Computer Science - Automation System MCQs Part 4

1. How is the integral mode implemented on a digital controller?

A.
the digital controller cannot handle integral mode

B.
the error is divided into discrete amounts

C.
the error signal is summed over a discrete time interval and accumulated by the controller

D.
All of the above

E.
None of the above

 Answer Option C

2. Which of the following is not critical in PC CAD software?

A.
Crosshatching

B.
Layering

C.
Drawing/editing

D.
Damping

E.
None of the above

 Answer Option D

3. Which of the following editor(s) is(are) incorporated into general CAD system?

A.
Point Editor

B.
Line Editor

C.
Macro and symbol Editor

D.
All of the above

E.
None of the above

 Answer Option D

4. 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)

E.
None of the above

 Answer Option D

5. 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

E.
None of the above

 Answer Option A

6. Which of the plotters listed below eliminates media size limitations?

A. Drum

B. Flatbed

C. Electrostatic

D. Pinch roller

E. None of the above

 Answer Option A

7. In order to combat foreign competition, U.S. companies are:

A. automating

B. ignoring the situation

C. seeking import tariffs

D. decreasing the salaries

E. None of the above

 Answer Option A

8. 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

E. None of the above

 Answer Option D

9. Most current PC CAD systems are used for producing:

A. solids modeling

B. 2-D drawings

C. circuit simulation

D. finite element analysis

E. None of the above

 Answer Option B

10. A continuous process is:

A. used only for simple tasks

B. one that never shuts down

C. self-contained in that raw materials enter the process and an identifiable products exits the process.

D. used only with analog controllers.

E. None of the above

 Answer Option C

11. The rate at which scanning is repeated is called the:

A. stroke rate

B. refresh rate

C. bandwidth

D. resolution

E. None of the above

 Answer Option B

12. One of the following is not considered a method of input control in a CAD system.

A. Joystick

B. Programmable function box

C. Plotter

D. Touch terminal

E. None of the above

 Answer Option C

13. Which part of the system performs the "housekeeping" chores?

A. operating system

B. compiler

C. interpreter

D. translator

E. None of the above

 Answer Option A

14. The greatest change as a result of CAD/CAM is taking place in which industry?

A. Medical

B. Aerospace

C. Electronics

D. Cartography

E. None of the above

 Answer Option C

15. Who are called steel collar workers?

A. Office clerks

B. Factory workers

C. Steel factory workers

D. Robots

E. None of the above

 Answer Option D

16. For a type 1 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. (a) and (c)

E. None of the above

 Answer Option D

17. 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

E. None of the above

 Answer Option D

18. Which of the following is required for a plotter to perform specific commands?

A. Firmware

B. Software

C. Driver

D. Hardware

E. None of the above

 Answer Option C

19. 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

E. None of the above

 Answer Option D

20. The refresh-vector CRT uses which of the following techniques?

A. The beam constantly travels across the screen to turn on/off a series of pixels.

B. Makes changes on the image by increasing the anode voltage.

C. Uses an electron gun to continuously flood the surface of the tube.

D. Creates images on the screen by scanning straight-line vectors between selected points.

E. None of the above

 Answer Option D

21. 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

E. None of the above

 Answer Option B

22. 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.

E. None of the above

 Answer Option A

23. Which of the following elements can be used with a TI510 FC?

A. Drum timer

B. Metronome

C. Cymbal timer

D. Flashing light

E. None of the above

 Answer Option A

24. For a type 0 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. (a) and (c)

E. None of the above

 Answer Option C

25. 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

E. None of the above

 Answer Option B

26. The lowest form of computer language is called:

A. FORTRAN

B. BASIC

C. machine language

D. COBOL

E. None of the above

 Answer Option C

27. CAE and CAM are linked through:

A. a common data base and communications system

B. NC tape programming and automated design

C. parts production and testing

D. assembly automation and tool production.

E. None of the above

 Answer Option A

28. The parallel register:

A. can store a multiple bit binary number

B. uses R-S flip-flops

C. All of the above

D. is erased after a word is read fromit

E. None of the above

 Answer Option A

29. Microcomputer-based control sys¬tems

A. will just keep their present capability

B. will have more standard industrial application software available in the future.

C. will tend to increase in cost.

D. All of the above

E. None of the above

 Answer Option B

30. A thermistor:

A. is a pressure sensing device

B. has a voltage output

C. measures temperature

D. All of the above

E. None of the above

 Answer Option C

31. 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.

E. None of the above

 Answer Option D

32. Many things can be done to minimize downtime loss. Identify two of them.

A. establish a user forum program

B. stock critical spare parts

C. provide an extra workstation

D. both b and c

E. None of the above

 Answer Option D

33. A typical NC system has which of the following components?

A. Controller

B. Tape input

C. Machine tool

D. All of the above

E. None of the above

 Answer Option D

34. 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 Option D

35. The robot:

A. is very primitive at the present

B. represents the most powerful new industrial automation tool currently on the horizon

C. will be more useful when robot vision is improved significantly

D. All of the above

E. None of the above

 Answer Option D

36. Direct Numerical Control means:

A. using several computers to control one large machine

B. using one computer to control several machines

C. complete elimination of a need for a human operator.

D. eliminating computers from the manufacturing process

E. None of the above

 Answer Option B

37. A proportional plus integral contro¬ller can:

A. has no transient response

B. can compensate for lag

C. can increase the system type

D. both (b) and (c)

E. None of the above

 Answer Option D

38. A pick-and-place manipulator is:

A. the most flexible of all robots

B. an intelligent robot

C. capable of point-to-point operation

D. primarily used for large parts handling

E. None of the above

 Answer Option C

39. FORTRAN is:

A. machine dependent

B. a medium-level language

C. a mathematically oriented language

D. All of the above

E. None of the above

 Answer Option C

40. 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)

E. None of the above

 Answer Option D

41. The processing, which normally consists of a small computer with one or more peripheral devices, connected via a high-speed line to the large control computer is known as

A. On-line processing

B. Remote-terminal processing

C. Batch mode processing

D. Intelligent terminal Processing

E. None of the above

 Answer Option D

42. VLSI (very large scale integrated circuits) logic:

A. will not be available in this decade

B. means more costly electronic products in the future

C. will result in lower cost, higher capability electronic equipment

D. All of the above

E. None of the above

 Answer Option C

43. The term used to represent the recycling of unused memory is:

A. garbage collection

B. diagnostic routine

C. memory dump

D. direct memory access

E. None of the above

 Answer Option A

44. In the instruction, 500 SUBA # 50 the command field is:

A. 500

B. # 50000

C. SUBA

D. (b) and (c)

E. None of the above

 Answer Option C

45. Use of modern control technology in automation systems:

A. reduces costs

B. improves reliability

C. increases yield

D. All of the above

E. None of the above

 Answer Option D

46. One of the major benefits of using CAD in tool design is that:

A. product design represents approximately one-half the engineering costs

B. tool motions can be checked to see if there is interference between the tool and the object

C. there is better coordination in the materials-handling area

D. it simplifies the trial-and-error method

E. None of the above

 Answer Option B

47. The speed at which the monitor accepts data is called:

A. bandwidth

B. response time

C. interlacing

D. scanning

E. None of the above

 Answer Option A

48. The chosen language for the Japanese Fifth-Generation Compu¬ter Project is:

A. LISP

B. FORTRAN

C. COBOL

D. PROLOG

E. None of the above

 Answer Option D

49. 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

E. None of the above

 Answer Option B

50. 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.

E. None of the above

 Answer Option D