• Electrical Engineering Reference

# 555 Timer MCQ Questions And Answers - Linear Integrated Circuits

555 Timer MCQs : This section focuses on the "555 Timer" in Linear Integrated Circuits. These Multiple Choice Questions (MCQs) should be practiced to improve the Linear Integrated Circuits skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

The 555 Timer IC got its name from the three _______ resistors that are used in its voltage divider network.

A. 5Ω
B. 5KΩ
C. 5MΩ
D. 5TΩ

Question 2

The 555 Timer IC is an _______ pin mini Dual-Inline Package

A. 1
B. 2
C. 4
D. 8

Question 3

555 Timer mainly useful for generating ___________ wave forms.

A. sinusoidal
B. cosinusoidal
C. non-sinusoidal
D. non-cosinusoidal

Question 4

The pictorial representation showing the internal details of a 555 Timer is known as?

A. simple diagram
B. functional diagram
C. exceptional diagram
D. All of the above

Question 5

The functional diagram of a 555 Timer IC consists of _______ comparators.

A. 2
B. 3
C. 4
D. 5

Question 6

555 Timer IC is useful for generating accurate time delays and oscillations

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

Question 7

Determine the time period of a monostable 555 multivibrator.

A. T = 0.33RC
B. T = 3RC
C. T = 1.1RC
D. T = RC

Question 8

How to obtain symmetrical waveform in Astable multivibrator?

A. Use clocked RS flip-flop
B. Use clocked D-flip-flop
C. Use clocked T-flip-flop
D. Use clocked JK flip-flop

Question 9

A 555 timer in monostable application mode can be used for

A. Pulse position modulation
B. Frequency shift keying
C. Speed control and measurement
D. Digital phase detector