Describe the types of tasks in which Perl is frequently used.
What will be an ideal response?
You can use Perl to manipulate text, display output, handle mathematical processes, and work with files. An important reason for learning Perl is that it is a popular scripting tool used for generating reports and for Web programming.
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There are three basic types of fiber optic connectors: the ____, the bayonet, and the push-pull.
A. LED B. threaded C. coaxial D. photodiode
All of the following statements are true EXCEPT:
A. when coil springs have sagged beyond specifications, they are replaced. B. a few vehicles use torsion bar springs that allow for spring height to be adjusted by tightening a screw against a bracket mounted on one of the torsion bar ends. C. shock mounts are designed to continually support a vehicle. D. air shocks or shock absorbers with coil springs around them are designed to be used only for temporary overload conditions.
Carbon brushes that ride on the slip rings provide electricity to the field coil.
Answer the following statement true (T) or false (F)
Voltage signals (waveforms) that do not go below zero are called ________
A) DC signals B) AC signals C) DC coupled signals D) Pulse trains