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Online Computer Science Test - Automation System Test

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
  • DO NOT refresh the page.
  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
An operational amplifier:
can be used to subtract two or more signals
can be used to sum two or more signals
uses the principle of feedback
All of the above
None of the above
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2.
The SKETCHPAD system
consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.
is used for interactive Graphics
is expensive because it is sophisticated and make demands on the power and resources of the computer.
All of the above
None of the above
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3.
In raster-scan colour monitors, colour can be intensified by:
grouping the phosphor dots in a circular pattern
having each electron gun controlled by a composite signal
using an in-line gun arrangement with a solid metal mesh
having each electron gun controlled by separate signal
None of the above
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4.
What should be first considered in choosing a plotter?
The hardware you currently own
The application for which it will be used
The type of data you will input
The cost
None of the above
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5.
The coordinate system used to describe a workpiece:
is always two-dimensional
changes from part to part
is defined with respect to a point on the machine
All of the above
None of the above
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6.
In pen plotters, "resolution" refers to the shortest possible line, but in electrostatic plotters it refers to:
the number of dots per inch
the speed per inch
dual-axis tracking
how accurately the plotter returns to a specific point
None of the above
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7.
Which industry is the leading user of robots?
Chemical industry
Automobile industry
Electronic industry
Shipping industry
None of the above
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8.
The electronic component that has been the key to recent developments in automation is the:
improved vacuum tube
integrated circuit
diode
transistor
None of the above
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9.
Four basic elements are required for an automated machine tool or production process. They are: input interface, memory, output interface and:
logic
software
NC tape programming
computer graphics workstation
None of the above
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10.
The ideal solution is to have a system coordinator who will interface with the engineering and manufacturing managers, as well as the:
finance manager
president
marketing manager
MIS manager
None of the above
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11.
The "snap" command feature in both AutoCAD and VersaCAD ensure that:
template lines can be removed
objects are entered at specific intervals.
identified data are automatically segmented
definable center markers are entered.
None of the above
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12.
If the present value in a timer in the TI510 is 8, how many milliseconds is required from the time the timer is started until the output is enabled?
18.0
133.36
149.88
1275.41
None of the above
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13.
Which of the plotters listed below eliminates media size limitations?
Drum
Flatbed
Electrostatic
Pinch roller
None of the above
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14.
Which part of the system allows the user to interact with the compiler? (a) Memory
Translator
Communications processor
Interpreter
None of the above
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15.
Direct Numerical Control means:
using several computers to control one large machine
using one computer to control several machines
complete elimination of a need for a human operator.
eliminating computers from the manufacturing process
None of the above
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16.
Which of the following is often used as an alternative to the light pen or in association with storage tube displays?
Digitiser
Track ball
Mouse
Tablet
None of the above
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17.
Skipping every other line and picking up the skipped lines on the second pass is called:
interlacing
refresh-vector
raster-scan
stroke writing
None of the above
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18.
When one must sell a project to management, the most important document he or she can produce is a:
method for financing the project
summary of the problem
project evaluation
procedure for purchase
None of the above
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19.
The "walk-through" method of programming a robot involves:
walking through your suggested procedure with your supervisor prior to programming
physically moving the robot through all the motions it is to repeat
moving the robot from one location to another
All of the above.
None of the above
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20.
An encoder:
is used to send telegraph signals
converts an input to a binary number
converts a binary number to a decimal number.
can have only four keys
None of the above
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