MCQOPTIONS
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MCQOPTIONS
This section includes 258 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The three different types of pen plotter technology are flatbed, drum, and: |
| A. | electrostatic |
| B. | thermal |
| C. | pinch roller |
| D. | impact |
| Answer» D. impact | |
| 52. |
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and: |
| A. | logic |
| B. | software |
| C. | NC tape programming |
| D. | computer graphics workstation |
| Answer» B. software | |
| 53. |
What kind of capability is required if one plans to interface with a plotter or printer? |
| A. | A graphics cable |
| B. | RGB monitor |
| C. | A graphics board |
| D. | A co-processor |
| Answer» D. A co-processor | |
| 54. |
Which of the following is a graphical output device? |
| A. | Dot-matrix Printer |
| B. | Plotter |
| C. | Laser Printer |
| D. | Line Printer |
| Answer» C. Laser Printer | |
| 55. |
Compared to humans, machines: |
| A. | can make more complex decisions based on unexpected circumstances |
| B. | can work in harsher environments |
| C. | make fewer errors |
| D. | (a) and (c) |
| Answer» E. | |
| 56. |
When a computer fetches an instruction, the binary code representing the instruction appears on the: |
| A. | I/O address bus |
| B. | memory data bus |
| C. | input data bus |
| D. | output data bus |
| Answer» C. input data bus | |
| 57. |
An assembly language instruction: |
| A. | is written in ones and zeros |
| B. | corresponds to one computer operation |
| C. | does not require knowledge of the computer design |
| D. | All of the above |
| Answer» C. does not require knowledge of the computer design | |
| 58. |
A favourable reason for automation is to: |
| A. | decrease throughput |
| B. | raises assembly cost |
| C. | perform difficult operations |
| D. | increase number of operations |
| Answer» D. increase number of operations | |
| 59. |
A thermistor: |
| A. | is a pressure sensing device |
| B. | has a voltage output |
| C. | measures temperature |
| D. | All of the above |
| Answer» D. All of the above | |
| 60. |
Programming languages currently available for robots: |
| A. | may be point-to-point languages |
| B. | require training |
| C. | may allow primitive motion |
| D. | All of the above |
| Answer» E. | |
| 61. |
The linking of PCs with a communi¬cations system is referred to as: |
| A. | workstations |
| B. | streaming |
| C. | turnkey systems |
| D. | networking |
| Answer» E. | |
| 62. |
A disadvantage of Numerical Control (NC) is: |
| A. | the computer is not reliable |
| B. | the tape and tape reader are not reliable |
| C. | one operator is needed for each machine. |
| D. | the machine tool can easily overheat |
| Answer» C. one operator is needed for each machine. | |
| 63. |
In the operation of a programmable controller: |
| A. | all of the logic status is maintained in memory |
| B. | any latched data must be done using an external latching relay |
| C. | mathematics cannot be performed |
| D. | All of the above |
| Answer» B. any latched data must be done using an external latching relay | |
| 64. |
The "end-effector" of a robot: |
| A. | can be an actual tool |
| B. | is the robot "hand" |
| C. | may have a gripping action |
| D. | All of the above |
| Answer» E. | |
| 65. |
A smart solid-state sensor is: |
| A. | one that integrates both logic and a solid-state sensor into one unit. |
| B. | one that has two or three substrates |
| C. | not available today |
| D. | All of the above |
| Answer» B. one that has two or three substrates | |
| 66. |
Several objectives are required to achieve a successful data base management program. These are availability of data, quality of data, and |
| A. | compatibility of data |
| B. | transmission of data |
| C. | desirability of data |
| D. | up-to-date data |
| Answer» E. | |
| 67. |
The APT (automatically progra¬mmed tools) language is used with: |
| A. | large automation systems |
| B. | drafting systems |
