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Digital Electronics - Logic Gates

Exercise : Logic Gates - General Questions
31.
What is the difference between a 7400 and a 7411 IC?
7400 has two four-input NAND gates; 7411 has three three-input AND gates
7400 has four two-input NAND gates; 7411 has three three-input AND gates
7400 has two four-input AND gates; 7411 has three three-input NAND gates
7400 has four two-input AND gates; 7411 has three three-input NAND gates
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Write the Boolean expression for an inverter logic gate with input C and output Y.
Y = C
Y =
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The output of an exclusive-OR gate is HIGH if ________.
all inputs are LOW
all inputs are HIGH
the inputs are unequal
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
A clock signal with a period of 1 s is applied to the input of an enable gate. The output must contain six pulses. How long must the enable pulse be active?
Enable must be active for 0 s.
Enable must be active for 3 s.
Enable must be active for 6 s.
Enable must be active for 12 s.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The AND function can be used to ________ and the OR function can be used to ________ .
enable, disable
disable, enable
enable or disable, enable or disable
detect, invert
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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