WorksheetsUnit 2: Fundamentals of Computer & PC Software Overview
Total questions: 116
Worksheet time: 58mins
Which device type captures data from the user for processing?
Networking hardware unit
Storage hardware module
Input hardware component
Output hardware component
What does Optical Character Recognition primarily do?
Displays printed text on screens
Converts typed text to images
Encrypts characters for secure storage
Converts scanned text into editable text
Which technology detects filled bubbles on standardized forms?
Optical Mark Recognition
Magnetic stripe reading
Barcode scanning system
Optical Character Recognition
Magnetic Ink Character Recognition is commonly used for which task?
Rendering fonts on printers
Capturing handwritten notes
Scanning book barcodes quickly
Reading bank cheques reliably
What is the primary purpose of a barcode reader?
Store numeric product data
Print product labels fast
Scan coded patterns for identification
Encrypt inventory transactions
Which statement best defines computer software?
Instructions that tell hardware what to do
Physical components of systems
Data stored in external media
Signals transmitted between devices
How do software and hardware relate in a computer system?
Hardware runs without any software
Software gives instructions to hardware
Hardware converts code into networks
Software is replaced by firmware always
Which topic focuses on historical changes in programming approaches?
Classification of device types
Evolution of programming languages
Optical recognition technologies
Features of good programming language
Which device provides information to users after processing?
Microphone audio input
Keyboard entry panel
Monitor display screen
Barcode handheld wand
Which is the most suitable device for capturing multiple-choice exam responses?
OCR camera system
MICR line reader
Thermal barcode scanner
OMR sheet scanner
Which example best represents system output?
Scanning an ID card barcode
Printing a report on paper
Recording voice via microphone
Typing a password on keyboard
Which classification places assembly language correctly?
High-level language class
Low-level language class
Markup-based language class
Scripting-only language class
Which technology reads patterns of parallel lines to identify items?
OCR letter shapes
OMR bubble grids
MICR magnetic ink
Barcode line codes
What does a good programming language aim to balance?
Hardware dependence only
Vendor lock-in exclusivity
Opacity and complexity
Readability and performance
Which recognition system relies on detecting darkness levels in predefined areas?
MICR ink sensing
Barcode scanning process
OMR response detection
OCR text conversion
Software is best described as which of the following?
Printed documentation sheets
Electromagnetic interference
Sets of executable instructions
Tangible hardware components
Which device class would speakers belong to?
Network sound devices
Input audio devices
Output audio devices
Storage sound devices
Which recognition approach is unsuitable for handwriting cursive text?
Barcode parallel line scanning
OMR bubble sheet scanning
OCR on machine-printed text
MICR digit string reading
Which output device produces tactile feedback for visually impaired users?
Barcode reader wand
Scanner flatbed tray
Braille display device
Microphone input unit
Which benefit is typical of high-level languages?
Manual memory management only
Higher programmer productivity
Hardware-specific instruction sets
Closer to machine hardware
Which example shows classification of programming languages by paradigm?
OCR versus OMR methods
Procedural versus object-oriented
Hardware versus software types
Input versus output devices
Which statement describes machine code relation to hardware?
Executed directly by CPU
Interpreted by barcode
Printed by laser printer
Scanned by OCR camera
Which output device provides audio information to users?
Microphone capture tool
Speaker sound system
Keyboard input device
Scanner optical unit
Which feature improves portability of a programming language?
Platform-specific binaries only
Standardized language specification
Proprietary compiler exclusivity
Hardware-dependent instruction sets
Which classification separates devices by the type of output produced?
SSD, HDD, tape drives
Keyboard, mouse, scanner
Text, graphics, audio output
LAN, WAN, PAN networks
Which input device is ideal for selecting on-screen items?
Speaker sound output
Monitor visual display
Printer paper output
Mouse pointing device
Which input device captures images for processing?
LCD monitor panel
Speaker audio system
Laser printer engine
Flatbed scanner unit
Which recognition system is typical for bank cheques?
OMR bubble fields
OCR paragraph lines
MICR routing numbers
Barcode inventory tags
Which programming language classification fits Python?
Low-level assembly type
High-level interpreted type
Optical mark scanned type
Magnetic ink coded type
Which is a core advantage of object-oriented classification?
