Computer Awareness for MCA Entrance Exam. We covered all the Computer Awareness for MCA Entrance Exam in this post for free so that you can practice well for the exam.
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Mock Test on Computer Awareness for MCQ Students
Which one of the following does not belong to the group of the other three devices?
(a) Light pen
(b) Trackball
(c) Speaker
(d) Graphic tablet
Option c – Speaker
Consider the following statements. I. Joystick is found applied in Unmanned Aerial Vehicles (UAVs) and submersible Remotely Operated Vehicles (ROVS). II. Joysticks are used in many industrial and manufacturing applications such as cranes, assembly lines, mining trucks, and excavators. Which of the statements given above is/are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option c – Both I and II
Consider the following statements. I. Trackball is an input device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes. II. Trackballs are used in computerized radar consoles like an air-traffic control room or sonar equipment on a ship or submarine. Which of the statements given above is/are correct?
(a) Only I
(b) Only Il
(c) Both I and II
(d) Neither I nor Il
Option c – Both I and II
Which one of the following is used to sense the movement of the stick of Joystick?
(a) Photocell
(b) Potentiometers
(c) Shielded cable
(d) Digitizer
Option b – Potentiometers
Which of the following is a lever that can be moved in several directions to control the movement of an image on a computer monitor or similar display screen?
(a) MIDI Devices
(b) Optical Mark Reader
(c) Visual Display Unit
(d) Joystick
Option d – Joystick
Which of the following converts analog information into digital form?
(a) Barcode reader
(b) Optical Mark Reading
(c) Digitizer
(d) Gamepad
Option c – Digitizer
Trackball is which of the following devices?
(a) Barcode reader
(b) Touchpad
(c) Output device
(d) Input device
Option d – Input device
Which one of the following output devices is used to produce the prints of pie charts, bar charts, and graphs with annotation?
(a) Serial printer
(b) Chain printer
(c) Line printer
(d) Printer plotters
Option d – Printer plotters
Which one of the following printers is known as a ‘non-impact printer’ in general?
(a) Line printer
(b) Drum printer
(c) Serial printer
(d) Laser printer
Option d – Laser printer
Consider the following statements. I. The drum and chain printers consist of a cylindrical drum and band of steel band respectively on which the character sets are embossed. II. The wavy line never appears in the drum printer and has advantages over the chain printer. Which of the statements given above is/are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option a – Only I
Does 3D printing have applications in which of the following? I. Preparation of confectionery items II. Manufacture of bionic cars III. Automotive industry IV. Reconstructive surgeries V. Data processing technologies Select the correct answer using the codes given below.
(a) I, III and IV
(b) II, II and IV
(c) I and IV
(d) I, II, III, IV and V
Option d – I, II, III, IV and V
In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? I. Location/identification of a person. II. Sleep monitoring of a person. III. Assisting the hearing impaired person. Select the correct answer by using the codes given below.
(a) Only I
(b) II and III
(c) Only III
(d) I, II, and III
Option d – I, II, and III
What is the computer graphic?
(a) Computer-aided designing of computer components.
(b) Computer-aided generation, representation, manipulation and display of pictures.
(c) Computer-aided designing and development of computer hardware.
(d) All the statements given above in (a), (b) and (c) are the correct descriptions about the computer graphics.
Option d – All the statements given above in (a), (b) and (c) are the correct descriptions about the computer graphics
Which one of the following people introduced the desktop metaphor?
(a) Alan Kay
(b) Allan Donald
(c) Howard Rich
(d) Henri Becquerel
Option a – Alan Kay
What is the function of the Window manager of Graphic applications?
(a) To control the appearance of 2D and 3D-pictures of the computer-aided design and draft
(b) To control the placement and appearance of Windows within a windowing system in a graphical user interface
(c) To control the placement and appearance of the cognitive features in the 2D and 3D formats
(d) None of the above
Option b – To control the placement and appearance of Windows within a windowing system in a graphical user interface
Which of the following groups have only output devices?
(a) Scanner, Keyboard, Printer
(b) Mouse, Printer, Monitor
(c) Keyboard, Monitor, Printer
(d) Plotter, Printer, Monitor
Option d – Plotter, Printer, Monitor
Which one of the following is the most common picking device for graphic applications?
(a) Graphic tablet
(b) Joystick
(c) Mouse
(d) Light pen
Option d – Light pen
How does the light pen, a picker input device for graphic applications work?
(a) A light pen works by producing IR-rays that causes a sudden small change in brightness of a point on the screen.
(b) A light pen works by sensing the sudden small change in brightness of a point on the screen when the UV-rays produced by the pen refresh that spot.
(c) A light pen works by sensing the sudden small change in brightness of a point on the screen when the electron gun refreshes that spot.
(d) None of the above
Option c – A light pen works by sensing the sudden small change in brightness of a point on the screen when the electron gun refreshes that spot
Which one of the following peripherals cannot serve as both input and output devices?
(a) Tele-printer
(b) Floppy disk drives
(c) Scanner
(d) Optical disc drives
Option c – Scanner
What is the purpose of the Webcam?
(a) To act as an output device.
(b) To act as an input device.
(c) To assist CPU to start OS.
(d) To assist with the debugging program.
Option b – To act as an input device
Which device is used as the standard pointing device in a Graphical User Environment?
(a) Keyboard
(b) Mouse
(c) Joystick
(d) Track ball
Option b – Mouse
Which one of the following invented television video games?
(a) Ralph H Baer
(b) MT Aito
(c) John Moore
(d) Richard Heitter
Option a – Ralph H Baer
Which one of the following devices are not used as a locator in graphic applications? ( Computer Awareness for MCA Entrance Exam )
(a) Graphic tablet
(b) Touch panel
(c) Mouse
(d) Light pen
Option d – Light pen
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