Subelement E: Digital Logic— Topic 36: Flip-Flops
Question 3-36E1
Element 3 (GROL)A flip-flop circuit is a binary logic element with how many stable states?
Explanation
A flip-flop circuit, also known as a bistable multivibrator, is a fundamental digital logic element designed to store a single bit of information. This bit can exist in one of two stable states: a "0" (low voltage) or a "1" (high voltage). The circuit will remain in its current state indefinitely until an external input signal, such as a clock pulse or a data input, causes it to "flip" to the other state or "flop" back.
These two distinct and stable states (0 and 1) are what make it a binary element, essential for building memory registers, counters, and frequency dividers used extensively in modern amateur radio equipment for digital signal processing, control, and synthesis.
Options A, C, and D are incorrect because a single flip-flop is inherently a one-bit storage device. While multiple flip-flops can be cascaded to store 4 or 8 bits (e.g., in a register or counter), an individual flip-flop unit always possesses only two stable output conditions.
Related Questions
3-35E5 Given the input levels shown in Figure 3E14 and assuming positive logic devices, what would the output be?3-35E6 What is a truth table?3-36E2 What is a flip-flop circuit? A binary sequential logic element with ___stable states.3-36E3 How many flip-flops are required to divide a signal frequency by 4?3-36E4 How many bits of information can be stored in a single flip-flop circuit?