Description : What is a light pen? a) A Mechanical Input device b) Optical input device c) Electronic input device d) Optical output device
Last Answer : b) Optical input device
Description : Which is considered a direct entry input device? A) Optical scanner B) Mouse and digitizer C) Light pen D) All of the above
Last Answer : Answer : D
Description : Which is considered a direct entry input device? a. Optical scanner b. Mouse and digitizer c. Light pen d. All of the above
Last Answer : All of the above
Last Answer : d. All of the above
Description : __________ is a handheld electro-optical pointing device. It is also called mouse pen. A. Joy Stick B. Light Pen C. Trackball D. Touch Screen
Last Answer : B. Light Pen
Description : Which of the following is not an input device? A) OCR B) Optical scanners C) Voice recognition device D) COM (Computer Output to Microfilm)
Description : ________ 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
Last Answer : D. Touch Screen
Description : _______ is an input device that converts analog information into digital form. A. Plotter B. Track Ball C. Light Pen D. Digitizer
Last Answer : D. Digitizer
Description : 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
Last Answer : C. storage technology
Description : Which of the following is not an input device? a. OCR b. Optical scanners c. Voice recognition device d. COM (Computer Output to Microfilm)
Last Answer : COM (Computer Output to Microfilm)
Last Answer : d. COM (Computer Output to Microfilm)
Last Answer : d. COM (Computer Output to Microfilm
Description : This bistable electronic device assumes one of two stable output states, depending upon the state of the most recently applied input signal. In computer systems this device is used for storing information. Name this common electronic device.
Last Answer : ANSWER: FLIP-FLOP or TOGGLE
Description : The term responsivity as it applies to a light detector is best described as ∙ A. the time required for the signal to go from 10 to 90 percent of maximum amplitude ∙ B. the ratio of the diode ... . the ratio of the input power to output power ∙ D. the ratio of output current to input current
Last Answer : the ratio of the diode output current to the input optical power
Description : A DVD is an example of an: a) Hard Disk b) Optical Disk c) Output Device d) Solid - State Storage Device e) None of The Above
Last Answer : d) Solid - State Storage Device
Description : 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
Last Answer : D. Braille display
Description : 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
Last Answer : C. Data Glove
Description : __________ is a special type of optical scanner used to recognize the type of mark made by Pen or Pencil. A. Optical Character Reader B. Bar code Reader C. Optical Mark Reader D. None of the Above
Last Answer : C. Optical Mark Reader
Description : A mouse device may be _____________ a) electro-chemical b) mechanical c) optical d) both mechanical and optical
Last Answer : d) both mechanical and optical
Description : A/n Device is any device that provides information, which is sent to the CPU A) Input B) Output C) CPU D) Memory
Last Answer : Answer : A
Description : What type of device is computer keyboard? A) Memory B) Output C) Storage D) Input
Description : Memory unit is one part of A) Input device B) Control unit C) Output device D) Central Processing Unit
Description : An input /output device at which data enters or leaves a computer system is A) Keyboard B) Terminal C) Printer D) Plotter
Last Answer : Answer : B
Description : Which device can understand difference between data & programs? A) Input device B) Output device C) Memory D) Microprocessor
Description : Web cam is an A) input unit device B) output unit device C) processing device D) Input and Output device
Description : Computer operators A) writes computer programs for specific problems B) operate the device which input and output data from the computer C) normally require a college degree in computer science D) all of the above
Description : Regarding a VDU, Which statement is more correct? A) It is an output device B) It is an input device C) It is a peripheral device D) It is hardware item
Last Answer : Answer : C
Description : Which among the following is correct about Device Drivers: a) It operate or control a particular type of device that is attached to a computer b) Each device needs at least one corresponding device driver ... computer typically needs more than one device driver d) None of These e) All of the Above
Last Answer : e) All of the Above
Description : Digitizer is an: a) Output Device b) Input Device c) Both of Above d) None of These
Last Answer : b) Input Device
Description : Speaker are an: a) Output Device b) Input Device c) Both of Above d) None of These
Last Answer : a) Output Device
Description : Which of the following act both as an input and output device: a) Mouse b) Touch Pad c) Touch Screen d) None of These
Last Answer : c) Touch Screen
Description : Which one of the following work as both an input device and output device: a) MODEM b) Keyboard c) Mouse d) None of These
Last Answer : a) MODEM
Description : Which device can understand difference between data and programs: a) Input Device b) Output System c) Memory d) Microprocessor e) None of The Above
Last Answer : d) Microprocessor
Description : Memory Unit is a part of _______: a) Input Device b) Control Unit c) Output Device d) Processing Unit e) None of The Above
Last Answer : b) Control Unit
Description : Which device can produce the final product of machine processing into a form usable by humans: a) Storage b) Input Device c) Output Device d) None of The Above
Last Answer : c) Output Device
Description : Terminal is a 1) device used to give supply to a computer 2) Point at which data may leave or enter the computer 3) point where wires are interconnected 4) an input/output device
Last Answer : 2) Point at which data may leave or enter the computer
Description : A dot-matrix printer 1) is an input-output device 2) is an output device only 3) is an input device only 4) None of these
Last Answer : 2) is an output device only
Description : What type of device is a computer printer? 1) Input 2) Output 3) Software 4) memory
Last Answer : 4) memory
Description : Memory Unit is one part of- 1) Control Unit 2) Central Processing Unit 3) Output Device 4) Input device
Last Answer : 2) Central Processing Unit
Description : Which device can understand difference between Data and programs? 1) Input Device 2) Output Device 3) Memory 4) Microprocessor
Last Answer : 4) Microprocessor
Description : Which is considered a direct entry device: a) Optical Scanner b) Light Pen c) Digitizer d) All of The Above e) None of The Above
Last Answer : d) All of The Above
Description : What mechanical and electronic device has a name derived from a Czechoslovakian word meaning "work; compulsory service"?
Last Answer : ANSWER: ROBOT
Description : A bolometer is (A) Used for the measurement of thermal radiation (B) An element which senses optical input and delivers thermal output (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Which type of optical splitter (Y-coupler or T-coupler) splits only a small amount of power from the input fiber to one of the output fibers?
Last Answer : T-coupler
Description : If the input force on a simple machine is 2 N and the output force is 4 N what is it and mechanical advantage?
Last Answer : 80 Is the Output force
Description : What is the mechanical efficiency if the input is 1000 and the output work is 600?
Last Answer : It is 0.6