Chapter 8 NOCTI

A ____________ is a pictorial representation of a process, using a variety of symbols connected by lines and arrows.

process flow chart

What is the binary form of a decimal number 192?

11000000

What does the binary number 100101 equal to?

37

An engineer has connected an oscilloscope to measure the output of a standard wall electrical outlet. The oscilloscope shows a 60 hertz sine wave measuring 120 volts. This signal is

analog

A photo detector converts light to a/an ______________ signal

electrical

A coil surrounding an iron core, to which voltage has been applied, is a/an

electromagnet

A solenoid works on the principle of

electromagnetic force

A photo diode

emits light when a current passes through it

A network interface card (NIC) on a computer is receiving a series of pulses measuring +5 volts DC then alternating back to 0 volts. The +5 volt signal is referred to as

high

A specialized schematic used to document industrial control logic systems is a

ladder diagram

A ____________ switch opens automatically when the current exceeds a predetermined safety level

limit

When energized, a solenoid actuates upon which of the following?

steel