Supports encapsulation concepts
Requires direct machine code
Eliminates syntax entirely
Only runs on bank systems
Which device category includes trackpads and mice?
Network interface devices
Output display devices
Input pointing devices
Storage removable devices
Which feature enhances language readability for students?
Unpredictable whitespace rules
Opaque error messages
Excessive punctuation marks
Consistent naming conventions
Which input device is most suitable for biometric login?
LCD monitor display panel
Fingerprint scanner sensor
External speaker system
Laser printer output unit
Which recognition technology depends on contrast between marks and blanks?
RFID radio sensing
OMR bubble detection
OCR character mapping
MICR magnetic reading
Which statement accurately reflects language classification by generation?
First-generation is machine code
Third-generation is binary only
Fourth-generation is assembly
Second-generation is natural text
Which device outputs paper documents with toner?
LCD panel display
Plotter drafting tool
Inkjet spraying head
Laser printing machine
Which device category includes plotters used for engineering drawings?
Input handwriting devices
Storage archival devices
Networking cable devices
Output graphics devices
Which input device converts spoken words to text?
Printer output engine
Monitor display screen
Microphone input sensor
Speaker output cone
Which recognition technology uses laser illumination on printed codes?
OMR bubble detection
OCR text conversion
Barcode scanning system
MICR magnetic ink reading
Which programming language feature helps maintainability?
Opaque compiled binaries
Clear modular structure
Hardware-specific syntax
Randomized naming scheme
Which device is appropriate for capturing marks on exam sheets?
MICR cheque reader
OMR sheet reader
OCR text scanner
RFID tag sensor
Which programming language classification places C?
High-level procedural type
Low-level assembly type
Optical mark scanned type
Magnetic ink read type
Which device category includes touchscreens used for input?
Network wireless devices
Storage removable devices
Input pointing devices
Output display devices
Which programming language feature supports portability across platforms?
Standard virtual machine
Hardware-tied opcodes
Randomized ABI usage
Proprietary file formats
Which output device provides a visual interface without printing?
LCD monitor display
Inkjet printer head
Dot-matrix printer
Thermal receipt printer
Which recognition method reads characters using optical patterns?
OMR mark detection
Barcode line scanning
MICR magnetic reading
OCR character recognition
Which is an example of classifying programming languages by level?
Machine, assembly, high-level
Text, audio, video outputs
Input, output, storage devices
OCR, OMR, MICR systems
Which device category includes cameras used for image input?
Input imaging devices
Output visual devices
Storage optical devices
Network capture devices
Which output device is best for presenting slides to a class?
Flatbed photo scanner
Microphone stage input
Digital projector unit
Barcode handheld reader
Which feature is desirable in a language for education?
Hardware-only memory access
No standard libraries
Mandatory complex syntax
Readable error messages
Which output device is categorized as softcopy output?
Monitor screen display
Thermal receipt output
Dot-matrix printed sheet
Inkjet paper printout
Which programming language classification separates declarative from procedural?
Generation-based classification
Device-based classification
Level-based classification
Paradigm-based classification
Which device reads standardized test sheets quickly and accurately?
OMR response scanner
MICR cheque machine
OCR character reader
RFID tag detector
Which concept describes how languages have progressed over decades?
Relationship of software to hardware
Recognition technology taxonomy
Classification of device outputs
Evolution of programming languages
Which output device produces audible signals instead of visuals?
Inkjet printer unit
LCD monitor panel
Speaker audio system
Plotter drafting device
Which input device is suitable for selecting icons without a mouse?
Touchscreen interactive panel
Laser office printer
External speaker set
LCD monitor screen
Which programming language feature improves code clarity?
Hardware-specific opcodes
Consistent indentation rules
Random error messages
Ambiguous grammar design
Which recognition method relies on magnetic properties of printed text?
MICR cheque reading
OCR font detection
OMR mark sensing
Barcode line decoding
Which software type provides services for applications and users?
Operating system software
Firmware-only modules
Printer driver hardware
Barcode configuration tags
Which input device is specialized for reading printed codes on packages?
Magnetic ink reader
Optical mark reader
Barcode reader scanner
RFID radio sensor
Which classification places machine language?
First-generation programming
Third-generation scripting
Fourth-generation querying
Second-generation visual
Which feature helps a language support efficient program execution?