| C. | programmable controllers |
| D. | numerical controlled machines. |
| Answer» E. | |
| 68. |
Which of the following devices would be classified as a robot by the Robot Institute of America? |
| A. | Automobile |
| B. | Pick-and-place manipulator |
| C. | Artificial hand |
| D. | All of the above |
| Answer» C. Artificial hand | |
| 69. |
The method of solid modeling that defines the topology of faces, edges, and vertics, as well as data that defines the surface in which each face lies is called: |
| A. | constructive solid geometry |
| B. | layering |
| C. | boundary representation |
| D. | isometric |
| Answer» D. isometric | |
| 70. |
Which of the following may be classified as an automation system? |
| A. | automated warehouses |
| B. | numerically controlled machine tools |
| C. | robotics |
| D. | All of the above |
| Answer» E. | |
| 71. |
Time proportioning control: |
| A. | can be used on a PM550 programmable process controller |
| B. | is less efficient than normal PID control |
| C. | cannot use a TM990 micro¬computer |
| D. | a and b above. |
| Answer» B. is less efficient than normal PID control | |
| 72. |
Historically, central systems were used because: |
| A. | semiconductor memory was not available |
| B. | memory was very expensive |
| C. | memory consumed a large amount of power |
| D. | All of the above |
| Answer» E. | |
| 73. |
Group technology brings together and organizes: |
| A. | automation and tool production |
| B. | parts and simulation analysis |
| C. | documentation and analysis |
| D. | common parts, problems, and tasks |
| Answer» E. | |
| 74. |
When one must sell a project to management, the most important document he or she can produce is a: |
| A. | method for financing the project |
| B. | summary of the problem |
| C. | project evaluation |
| D. | procedure for purchase |
| Answer» D. procedure for purchase | |
| 75. |
The device that assembles groups of characters into complete messages prior to their entering the CPU is called: |
| A. | a compiler |
| B. | an interpreter |
| C. | a communications processor |
| D. | an editor |
| Answer» D. an editor | |
| 76. |
The power source that drives the manipulator can be: |
| A. | pneumatic |
| B. | electric |
| C. | hydraulic |
| D. | All of the above |
| Answer» E. | |
| 77. |
Plotter accuracy is measured in terms of repeatability and: |
| A. | intelligence |
| B. | vertical dimension |
| C. | resolution |
| D. | buffer size |
| Answer» D. buffer size | |
| 78. |
Which of the following devices could be part of a sensor? |
| A. | thermometer |
| B. | brake |
| C. | relay |
| D. | clutch. |
| Answer» B. brake | |
| 79. |
For a type 2 system, the steady-state: |
| A. | error for a step input is always zero |
| B. | error for a velocity input is always zero |
| C. | input for acceleration input is always non-zero |
| D. | All of the above |
| Answer» E. | |
| 80. |
Which part of the system allows the user to interact with the compiler? (a) Memory |
| A. | Translator |
| B. | Communications processor |
| C. | Interpreter |
| D. | None of the above |
| Answer» E. | |
| 81. |
A common data base is one requisite for converting CAD and CAM to CIM. Another is that: |
| A. | the system must make provision for new techniques. |
| B. | there should be a common 3-D part description system. |
| C. | the user must have access to both hardware and software |
| D. | technical assistance must be provided to the user. |
| Answer» C. the user must have access to both hardware and software | |
| 82. |
The hardware device Jhat acts as both a switching and connecting unit is called a(n): |
| A. | concentrator |
| B. | RS-232C port |
| C. | multiplexer |
| D. | communications processor |
| Answer» D. communications processor | |
| 83. |
Which type of digitizer measures a wave traveling at the speed of sound? |
| A. | Electrostatic |
| B. | Sonic |
| C. | Digitizing sr amer |
| D. | Caparitive |
| Answer» C. Digitizing sr amer | |
| 84. |
A display of a volume model that shows all of its edges is called a: |
