McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Computer Science (BSc CS) .
| 101. |
Spots of __________ are produced on the screen by the transfer of the CT beam energy to the phosphor. |
| A. | sound. |
| B. | energy |
| C. | light |
| D. | platelet |
| Answer» C. light | |
| 102. |
Proper deflection amounts are attained by adjusting the ____________ through the coils. |
| A. | current. |
| B. | heat |
| C. | intensity |
| D. | voltage |
| Answer» A. current. | |
| 103. |
The most common types of graphics monitor employing a CRT is the _______ scan. |
| A. | raster. |
| B. | random |
| C. | CRT |
| D. | electron |
| Answer» A. raster. | |
| 104. |
The term ___________ refers to the total screen area. |
| A. | screen. |
| B. | gun |
| C. | frame |
| D. | pixel |
| Answer» C. frame | |
| 105. |
The number of bits per pixel in the frame buffer is called ________buffer area. |
| A. | width of the buffer. |
| B. | depth of the buffer area. |
| C. | height of the buffer area. |
| D. | color of the buffer area. |
| Answer» B. depth of the buffer area. | |
| 106. |
At the end of scan line, the electron beam returns to the ______ side of the screen. |
| A. | up. |
| B. | bottom |
| C. | right |
| D. | left |
| Answer» D. left | |
| 107. |
Refresh rates are described in units of _______. |
| A. | pixel. |
| B. | meter |
| C. | hertz |
| D. | cubic |
| Answer» C. hertz | |
| 108. |
After refreshing each scan line is called the __________. |
| A. | vertical retrace. |
| B. | horizontal retrace. |
| C. | interlace |
| D. | buffer line. |
| Answer» B. horizontal retrace. | |
| 109. |
Example of a random-scan display is________. |
| A. | pen plotter. |
| B. | mouse |
| C. | keyboard |
| D. | printer |
| Answer» A. pen plotter. | |
| 110. |
Refresh _____________ depends on the number of times to be displayed |
| A. | rate. |
| B. | times |
| C. | pixel |
| D. | system |
| Answer» A. rate. | |
| 111. |
Refresh display file is called the __________. |
| A. | display unit. |
| B. | display list. |
| C. | display processor. |
| D. | display file |
| Answer» A. display unit. | |
| 112. |
____________ ball is a two dimensional positioning device. |
| A. | Mouse. |
| B. | Track |
| C. | Space |
| D. | Thumb |
| Answer» B. Track | |
| 113. |
The LEDs in touch panel operate at IR frequencies, so that the light is ___________ to a user. |
| A. | visible. |
| B. | not visible |
| C. | partially visible. |
| D. | blurred |
| Answer» B. not visible | |
| 114. |
A light pen activated with a _______. |
| A. | button. |
| B. | switch |
| C. | pointer |
| D. | button switch. |
| Answer» D. button switch. | |
| 115. |
_________ scanner with a resolution of 600 dots per inch. |
| A. | Desktop full-color. |
| B. | Flatbed |
| C. | Drum |
| D. | Color |
| Answer» B. Flatbed | |
| 116. |
Input devices used in particular applications are ___________. |
| A. | trackball. |
| B. | space ball |
| C. | joystick |
| D. | data gloves |
| Answer» D. data gloves | |
| 117. |
A/An _______________ Device is any device that provides information, which is sent to the CPU. |
| A. | Input. |
| B. | Output |
| C. | CPU |
| D. | Memory |
| Answer» A. Input. | |
| 118. |
_________ tablets use sound waves to detect a stylus position |
| A. | Acoustic or Sonic. |
| B. | Sonic or Data. |
| C. | Data & Acoustic |
| D. | Graphic or data |
| Answer» A. Acoustic or Sonic. | |
| 119. |
Buttons and switches are often used to input ____________. |
| A. | numbers. |
| B. | inputs |
| C. | predefined Functions |
| D. | values |
| Answer» C. predefined Functions | |
| 120. |
Isometric joystick have _____________ stick. |
| A. | movable. |
| B. | partial movable. |
| C. | non-movable. |
| D. | static |
| Answer» C. non-movable. | |
| 121. |
To be able to select positions in any screen area with a light pen, we must have some__________ intensity assigned to each screen pixel. |
| A. | zero. |
| B. | one |
| C. | non-zero |
| D. | none |
| Answer» C. non-zero | |
| 122. |
____________________representations are useful for constructing 3D objects that possess translational, rotations or other symmetries. |
| A. | Buffer. |
| B. | Periodic |
| C. | Sweep |
| D. | Spline |
| Answer» C. Sweep | |
| 123. |
__________ are common devices for entering scalar values. |
| A. | Dials. |
| B. | Keyboards |
| C. | Mouse |
| D. | Joystick |
| Answer» A. Dials. | |
| 124. |
What is the latest write-once optical storage media? |
| A. | Digital paper. |
| B. | Magneto-optical disk. |
| C. | WORM disk. |
| D. | CD-ROM disk. |
| Answer» D. CD-ROM disk. | |
| 125. |
__________ are used to measure to dial rotations. |
| A. | Spectrometer. |
| B. | Voltmeter |
| C. | Potentiometer |
| D. | Ammeter |
| Answer» C. Potentiometer | |
| 126. |
Digital devices are_______. |
| A. | digital clock. |
| B. | automobile speed meter. |