Optimizing compiler tools
Ambiguous parsing rules
Hardware-only routines
Random memory layouts
Which device produces softcopy output viewed on screens?
Dot-matrix sheet feeder
Inkjet paper printer
Thermal roll printer
Monitor display unit
Which output device uses pins to strike ribbon against paper?
Dot-matrix impact printer
LCD monitor display
Inkjet nozzle printer
Laser toner printer
Which device captures handwriting for input digitally?
Graphics tablet stylus
Laser printer module
LCD projector display
Speaker audio output
Which output device is ideal for classroom presentations?
Microphone vocal input
Digital projection system
Flatbed document scanner
Barcode wand scanner
Which input device is designed to capture motion for control?
Mouse optical sensor
Speaker audio tweeter
Laser toner cartridge
LCD pixel panel
Which feature contributes to a good programming language for reliability?
Opaque error handling
Strong type checking
Randomized syntax rules
Hardware-only execution
Which recognition method is unsuitable for free-form essay text?
OMR mark detection
Barcode line scanning
OCR character recognition
MICR magnetic reading
Which language classification differentiates compiled from interpreted?
Paradigm-based classification
Level-based classification
Device-based classification
Implementation-based classification
Which output device provides immediate visual feedback while typing?
Dot-matrix receipt printer
Thermal invoice printer
Monitor computer screen
Inkjet color printer
Which recognition technology is fundamental to digitizing printed books?
OCR character recognition
OMR bubble detection
MICR magnetic reading
Barcode line scanning
Which input device category includes biometric sensors?
Hardcopy output devices
Graphics output devices
Authentication input devices
Audio playback devices
Which feature is a hallmark of good programming language design?
Readable, consistent semantics
Arbitrary, changing syntax
Hardware-only operations
Invisible error reporting
Which recognition device is essential for retail inventory systems?
Barcode reader scanner
OCR document converter
OMR exam sheet reader
MICR cheque reader
Which programming language evolution trend improved developer productivity?
Higher-level abstractions
Optical mark sensors
Lower-level opcodes only
Magnetic ink fonts usage
Which recognition method is specifically designed for bank routing numbers?
MICR magnetic reading
OMR bubble detection
Barcode code reading
OCR page scanning
Which input device can read patterns printed as parallel lines?
OMR response reader
MICR cheque reader
Barcode reader scanner
OCR character scanner
Which input device allows drawing directly on a digital surface?
Graphics tablet stylus
Laser printer module
LCD monitor display
Speaker audio output
Which recognition method uses photodiodes to sense darkened circles?
OMR response detection
Barcode laser scanning
OCR text conversion
MICR magnetic reading
Which classification places languages like SQL as declarative?
Paradigm classification
Level classification
Generation classification
Device classification
What is the primary purpose of an input device?
Store programs and long‑term data
Provide data and control signals to a system
Display graphics and visual output
Execute instructions and perform calculations
A microphone connected to a computer is mainly used to
Increase network bandwidth
Control screen brightness settings
Provide audio data as input
Output sound from applications
Which device from the list is NOT typically an input device?
Monitor
Joystick
Camera
Scanner
You must capture a paper document into a computer for editing. Which device is the most appropriate choice?
Scanner converting images to digital data
Printer producing hard‑copy text pages
Monitor displaying digital page previews
Speaker reading text aloud for accessibility
Which device captures video for real-time communication or recording?
Scanner
Microphone
Digital camera
Webcam
Which device records audio and converts sound waves into electrical signals?
Microphone
Webcam
Scanner
Speaker
Which device is designed for pen-based input on interactive displays in classrooms?
Electronic whiteboard
Touchpad
Numeric keypad
Gamepad
Which device attaches to a computer to capture external video sources like camcorders?
Video capture hardware
Webcam
Scanner
Graphics tablet
Which set of keys is mainly responsible for cursor and screen navigation?
Control keys including arrows
Typing keys including letters
Function keys such as F1–F12
Numeric keypad digits
What layout similarity is commonly noted between keyboards and typewriters?
Numeric keypad matches typewriter pad
Typing keys follow similar arrangement
Control keys have the same locations
Function keys share identical labeling
A student wants to jump to the beginning of a line. Which control key is commonly used?
