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.
| 201. |
The steady-state error is: |
| A. | independent of the type of input |
| B. | a function of the transient response |
| C. | zero for all inputs to type 1 systems |
| D. | decreased by increasing gain. |
| Answer» E. | |
| 202. |
A discrete parts process is: |
| A. | the same as a continuous process except a different controller must be used |
| B. | often encountered in manufacturing |
| C. | normally a repetitive series of operations |
| D. | (b) and (c) |
| Answer» B. often encountered in manufacturing | |
| 203. |
A servo controlled robot: |
| A. | stop only at fixed points on each axis |
| B. | can accelerate |
| C. | must be hydraulically driven |
| D. | must be electrically driven |
| Answer» C. must be hydraulically driven | |
| 204. |
What is the difference between integral and derivative control? |
| A. | derivative control does not eliminate offset error |
| B. | integral control has slower response to an error signal. |
| C. | derivative control responds to a change in the rate of change in the error signal |
| D. | All of the above |
| Answer» E. | |
| 205. |
Which of the following is often used as an alternative to the light pen or in association with storage tube displays? |
| A. | Digitiser |
| B. | Track ball |
| C. | Mouse |
| D. | Tablet |
| Answer» E. | |
| 206. |
A flip-flop: |
| A. | is a combinational logic device |
| B. | is a sequential logic device |
| C. | remembers what was previously stored in it |
| D. | (a) and (c) |
| Answer» E. | |
| 207. |
Which of these controller types is the most accurate? |
| A. | Proportional plus integral |
| B. | Proportional |
| C. | Proportional plus derivative |
| D. | Three mode |
| Answer» E. | |
| 208. |
Vision sensors: |
| A. | will remain very costly |
| B. | can not improve much in the next decade |
| C. | will more closely match the capabilities of the human eye |
| D. | All of the above |
| Answer» D. All of the above | |
| 209. |
How is the integral mode implemented using analog methods? |
| A. | Op amp and resistors |
| B. | Op amp and a capacitor |
| C. | Op amp and an RC network to place the error voltage across the capacitor |
| D. | All of the above |
| Answer» C. Op amp and an RC network to place the error voltage across the capacitor | |
| 210. |
Automation means: |
| A. | assisting or replacing humans with machines. |
| B. | workers controlling machines. |
| C. | increased productivity. |
| D. | All of the above |
| Answer» E. | |
| 211. |
Which of the following is not critical in PC CAD software? |
| A. | Crosshatching |
| B. | Layering |
| C. | Drawing/editing |
| D. | Damping |
| Answer» E. | |
| 212. |
The two major categories of software are: application software and |
| A. | system software |
| B. | UNIX software |
| C. | high-level languages |
| D. | CAD software |
| Answer» B. UNIX software | |
| 213. |
Digital signals: |
| A. | can have three possible levels |
| B. | are assigned values of 1 or 0 depending on the voltage level |
| C. | have a sinusoidal shape. |
| D. | have a frequency measured in units of hertz |
| Answer» C. have a sinusoidal shape. | |
| 214. |
A venturi tube: |
| A. | is extremely difficult to use |
| B. | is made only of metal |
| C. | measures the presence of a liquid |
| D. | can be used to measure gas or liquid flow rates |
| Answer» E. | |
| 215. |
Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance? |
| A. | The contract |
| B. | The project evaluation |
| C. | The financial report. |
| D. | The purchasing report |
| Answer» B. The project evaluation | |
| 216. |
Which of the plotters listed below eliminates media size limitations? |
| A. | Drum |
| B. | Flatbed |
| C. | Electrostatic |
| D. | Pinch roller |
| Answer» B. Flatbed | |
| 217. |
A dc servo motor: |
| A. | uses a tachometer for speed feedback |
| B. | uses a variable dc voltage for speed control |
| C. | can provide precise position control |
| D. | All of the above |
