CBSE Class 3 Computers Fundamentals of Computer Assignment

Question. Plotter can be divided into _________ types.
A. Three
B. Six
C. Four
D. Two

Answer D. Two

Question. The refresh rate of monitor is measured in _______
A. byte
B. seconds
C. Hertz
D. None of the Above

Answer C. Hertz

Question. Joystick allows movements in _____ directions.
A. Up and Down
B. Left an Right
C. Both (A) and (B)
D. None of the Above

Answer C. Both (A) and (B)

Question. A basic touch screen has three main components. It includes touch sensor, controller and ________
A. transmitter
B. receiver
C. software driver
D. None of the Above

Answer C. software driver

Question. In DLP Projector, DLP stands for________
A. Direct Light Processing
B. Direct Low Processing
C. Digital Low Processing
D. Digital Light Processing

Answer D. Digital Light Processing

Question. __________ is an interface for connecting eight or more data wires.
A. Serial Port
B. Fire wire
C. Parallel Port
D. None of the Above

Answer C. Parallel Port

Question. ________ is a high-speed real-time interface for serial bus and it has data transfer up to 400 Mbps.
A. Serial Port
B. Fire wire
C. Parallel Port
D. None of the Above

Answer B. Fire wire

Question. ________ is an input device that accepts input when the user places a fingertip on the computer screen.
A. Joy Stick
B. Light Pen
C. Trackball
D. Touch Screen

Answer D. Touch Screen

Question. Optical Character Recognition (OCR) is also known as_________
A. Intelligent Code Recognition
B. Intermediate Code Recognition
C. Intermediate Character Recognition
D. Intelligent Character Recognition

Answer D. Intelligent Character Recognition

Question. __________ is a handheld electro-optical pointing device. It is also called mouse pen.
A. Joy Stick
B. Light Pen
C. Trackball
D. Touch Screen

Answer B. Light Pen

Question. __________ an external bus standard used for transferring data to and from digital devices.
A. Serial Port
B. Firewire
C. Parallel Port
D. USB

Answer D. USB

Question. ________ printer is also called pin printer.
A. Laser
B. Drum
C. Daisy Wheel
D. Dot Matrix

Answer D. Dot Matrix

Question. Which of the following is also known as reflective scanner?
A. Handheld scanner
B. Flatbed scanner
C. Drum scanner
D. None of the Above

Answer B. Flatbed scanner

Question. Which is a hardware component or system of components that allows a human being to interact with a computer?
A. Interface device (IDF)
B. Graphical User Interface (GUI)
C. Musical Digital Instrument Interface (MIDI)
D. None of the Above

Answer A. Interface device (IDF)

Question. Which is an escape code language used to send commands to the printer for printing documents?
A. Postscript
B. PCL
C. Both (A) and (B)
D. None of the Above

Answer B. PCL

Question. A scanner that is moved by hand over the material being captured is known as ________
A. Sheetfed scanner
B. Flatbed scanner
C. Drum scanner
D. Handheld scanner

Answer D. Handheld scanner

Question. MICR reads the characters by examining their shapes in_________ form.
A. binary
B. ASCII
C. matrix
D. None of the Above

Answer C. matrix

Question. Where would you find the letters “QWERTY”?
A. Joy Stick
B. Light Pen
C. Numeric Pad
D. Keyboard

Answer D. Keyboard

Question. What does a light pen contain?
A. lead
B. ink
C. light sensing elements
D. None of the Above

Answer C. light sensing elements

Question. _________ is a protocol designed for recording and playing back music on digital synthesizers.
A. Musical Interface
B. Graphical User Interface (GUI)
C. Musical Digital Instrument Interface (MIDI)
D. None of the Above

Answer C. Musical Digital Instrument Interface (MIDI)

Question. A disk’s content that is recorded at the time of manufacture and that cannot be changed or erased by the user is ________
A. Write only
B. Read Only
C. Both (A) and (B)
D. None of the Above

Answer B. Read Only

Question. Which of the following memories uses a MOS capacitor as its memory cell?
A. SRAM
B. DRAM
C. ROM
D. FIFO

Answer B. DRAM

Question. A nibble is equal to _______
A. 4 bits
B. 8 bits
C. 16 bits
D. 32 bits

Answer A. 4 bits

Question. Which is an interactive device that facilitates touch sensation and fine-motion control in Robotics and Virtual reality?
A. Light Pen
B. Joystick
C. Data Glove
D. None of the Above

Answer C. Data Glove

Question. Special I/O devices such as, Joy stick, Data Glove are involved in ______________ applications.
A. Photonics
B. Haptics
C. Agnostic
D. None of the Above