Home in navigation keys
F10 in the function group
Tab in typing keys
Divide on numeric keypad
Which keys allow quick movement in four directions without using the mouse?
Arrow keys in control cluster
Function keys in top row
Digit keys in numeric pad
Letter keys in typing set
Which are examples of special purpose keys on a keyboard?
A, B, C, D alphabet keys
F1, F2, F3, F4 only
Enter, Shift, Caps Lock, Num Lock
Escape, Power, Volume Up
A student wants to quickly select icons across the screen. Which device choice is most efficient for this task?
Mouse with two buttons and wheel
Keyboard using only arrow keys
External microphone with speakers
USB drive with large capacity
You need a device to send signals to the CPU when buttons are pressed and movement is sensed. Which device matches this description?
Printer with paper tray
Monitor with high refresh rate
Mouse as a pointing device
Scanner for paper documents
Which pointing device uses a stick with a spherical ball and moves the cursor in four directions?
Joystick with spherical ball ends
Touchpad with pressure sensors
Light pen with optical sensor
Track ball with half-inserted ball
Which device is commonly used in laptops instead of a mouse and moves the pointer by finger motion on a ball?
Track ball device for laptops
Joystick controller for games
Light pen for menu selection
Touchscreen with finger taps
Which component gives the light pen its ability to detect the screen’s light?
Infrared emitter module
Gyroscope with two axes
Magnet with metal tip
Photocell with optical system
Choose the best device for directly drawing on a monitor screen.
Keyboard for text input only
Track ball for pointer movement
Joystick for game navigation
Light pen for on-screen drawing
Identify the device shown in the image: lid, glass bed, control buttons.
Flatbed scanner for documents
Graphics tablet for drawing
Webcam for video capture
Laser printer for photos
A classroom needs to show slides to many students. Which device should be chosen?
Microphone for voice recording
CRT monitor for desktop viewing
Inkjet printer for color handouts
Multimedia projector for large display
Which list best represents monitor technologies?
LED, MIC, CRT
LCD, OLED, LID
CRT, COM, DOT
CRT, LCD, LED
Which printer type uses toner and a laser to form images?
Dot matrix
Laser printer
Inkjet printer
Thermal printer
Which printer forms characters using a print head with pins?
Laser toner printer
Inkjet color printer
Dot matrix printer
Thermal photo printer
Which term refers to storing computer output on microfilm reels?
Computer Output Microfilm
Microprocessor output cache
Compressed output metadata
Compact optical media
What is the primary role of an output device?
Stores data for long-term retrieval
Shows processed data to the user
Converts human instructions into machine-friendly form
Accepts user commands for processing
Who typically commands an input device versus an output device?
User commands both devices
Processor commands both devices
User commands input; processor commands output
Processor commands input; user commands output
A device that translates machine results into user-intelligible form belongs to which category?
Network device category
Storage device category
Output device category
Input device category
In a typical OCR workflow, what happens immediately after a page is optically scanned?
Colors are calibrated against a reference chart
The document is sent directly to the printer
The image is compressed for faster storage
Characters are converted to machine‑readable code
Which role does OCR play within computer systems?
Output device for showing recognized text
Input device and text conversion process
Network protocol for document transfer
Secondary storage for image archives
What is the role of a teacher’s aide in an OMR workflow described?
Collect filled forms and feed cards into the system
Convert essays into digital text using OCR
Speak questions aloud during the scanning process
Erase incorrect marks before automated grading
Which statement best describes Magnetic Ink Character Recognition (MICR)?
Technique for printing cheques using ultraviolet-sensitive dye
Technology reading magnetic-ink characters on cheques
Method for scanning handwritten notes with optical light
System that stores cheque data on embedded microchips
Why do banks use MICR for processing cheques?
It speeds processing and reduces errors in high volumes
It replaces bank codes with customer signatures
It allows cheques to be handwritten without any ink
It encrypts cheque data to prevent digital hacking
A bank wants to lower misreads when scanning thousands of cheques daily. Which change aligns with MICR principles?
Remove printed bank and cheque numbers
Use only manual visual verification
Print codes using magnetic-particle ink
Switch to non-magnetic glossy ink
What is the role of the special ink in MICR on cheques?
Improves paper durability during transport
Glows under UV for human inspection only
Adds decorative patterns for brand recognition
Contains magnetic material for machine readability