| A. | surface model |
| B. | 3-D model |
| C. | wire-frame |
| D. | solid model |
| Answer» D. solid model | |
| 85. |
High-level languages: |
| A. | are "procedure-oriented" |
| B. | are very difficult to use |
| C. | cannot be used with automatic systems. |
| D. | require knowledge of the computer design |
| Answer» B. are very difficult to use | |
| 86. |
The computer graphics system called SKETCHPAD was demonstrated at |
| A. | Massachusetts Institute of Technology in 1963 |
| B. | Imperial college of Science and Technology, London, 1973 |
| C. | University of Aston, Birmingham, 1960 |
| D. | Cranfield Institute of Technology, London, 1962 |
| Answer» B. Imperial college of Science and Technology, London, 1973 | |
| 87. |
FORTRAN is: |
| A. | machine dependent |
| B. | a medium-level language |
| C. | a mathematically oriented language |
| D. | All of the above |
| Answer» D. All of the above | |
| 88. |
A stepping motor; |
| A. | has a speed proportional to voltage input |
| B. | has a commutator |
| C. | is a good choice where continuous rotation is needed |
| D. | can index positional movement. |
| Answer» E. | |
| 89. |
The ideal solution is to have a system coordinator who will interface with the engineering and manufacturing managers, as well as the: |
| A. | finance manager |
| B. | president |
| C. | marketing manager |
| D. | MIS manager |
| Answer» E. | |
| 90. |
Relay ladder logic is used in a PC because: |
| A. | it is impossible to write a control program for a machine in any other logic |
| B. | it is the best industrial control language ever developed. |
| C. | most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use |
| D. | All of the above |
| Answer» D. All of the above | |
| 91. |
Artificial intelligence operates on the principle of using a _____ base as opposed to a data base. |
| A. | Character |
| B. | Knowledge |
| C. | PROLOG |
| D. | LISP |
| Answer» C. PROLOG | |
| 92. |
When was the first successful industrial robot installed in the General Motors Plant in USA? |
| A. | 1960 |
| B. | 1961 |
| C. | 1963 |
| D. | 1967 |
| Answer» C. 1963 | |
| 93. |
Light sensors: |
| A. | cannot be used a s limit switches. |
| B. | come in a wide variety of mounting styles |
| C. | work in direct sunlight |
| D. | never use infrared light as light source |
| Answer» C. work in direct sunlight | |
| 94. |
An aneroid barometer |
| A. | is very unreliable |
| B. | can measure only atmospheric pressure |
| C. | measures pressure by sensing deflection of an evacuated chambers. |
| D. | can be used to measure gas or liquid flow rates |
| Answer» D. can be used to measure gas or liquid flow rates | |
| 95. |
Which of the methods below can be used to tell a robot what it is to do? |
| A. | Walk-through |
| B. | Set mechanical stops |
| C. | Software program |
| D. | (a) and (c) |
| Answer» E. | |
| 96. |
Analog and digital controllers: |
| A. | cost the same to build |
| B. | accept the same input signals |
| C. | can be changed with equal case |
| D. | All of the above |
| Answer» E. | |
| 97. |
The two types of relays in a PC are: |
| A. | an output relay and a control relay |
| B. | a control relay and a retentive relay |
| C. | a retentive relay and a non-retentive relay |
| D. | All of the above |
| Answer» B. a control relay and a retentive relay | |
| 98. |
A flexible manufacturing system may be: |
| A. | an automated assembly line |
| B. | expensive to alter |
| C. | very difficult to change when new products are introduced |
| D. | All of the above. |
| Answer» B. expensive to alter | |
| 99. |
What Is a process variable? |
| A. | A manipulated variable |
| B. | A controlled variable |
| C. | A process parameter that changes value |
| D. | All of the above |
| Answer» E. | |
| 100. |
The Ziegler-Nichols method: |
| A. | is a graphical solution method |
| B. | can be used to determine gain factors of a PI loop |
| C. | is a method of control |
| D. | a and b above |
| Answer» E. | |