The common standard control modes for a plant control system are

The common standard control modes for a plant control system are

a) integral and derivative
b) proportional and reset
c) proportional, reset, and integral
d) reset, integral, and rate
e) derivative, proportional, and integral





Answer: E

A typical use of a mainframe computer system in a process would be

A typical use of a mainframe computer system in a process would be

a) the operation of a modulating control valve
b) acting as a "host" computer
c) producing hard copies of a plant system
d) producing graphics of a plant system
e) storing information onto a floppy disk





Answer: A

A computer normally displays information to the operator via

A computer normally displays information to the operator via

a. a CRT or LCD
b. an icon
c. a CAD
d. a Modem
e. a CPU




Answer: A

The main function of a mainframe computer system is to:

The main function of a mainframe computer system is to:

a. Evaluate systems by comparison
b. Rapidly process large amounts of data
c. Perform only a specific dedicated task
d. Produce hypothetical solutions to problems
e. Act as a networking switch






Answer: B

The type of circuit used to store (write) and retrieve (read) information from a computer is known as its:

The type of circuit used to store (write) and retrieve (read) information from a computer is known as its:

a. Bytes
b. Motherboard
c. RAM
d. CPU
e. ROM





Answer: C

Run time totals, recorded by a computer, are commonly used:

Run time totals, recorded by a computer, are commonly used:

a. In graphic displays
b. For inventory control
c. For logic supervisory systems
d. For maintenance management
e. With a modem





Answer: D

Digital output signals are processed by _____ before an analog controls can react to them.

Digital output signals are processed by _____ before an analog controls can react to them.

a. Digital receivers
b. Logic controllers
c. Modems
d. Analog converters
e. Integrated circuits




Answer: D

A device used to convert audio tones to computer language is a:

A device used to convert audio tones to computer language is a:

a. Transmitter
b. Multiplexer
c. Plotter
d. Modulator/demodulator
e. CPU





Answer: D

Data cannot be permanently stored on a

Data cannot be permanently stored on a

a. CD-ROM
b. Hard disk
c. CPU
d. Monitor
e. DVD-ROM





Answer: D

An analog control loop output must be put through a _____ before the computer can react to the signal.

An analog control loop output must be put through a _____ before the computer can react to the signal.

a. Digital converter
b. Signal inverter
c. ROM detector
d. Modem
e. CPU






Answer: A

Transmitters that transmit digital codes directly to a computer are known as:

Transmitters that transmit digital codes directly to a computer are known as:

a. Digital transmitters
b. Smart transmitters
c. Analog transmitters
d. Pneumatic transmitters
e. Modems





Answer: B

A multiplexing sequence may be repeated as frequently as

A multiplexing sequence may be repeated as frequently as

a. Once per hour
b. Twice per minute
c. Twice per second
d. Four times or more per second
e. Fifty times per second





Answer: D

A process computer connected to digital inputs is protected from harmful voltages by means of:

A process computer connected to digital inputs is protected from harmful voltages by means of:

a. Splitter bars
b. Fuses
c. Isolating circuits
d. Circuit breakers
e. Stand-alone devices





Answer: C

Soft keying is:

Soft keying is:

a. Done only with laptop computers
b. Done to make the computer quicker and easier to use
c. A method of pressing a key twice before a result is obtained
d. The same as using a mouse or joystick
e. Also called "double-clicking."




Answer: B

Sharing and transferring information between computers is termed:

Sharing and transferring information between computers is termed:

a. Central processing
b. Multiplexing
c. Plotting
d. Number crunching
e. Networking





Answer: E

Which of the following would be the best choice for a powerhouse control-room installation?

Which of the following would be the best choice for a powerhouse control-room installation? 

a. A minicomputer
b. A mainframe computer
c. A microcomputer
d. A netbook computer
e. A laptop computer




Answer: C

Inputs for logic and supervisory computer functions are mainly:

Inputs for logic and supervisory computer functions are mainly:

a. By switch contacts
b. Actions of an operator using the keyboard
c. Stored on a disk which is required for operation
d. Controlled by relays
e. Non-decision making





Answer: A

The main component of any computer is the:

The main component of any computer is the:

a. Keyboard
b. Screen
c. Modem
d. Printer
e. Central processing unit




Answer: E

When personal computers are linked together and information flows between them, it is called:

When personal computers are linked together and information flows between them, it is called:

a. Telecommunicating
b. Networking
c. Teleconferencing
d. Linking
e. Hardware sharing





Answer: B

Which of the following is a programming language?

Which of the following is a programming language?

a. English
b. Word
c. Desktop publishing
d. Latin
e. Pascal




Answer: E