Answer B. Haptics

Question. Which device typically attachable to computer keyboard that allows a blind people to read?
A. Light Pen
B. Joystick
C. Touch screen
D. Braille display

Answer D. Braille display

Question. Many Dot Matrix printers are ________
A. uni-directional
B. bi-directional
C. multi-directional
D. None of the Above

Answer B. bi-directional

Question. PCL stands for _________
A. Print Code Language
B. Printer Code Language
C. Printer Character Language
D. Printer Command Language

Answer D. Printer Command Language

Question. __________ transmits one bit of data through a single wire.
A. Serial Port
B. Fire wire
C. Parallel Port
D. None of the Above

Answer A. Serial Port

Question. Which refers to the diagonal distance between two coloured pixels?
A. Refresh rate
B. Dot Pitch
C. Both (A) and (B)
D. None of the Above

Answer B. Dot Pitch

Question. ________ is a printer language that uses English phrases and programmatic constructions to describe the appearance of a printed page to the printer.
A. Postscript
B. PCL
C. Both (A) and (B)
D. None of the Above

Answer A. Postscript

Question. Non-Impact Printers use ________ technologies.
A. electrostatic and chemical
B. thermal
C. inkjet
D. All of the Above

Answer D. All of the Above

Question. Which printers produce output by mechanical contact between the print head and paper?
A. Impact
B. Non-impact
C. Both (A) and (B)
D. None of the Above

Answer A. Impact

Question. ______ is a computer printer for printing vector graphics.
A. Plotter
B. Projector
C. Both (A) and (B)
D. None of the Above

Answer A. Plotter

Question. The toner or ink in a Laser printer is________
A. dry
B. wet
C. Either (A) or (B)
D. None of the Above

Answer A. dry

Question. A thermal transfer printer is a ________ printer that uses heat to register an impression on paper.
A. Impact
B. Non-impact
C. Both (A) and (B)
D. None of the Above

Answer B. Non-impact

Question. Thermal transfer printer can be divided into ______ types.
A. Three
B. Four
C. Six
D. Two

Answer D. Two

Question. Direct Thermal printer does not use _________
A. heat
B. coated paper
C. ribbon
D. None of the Above

Answer C. ribbon

Question. Which of the following type of printer uses a thermal transfer ribbon that contains wax-based ink?
A. Direct Thermal
B. Thermal Wax transfer
C. Both (A) and (B)
D. None of the Above

Answer B. Thermal Wax transfer

Question. The term ________ refers to data storage systems that make it possible for a computer or electronic device to store and retrieve data.
A. input technology
B. output technology
C. storage technology
D. None of the Above

Answer C. storage technology

Question. _________ is the time from the start of one storage device access to the time when the next access can be started.
A. Mode
B. Access time
C. capacity
D. None of the Above

Answer B. Access time

Question. The memory unit that communicates directly with the CPU is called ________
A. Secondary or Auxiliary Memory
B. Primary or Main Memory
C. Both (A) and (B)
D. None of the Above

Answer B. Primary or Main Memory

Question. Which memory stores large amount of data and the data can not be processed directly by the CPU?
A. Secondary or Auxiliary Memory
B. Primary or Main Memory
C. Both (A) and (B)
D. None of the Above

Answer A. Secondary or Auxiliary Memory

Question. Which of the following is/are hard disk performance parameter?
A. Seek time
B. Latency period
C. Access time
D. All of the above

Answer D. All of the above

Question. A byte can represent any number between 0 and _______
A. 312
B. 255
C. 1024
D. 1025

Answer B. 255

Question. Which of the following memory chip is faster?
A. DRAM
B. SRAM
C. Both (A) and (B)
D. None of the Above

Answer B. SRAM

Question. _________ is a device which recognises physical or behavioural traits of the individual.
A. Smart Card Reader
B. Optical Character Reader(OCR)
C. Optical Mark Reader(OCR)
D. Biometric Sensor

Answer D. Biometric Sensor

Question. __________ is a device that performs a variety of functions that would otherwise be carried out by separate peripheral devices.
A. Single Function Peripheral
B. Multi Function Peripheral
C. Dual Function Peripheral
D. None of the Above

Answer B. Multi Function Peripheral

Question. Impact printer(s) is/are _______
A. Dot Matrix printer
B. Line printer
C. Daisy Wheel printer
D. All of the Above

Answer D. All of the Above

Question. Printer resolution is a numerical measure of print quality that is measured in _______
A. Pages Per Minute (PPM)
B. Lines Per Minute (LPM)
C. Characters Per Second (CPS)
D. Dots Per Inch (DPI)

Answer D. Dots Per Inch (DPI)