| C. | clock with a dial and two hands. |
| D. | all of them. |
| Answer» A. digital clock. | |
| 127. |
An output device that uses words or messages recorded on a magnetic medium to produce audio response is____________. |
| A. | magnetic tape. |
| B. | voice response unit. |
| C. | voice recognition unit. |
| D. | voice band. |
| Answer» B. voice response unit. | |
| 128. |
___________ procedure accepts the coordinates of an inter point. |
| A. | Scan fill. |
| B. | Poly fill. |
| C. | Boundary fill. |
| D. | Area fill |
| Answer» C. Boundary fill. | |
| 129. |
____________ is applied to regions by displaying sets of parallel lines. |
| A. | Line fill. |
| B. | Hatch fill |
| C. | Solid fill. |
| D. | Empty fill. |
| Answer» B. Hatch fill | |
| 130. |
Changes in orientation, size and shape are accomplished with ________. |
| A. | geometric transformation. |
| B. | translation |
| C. | antialiasing |
| D. | transposition |
| Answer» A. geometric transformation. | |
| 131. |
_____________ is applied to an object by repositioning it along a straight line path from one coordinate location to another. |
| A. | Rotation. |
| B. | Scaling |
| C. | Translation |
| D. | Transformation |
| Answer» C. Translation | |
| 132. |
The translation distance pair (tx, ty) is called__________. |
| A. | sector shift. |
| B. | shift vector. |
| C. | matrix vector. |
| D. | coordinate vector |
| Answer» B. shift vector. | |
| 133. |
The applications of the ___________ mouse include virtual reality, CAD, animation. |
| A. | X |
| B. | Optical |
| C. | Optomechanical |
| D. | Z |
| Answer» D. Z | |
| 134. |
Space ball is used for___________ dimensional positioning. |
| A. | 2. |
| B. | 3 |
| C. | 1 |
| D. | 1 and 2. |
| Answer» B. 3 | |
| 135. |
Offline device is a/an _________________. |
| A. | device which is not connected to CPU. |
| B. | device which is connected to CPU |
| C. | direct access storage device |
| D. | I/O device. |
| Answer» A. device which is not connected to CPU. | |
| 136. |
The Z mouse features three button, ___________underneath. |
| A. | mouse ball. |
| B. | thumbwheel |
| C. | underwheel |
| D. | trackball |
| Answer» A. mouse ball. | |
| 137. |
The Z mouse features __________________buttons. |
| A. | 2. |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 138. |
The Z mouse features three button, mouse ball underneath, _________on the side. |
| A. | thumbwheel. |
| B. | mouse ball |
| C. | trackball |
| D. | underwheel |
| Answer» A. thumbwheel. | |
| 139. |
Joystick consist of ________ |
| A. | stick. |
| B. | ball |
| C. | wheel |
| D. | ball |
| Answer» A. stick. | |
| 140. |
____________ transformation alters the size of an object. |
| A. | Rotation. |
| B. | Scaling |
| C. | Translation |
| D. | Transferring |
| Answer» B. Scaling | |
| 141. |
Uniform scaling is produced that maintains relative object ___________. |
| A. | shape. |
| B. | vector |
| C. | scalar |
| D. | proportions |
| Answer» D. proportions | |
| 142. |
The location of the scaled object can be controlled by choosing a position called_________. |
| A. | vector position. |
| B. | scalar position. |
| C. | variable point. |
| D. | fixed point |
| Answer» D. fixed point | |
| 143. |
Unequal values of sx and sy results in ___________ scaling. |
| A. | integral. |
| B. | differential |
| C. | same |
| D. | different |
| Answer» B. differential | |
| 144. |
Uniform scaling of a circle is simple done by adjusting the _________. |
| A. | side. |
| B. | radius |
| C. | circumference |
| D. | area |
| Answer» B. radius | |
| 145. |
___________________ is obtained by calculating the matrix product of individual transformations. |
| A. | Matrix transformation. |
| B. | Finite transformation matrix. |
| C. | Composite transformation matrix. |
| D. | Infinite transformation matrix. |
| Answer» C. Composite transformation matrix. | |
| 146. |
The world coordinates area selected for display is called __________. |
| A. | window. |
| B. | glow |
| C. | view |
| D. | scene |
| Answer» A. window. | |
| 147. |
An area on the display device to which a window is mapped is called ______. |
| A. | viewport. |
| B. | glow |
| C. | view |
| D. | scene |
| Answer» A. viewport. | |
| 148. |
The mapping of a part of a world coordinate scene to a device coordinate is referred to as _____________ transformation. |
| A. | viewing. |
| B. | finite |
| C. | composite |
| D. | infinite |
| Answer» A. viewing. | |
| 149. |
The area of a picture that is selected for viewing is called ___________. |
| A. | window. |
| B. | glow |
| C. | view |
| D. | scene |
| Answer» A. window. | |
| 150. |
Translation is a ___________ body transformation that moves objects without deformation. |
| A. | Rigid. |
| B. | Fixed |
| C. | Flexible |
| D. | Single |
| Answer» A. Rigid. | |
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