WorksheetsLesson 1.2 Assessment
Total questions: 40
Worksheet time: 50mins
In the Circuit Design Process, which step involves creating a table that defines what it means for a specification to be 'high' or 'low'? (a) .
Simulation
Breadboard and Test
What is the recommended approach to designing and testing circuits according to the curriculum?
Design the entire circuit at once
Prototype and test incrementally
Build without testing
Troubleshoot after complete design.
Fill in the blank: The curriculum focused on the circuit design process by exploring simple designs in (a) and sequential logic.
What is the purpose of the 'Boolean Simplification' step in the Combinational Logic Design Process?
In the truth table of an inverter gate, what is the output Z when the input X is 1?
0
1
X
Z
Explain the role of AOI Logic in combinational logic designs.
Fill in the blank: The label 74LS32N corresponds to the _______ gate.
A) AND
B) OR
C) INVERT
D) NOR
When does the buzzer turn on in the seat belt circuit?
When the door is closed
When the door is open OR the key is in the ignition and the seat belt is not buckled
When the seat belt is buckled
When the key is not in the ignition.
Fill in the blank: The circuit uses a ______ gate to combine the signals from the SeatBelt and Key in the Ignition.
NOT
AND
OR
XOR
Which type of signal is more precise but more difficult to work with?
A) Analog Signals
B) Digital Signals
In the context of waves, what does the symbol 'T' represent?
A) Amplitude
B) Frequency
C) Period
D) Wavelength
The distance between two consecutive peaks of a wave is known as the ____.
A) Amplitude
B) Frequency
C) Period
D) Wavelength
The peak-to-peak value of a wave is twice the ____.
Frequency
Amplitude
Period
Wavelength
Digital signals can be ______ or non-periodic.
constant
periodic
random
variable
Time High (tH) refers to the time during which a signal is: .
Low or 0V
High or 5V
Rising
Falling
Why is the process of successive division is used in decimal to binary conversion.
It simplifies the conversion process.
It is the only method available.
It is faster than other methods.
It is a traditional method.
What is the decimal equivalent of the binary number 0110?
4
5
6
7
Explain the process of converting a binary number to a decimal number using weighted multiplication.
Match the following powers of 2 with their values:
20
1
21
2
22
4
23
8
24
16
Convert the binary number 0110101₂ into its decimal equivalent.
The binary number 11010 is equal to (a) in decimal.
Describe how signal A toggles in relation to signal B.
In the timing diagram, what is the state of B when the clock-in signal is at '3'?
0
1
What is the function of pin 1 in the IC component view?
Clock Input
Clear Input
Data Input
Ground
What is a capacitor?
A device that stores electrical energy
A device that converts electrical energy
A device that measures electrical energy
A device that insulates electrical energy
In the equation for charging a capacitor, what does VInitial represent?
Explain the process of a capacitor discharging through a resistor.
What happens to the voltage across the capacitor as time increases?
Increases
Decreases
Stays the same
Fluctuates
What is the purpose of the flip-flop in the 555 Timer Oscillator Mode?
The duty cycle (DC) is calculated as DC = ______.
A) tHIGH / T × 100%
B) (RA + RB) / (RA + 2RB) × 100%
C) 1 / T
D) 0.693 (RA + RB)C
Calculate the frequency (f) of the 555 Timer oscillator circuit using the given values.
What is the period of the waveform shown in the oscilloscope?
10 mSec
15 mSec
20 mSec
25 mSec
Which component is responsible for slowing and eventually stopping the oscillation in the Board Game Counter?
100uF capacitor
1.2 kΩ resistor
555 timer
10kΩ resistor
What happens to the frequency of the 555 Timer OUTPUT when the push button is released?
It increases
It decreases
It remains the same
It stops.
The frequency of the waveform is ______.
40 Hz
66 Hz
25 Hz
15 Hz
Explain the relationship between period and frequency.
The circuit is part of the ___ Logic Section of the Random Number Generator
A) Combinational
B) Sequential
C) Analog
D) Digital
What is the role of the CLOCK signal in the sequential logic circuit?
Match the following components with their symbols:
74LS74N
Flip-Flop
74LS08N
AND Gate
74LS04N
NOT Gate
