Q.1

In the digital clock project HDL, the 1 pps signal is used as a synchronous clock for all of the counters' stages, which are synchronously cascaded.

  • True
  • False
Q.2

In the keypad HDL encoder, as long as all columns are high the ring counter is enabled and counting.

  • True
  • False
Q.3

In the frequency counter, a pulse shaper block is needed to ensure that the unknown signal, whose frequency is to be measured, will be compatible with the clock input for the counter block.

  • True
  • False
Q.4

In the digital clock project, the AHDL block codes are connected using graphic design files.

  • True
  • False
Q.5

In HDL when a circuit is simulated on a computer, the designer must create all the different scenarios that will be experienced by the actual circuit and must also know the proper response to those inputs.

  • True
  • False
Q.6

In the keypad HDL encoder, NANDing of the columns is used to activate the freeze bit.

  • True
  • False
Q.7

The half-step sequence of a stepper motor is created by inserting a start with only one coil energized between full steps.

  • True
  • False
Q.8

One of the first steps in any HDL project is to define its scope by knowing the nature of all the signals that are interconnected to pieces of the project.

  • True
  • False
Q.9

One aspect of project planning and management is the selection of ________ that will best fit the application.

  • hardware platform
  • software
  • personnel
  • time
Q.10

One CASE construct inside another CASE construct is called a do-loop.

  • True
  • False
Q.11

A frequency counter is a circuit that can measure and display the frequency of a signal.

  • True
  • False
Q.12

Using one case construct inside another is known as ________.

  • doping
  • functioning
  • freezing
  • nesting
Q.13

In the frequency counter, the length of time for the ________ to be enabled can be selected with the range select input.

  • display register
  • frequency prescaler
  • BCD counter
  • signal generator
Q.14

The step rate of the simulation of a stepper motor is probably ________ the actual stepper motor.

  • slower than
  • more than
  • almost the same as
  • exactly the same as
Q.15

In a real project, the first step of definition often involves some ________ on the part of the project manager.

  • time
  • skill
  • research
  • management
Q.16

In the stepper motor, the half-step sequence is used when ________.

  • less torque is needed
  • larger steps are desired
  • smaller steps are desirable
  • more torque is needed
Q.17

A frequency counter ________ a signal.

  • measures
  • displays
  • measures and displays
  • measures, displays, and generates
Q.18

In the frequency counter, the pulse width of the enable signal is very critical for taking an accurate frequency measurement.

  • True
  • False
Q.19

One of the first steps in small-project management is to determine ________.

  • how many devices are controlled by the outputs
  • a way to test each block
  • if each block fits together
  • how each block works
Q.20

In the keypad encoder, the ________ detects when a key is pressed.

  • ring counter
  • MOD-6 counter
  • BCD counter
  • freeze bit
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