| Answer» E. | |
| 218. |
Standard computer control products: |
| A. | are available off the shelf |
| B. | are very expensive and not cost effective |
| C. | do not exist yet |
| D. | All of the above |
| Answer» B. are very expensive and not cost effective | |
| 219. |
Speech recognition: |
| A. | will never be used in industrial controls |
| B. | is already widely used in industrial controls |
| C. | will be used in more applications as the technology matures. |
| D. | All of the above |
| Answer» D. All of the above | |
| 220. |
What should be first considered in choosing a plotter? |
| A. | The hardware you currently own |
| B. | The application for which it will be used |
| C. | The type of data you will input |
| D. | The cost |
| Answer» C. The type of data you will input | |
| 221. |
The lowest form of computer language is called: |
| A. | FORTRAN |
| B. | BASIC |
| C. | machine language |
| D. | COBOL |
| Answer» D. COBOL | |
| 222. |
The general type of process found in industry is: |
| A. | discrete parts |
| B. | continuous |
| C. | batch |
| D. | All of the above |
| Answer» E. | |
| 223. |
Localizing an object in an image and selectively analyzing the object in a series of redundant layers is referred to as the: |
| A. | Turing test |
| B. | pyramid |
| C. | Gaussian pyramid |
| D. | Maxwell pyramid |
| Answer» D. Maxwell pyramid | |
| 224. |
What is the process lag? |
| A. | The time it takes for the sensor to respond to a changed. |
| B. | The lag in the error signal when the setpoint is changed. |
| C. | The time it takes for the mass of the process to respond to an input change. |
| D. | All of the above |
| Answer» D. All of the above | |
| 225. |
A microprocessor: |
| A. | is another name for a computer |
| B. | is a CPU in integrated circuit form |
| C. | executes a program of instructions |
| D. | (a) and (c) |
| Answer» E. | |
| 226. |
If the period of a sine wave is 0.001 second, the frequency of the sine wave is: |
| A. | 0.001 Hz |
| B. | 1,000 Hz |
| C. | 10,000 Hz |
| D. | 10 Hz |
| Answer» C. 10,000 Hz | |
| 227. |
A semi-continuous operation means: |
| A. | the operation is continuous each shift, but stops between shifts |
| B. | coffee breaks are allowed for the operator |
| C. | a computer is a required part of the machine |
| D. | each operation in a sequence is continuous, but subsequent operations in the sequence may be different. |
| Answer» E. | |
| 228. |
The use of specialized workstations: |
| A. | provides limited growth potentials for 3-D |
| B. | reduces the host computer workload and allows more users |
| C. | reduces the host computer workload |
| D. | has a high cost-performance tradeoff |
| Answer» C. reduces the host computer workload | |
| 229. |
A sequence controller: |
| A. | is difficult to program |
| B. | is a mechanical only controller |
| C. | is no longer in widespread use |
| D. | performs on/off control functions in relation to time. |
| Answer» E. | |
| 230. |
The program counter: |
| A. | decides which program to run |
| B. | counts the number of instructions that have been executed |
| C. | contains the address of the next instruction to be executed |
| D. | is where arithmetic is done in a computer. |
| Answer» D. is where arithmetic is done in a computer. | |
| 231. |
The axis of movement of a robot may include: |
| A. | Wrist rotation |
| B. | X-Y coordinate motion |
| C. | elbow rotation |
| D. | All of the above |
| Answer» E. | |
| 232. |
Advantages of robots include: |
| A. | increased productivity |
| B. | ability to withstand hazardous environments |
| C. | good return on investment and better company image |
| D. | All of the above |
| Answer» E. | |
| 233. |
The formula for memory capacity is: |
| A. | MC = N/2 |
| B. | MC = 2/N |
| C. | MC = N squared. |
| D. | MC -2 to the Nth power |
| Answer» E. | |
| 234. |
In pen plotters, "resolution" refers to the shortest possible line, but in electrostatic plotters it refers to: |
| A. | the number of dots per inch |
