Computer Science - Automation System MCQs Part 1

1. A program language:

A.
defines the form of the instruction

B.
is always machine dependent

C.
is never machine dependent

D.
All of the above

E.
None of the above

 Answer Option A

2. 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

E.
None of the above

 Answer Option D

3. Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?

A.
Solid modeling

B.
Wire-frame modeling

C.
Surface modeling

D.
FEM (Finite Element Modeling)

E.
None of the above

 Answer Option A

4. 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

E.
None of the above

 Answer Option D

5. Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?

A.
Direct view storage tube

B.
Raster scan CRT

C.
Refresh-vector CRT

D.
Stroke CRT

E.
None of the above

 Answer Option A

6. Automation normally means:

A. a net loss of jobs.

B. a net increase in jobs.

C. no change in jobs.

D. All of the above

E. None of the above

 Answer Option B

7. Trend analysis:

A. is used only in financial planning

B. can improve control system response

C. requires a very expensive system to implement

D. is a brand new concept

E. None of the above

 Answer Option B

8. 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

E. None of the above

 Answer Option B

9. What key hardware item ties a CAD/ CAM system together?

A. Mouse

B. Graphics workstation

C. Digitizer

D. Plotter

E. None of the above

 Answer Option B

10. Which of these controller types is the most accurate?

A. Proportional plus integral

B. Proportional

C. Proportional plus derivative

D. Three mode

E. None of the above

 Answer Option D

11. Flat panel displays are based on what type of technology?

A. Direct view storage tube

B. Very large-scale integration (VLSI)

C. Solid state

D. RGB monitor

E. None of the above

 Answer Option C

12. Which of the following is a graphical input device?

A. light pen

B. keyboard

C. mouse

D. Track ball

E. None of the above

 Answer Option A

13. Today, programmable controllers:

A. are more powerful then the first controllers on the market

B. are relatively low cost compared with the original digital equipment available for industrial control

C. can be cost effective even when replacing just a few relays

D. All of the above

E. None of the above

 Answer Option D

14. Productivity is defined as:

A. number of items manufactured per day

B. output per man-hour of labour

C. cost per day

D. cost per unit

E. None of the above

 Answer Option B

15. The main function(s) of computer in CAD is/are

A. To serve as an extension to the memory of the designer

B. To enhance the analytical and logical power of the designer

C. To relieve the designer from routine repetitious tasks.

D. All of the above

E. None of the above

 Answer Option D

16. 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. June 1965

B. November 1966

C. December 1967

D. April 1970

E. None of the above

 Answer Option C

17. 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

E. None of the above

 Answer Option D

18. 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.

E. None of the above

 Answer Option C

19. 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

E. None of the above

 Answer Option B

20. There are several procedures you can implement to provide maximum security. The most important of these is:

A. do not leave training manuals unsecured

B. run regular simulated tests using TARP (testing of Applications Recovery Planes)

C. Verify the reputation of the people installing your system

D. do not allow unbonded service people to work on your equipment

E. None of the above

 Answer Option B

21. 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

E. None of the above

 Answer Option C

22. A drum timer is a good example of:

A. an output actuator

B. an input sensor

C. a position sensor

D. a sequence controller

E. None of the above

 Answer Option D

23. 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

E. None of the above

 Answer Option D

24. 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

E. None of the above

 Answer Option B

25. The general type of process found in industry is:

A. discrete parts

B. continuous

C. batch

D. All of the above

E. None of the above

 Answer Option D

26. 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

E. None of the above

 Answer Option A

27. In raster-scan colour monitors, colour can be intensified by:

A. grouping the phosphor dots in a circular pattern

B. having each electron gun controlled by a composite signal

C. using an in-line gun arrangement with a solid metal mesh

D. having each electron gun controlled by separate signal

E. None of the above

 Answer Option D

28. Timing using a TM990 micro¬computer:

A. require an external timer added by the user

B. is available on the standard CPU board

C. can be handled in software

D. both (b) and (c)

E. None of the above.

 Answer Option D

29. 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)

E. None of the above

 Answer Option A

30. 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

E. None of the above

 Answer Option C

31. Which device does the general population associate most with automation?

A. Flexible manufacturing

B. Robots

C. Numerical control machine

D. Computer graphics workstation

E. None of the above

 Answer Option B

32. Using a microcomputer as a controller allows:

A. faster cycle time

B. simpler mechanical hardware

C. more self diagnostics of the machine operation

D. All of the above

E. None of the above

 Answer Option D

33. If the transient response is under damped:

A. steady-state will be reached faster than if the system is overdamped

B. the value of the output will exceed the value of the input at times during the transient period

C. the present overshoot is zero

D. both a and b

E. None of the above

 Answer Option D

34. 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

E. None of the above

 Answer Option B

35. The coordinate system used to describe a workpiece:

A. is always two-dimensional

B. changes from part to part

C. is defined with respect to a point on the machine

D. All of the above

E. None of the above

 Answer Option C

36. 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

E. None of the above

 Answer Option C

37. The SKETCHPAD system

A. consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.

B. is used for interactive Graphics

C. is expensive because it is sophisticated and make demands on the power and resources of the computer.

D. All of the above

E. None of the above

 Answer Option D

38. The name given to the test that determines whether a machine can think is the:

A. Gaussian test

B. McCarthy test

C. Turing test

D. Boolean test

E. None of the above

 Answer Option C

39. Which of the following is a machine language instruction?

A. ADD 5

B. 10001101

C. GOTO XOUT

D. All of the above

E. None of the above

 Answer Option B

40. The two major categories of software are: application software and

A. system software

B. UNIX software

C. high-level languages

D. CAD software

E. None of the above

 Answer Option A

41. 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

E. None of the above

 Answer Option C

42. When of the following produces the best quality graphics reproduction?

A. Dot metric printers

B. Ink jet printers

C. Laser printers

D. Plotters

E. None of the above

 Answer Option D

43. The three key elements for a graphics workstation include the host processor, display controller, and:

A. mouse

B. keyboard

C. CRT

D. digitizer

E. None of the above

 Answer Option C

44. 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

E. None of the above

 Answer Option D

45. The raster CRT eliminates:

A. flicker and slow update

B. slow update only

C. flicker only

D. has no effect

E. None of the above

 Answer Option A

46. 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

E. None ,of the above

 Answer Option B

47. CAD/CAM is the inter-relationship between:

A. manufacturing and marketing

B. marketing and design

C. engineering and marketing

D. engineering and manufacturing

E. None of the above

 Answer Option D

48. What prevents a robotic instrument from running into other objects?

A. negative image

B. functional manipulators

C. memory

D. sensory devices

E. None of the above

 Answer Option D

49. 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

E. None of the above

 Answer Option D