Which of the following is a possible physical effect of prolonged computer use?
A. Improved eyesight
B. Eye strain
C. Increased height
D. Improved hearing
B. Eye strain
Which of the following is an output device?
A. Mouse
B. Microphone
C. Scanner
D. Projector
D. Projector
Which sequence best represents the basic computer processing cycle?
A. Output → Input → Storage → Processing
B. Input → Processing → Output
C. Storage → Output → Input
D. Processing → Input → Output
B. Input → Processing → Output
Which of the following may be a disadvantage of e-commerce?
A. Convenience
B. Access to a wider range of products
C. Risk of online fraud
D. Ability to compare prices
C. Risk of online fraud
A school wants to organize and search through thousands of student records. Which software would be most appropriate?
A. Database management software
B. Presentation software
C. Music player
D. Graphic manipulation software
A. Database management software
Which of the following is a potential negative social effect of excessive computer use?
A. Increased communication
B. Greater access to information
C. Social isolation
D. Improved collaboration
C. Social isolation