| B. | the speed per inch |
| C. | dual-axis tracking |
| D. | how accurately the plotter returns to a specific point |
| Answer» B. the speed per inch | |
| 235. |
Skipping every other line and picking up the skipped lines on the second pass is called: |
| A. | interlacing |
| B. | refresh-vector |
| C. | raster-scan |
| D. | stroke writing |
| Answer» B. refresh-vector | |
| 236. |
Which method uses the design analysis as a method for effecting the design? |
| A. | The iterative design method |
| B. | The direct method |
| C. | The design selection method |
| D. | All of the above |
| Answer» C. The design selection method | |
| 237. |
Which of the following is a graphical input device? |
| A. | light pen |
| B. | keyboard |
| C. | mouse |
| D. | Track ball |
| Answer» B. keyboard | |
| 238. |
An operational amplifier: |
| A. | can be used to subtract two or more signals |
| B. | can be used to sum two or more signals |
| C. | uses the principle of feedback |
| D. | All of the above |
| Answer» E. | |
| 239. |
The raster CRT eliminates: |
| A. | flicker and slow update |
| B. | slow update only |
| C. | flicker only |
| D. | has no effect |
| Answer» B. slow update only | |
| 240. |
A set of well-defined procedures based on mathematical and geometric formulas for solving a problem in a finite number of steps is called: |
| A. | a permutation |
| B. | an algorithm |
| C. | arithmetic logic |
| D. | a geometric model |
| Answer» C. arithmetic logic | |
| 241. |
Which method is frequently used, especially in the early stages of design? |
| A. | The iterative design method |
| B. | The direct method |
| C. | The design selection method |
| D. | All of the above |
| Answer» B. The direct method | |
| 242. |
Semiconductor devices: |
| A. | are less reliable than electro¬mechanical components |
| B. | usually have a very short MTBF (mean time between failure) |
| C. | have a very short infant mortality period |
| D. | All of the above |
| Answer» D. All of the above | |
| 243. |
What was the name of the Japanese worker who was killed by an industrial robot at the Akashi plant of Kawasaki Heavy Industries in Japan? |
| A. | M. Shubhagya |
| B. | Harun Shimada |
| C. | Kenji Urada |
| D. | K. Miceni |
| Answer» D. K. Miceni | |
| 244. |
A process controller: |
| A. | can interface to digital and analog I/O |
| B. | is useful in a continuous process control application |
| C. | can solve a PID process control equation easily |
| D. | All of the above |
| Answer» E. | |
| 245. |
Computer-based controllers: |
| A. | should be built in a modular fashion wherever possible |
| B. | are very difficult to change |
| C. | are very flexible |
| D. | (a) and (c) above |
| Answer» E. | |
| 246. |
The first industrial robot for commercial uses was installed in a Japanese plant at Toyota Automatic Loom Company, the parent company of the Toyota Automobile Group. When did this robot go into operation? |
| A. | 23894 |
| B. | 24412 |
| C. | 24807 |
| D. | 25659 |
| Answer» D. 25659 | |
| 247. |
A microprocessor is: |
| A. | controlled by a program |
| B. | an integrated circuit |
| C. | relatively inexpensive |
| D. | All of the above |
| Answer» E. | |
| 248. |
Which of the following symbol modes are used to input of graphics to General CAD system? |
| A. | Live and Rectangle mode |
| B. | Arc and Circle mode |
| C. | Dimension and Alphanumeric mode |
| D. | All of the above |
| Answer» E. | |
| 249. |
A programmable controller: |
| A. | allows faster machine checkout |
| B. | is easier to troubleshoot than standard relay logic |
| C. | both (a) and (b) |
| D. | All of the above |
| Answer» D. All of the above | |
| 250. |
Who made the statement "if a robot can do a job, a person should not be doing it"? |
| A. | Prof. F. A. Fisher of Britain |
| B. | Ron Albo of Shugart Associates, California |
| C. | Prof. Meredith Turing, London University |
| D. | John Smith, USA |
| Answer» C. Prof. Meredith Turing, London University | |