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WorksheetsInterfaces and Types of Computers
Total questions: 25
Worksheet time: 13mins
Which statement best describes a dialogue-based interface?
Users speak commands to perform tasks
Users draw symbols to trigger actions
Users type code to control programs
Users touch icons to open applications
A key advantage of a dialogue-based interface is that it can be useful for people with disabilities. Which feature mainly enables this?
Haptic feedback guides finger positions
Large icons reduce eye strain significantly
Predictive text speeds up keyboard entry
Voice recognition allows hands‑free control
Which is a common disadvantage of dialogue-based interfaces in noisy environments?
Touchscreens may cause finger fatigue
Keyboards may suffer slow response
Gestures may be misread at a distance
Commands may need repeating often
Which statement best describes a gesture-based interface?
Mouse selects on‑screen menu items
Microphone records spoken sentences
Keyboard shortcuts activate functions
Camera detects body or hand movements
Which is a limitation of gesture-based interfaces related to sensor range?
They demand full‑body suits for input
They work only near the camera sensor
They require high‑quality studio lighting
They cannot track motion in 3D space
Which advantage is most associated with gesture-based interfaces for operators?
Unlimited gestures recognized instantly
Low error rates in crowded classrooms
Very natural interaction for the operator
High privacy with encrypted movements
Which of the following best describes a mobile computer?
A computer fixed in one location
A computer that uses mains electricity only
A portable computer that can be used in different locations
A computer without an operating system
Which component combination most identifies a desktop computer?
Handheld screen with virtual keyboard only
Foldable screen with built‑in battery pack
All‑in‑one screen with integrated touch panel
Separate monitor, keyboard, mouse, system unit
Which is an advantage of desktop computers over laptops?
Lower power consumption
Easier to steal
Better upgrade options
Built-in battery
Why are desktop computers often easier to upgrade than laptops?
Spare parts and connections are standardised
They run on battery power for longer hours
They use fewer components than laptops
They are lighter and simpler to transport
Which reason best explains lower power concerns for desktops compared to laptops?
They rely on sleep mode most of the time
They use ultra‑low‑voltage processors only
They have smaller screens and cases
They plug into wall sockets continuously
Which factor can make desktop internet access more stable than laptops?
Wired connections often provide fixed speeds
Laptops throttle network during charging
Mobile hotspots are bundled by default
Desktops always include dual Wi‑Fi cards
Which is a common disadvantage of desktop computers compared to laptops?
Poor portability due to separate components
Incompatibility with external displays
Higher theft risk when travelling often
Lower performance because of small cases
Which task is a main use of desktop computers in offices?
Car navigation and route planning
High‑mobility field data collection
Drone flight and aerial mapping
Word processing and spreadsheet work
Which is the most accurate comparison between desktops and laptops?
Desktops consume more battery than laptops
Laptops always allow more internal expansion
Desktops often have better specification for price
Laptops are usually simpler to cable and wire
Which is NOT a category of mobile computers listed with desktops?
Smartphones with cellular connectivity
Phablets combining phone and tablet
Tablets with touch interfaces
Mainframe towers with hot‑swap drives
When copying files to work elsewhere, what limitation of desktops is highlighted even with cloud storage available?
Home networks block all remote transfers
USB memory sticks cannot connect to desktops
Sensitive data may still not suit cloud use
Desktops cannot read external hard drives
Which task is a main use of laptop computers?
Industrial automation
Office and business work
Traffic control
Weather forecast
Which statement best defines a smartphone?
A phone used only for calls and texts
A phone without internet access
A phone with an operating system that runs apps
A tablet with no camera
Which of the following is a typical smartphone feature?
Mechanical keyboard
Optical disc drive
Touch screen display
Wired-only internet connection
Which is a disadvantage of smartphones?
use of Wi-fi
Small screen size
Touch screen interface
Portability
Which network is commonly used by smartphones when Wi-Fi is unavailable?
LAN
Bluetooth
3G/4G/5G
Ethernet
Which is an advantage of tablets compared to laptops?
Physical keyboard
Instant start-up time
Larger storage capacity
More ports
Which device is least suitable for frequent drag-and-drop file transfers?
Laptop
Desktop
Tablet
What is artificial intelligence (AI)?
A type of computer hardware
Software that performs tasks requiring human intelligence
A faster processor
A data storage method
