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Robotics

Robotics · Quick practice · answer shown after each question

Electronics and digital logic

Question 1 of 10

Question 1 of 10

Which of these is an active electronic component?

Question 2 of 10

Question 2 of 10

A Karnaugh map is used to

Question 3 of 10

Question 3 of 10

Simplify the Boolean expression A + A·B.

Question 4 of 10

Question 4 of 10

In a circuit, a capacitor

Question 5 of 10

Question 5 of 10

A resistor has the colour bands brown, black and red. What is its resistance?

Question 6 of 10

Question 6 of 10

What is the value of A·Ā (A AND NOT A)?

Question 7 of 10

Question 7 of 10

A capacitor across a DC motor's terminals helps to

Question 8 of 10

Question 8 of 10

In analogue circuits, an operational amplifier (op-amp) is mainly used to

Question 9 of 10

Question 9 of 10

A pull-up resistor ensures a digital input reads

Question 10 of 10

Question 10 of 10

How many rows does the truth table of a logic circuit with 3 inputs have?

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.