Digital Logic and Microprocessors

Ripple is a one bit asynchronous sequential counter circuit.

Multiplexer is a combinational circuit having multiple input into one output. For example: 4x1 MUX = 4 inputs and 1 output.

Master slave J K flip flop prevents the data from racing through chain, at every clock pulse, the pattern is shifted only exactly one position.

A full adder circuit takes three inputs: two bits to be added (A and B) and a carry-in bit (Cin). It produces two outputs: a sum and a carry-out.

Cross coupling is the technique of connecting the output of one logic gate to the input of another to create a feedback loop, which is the fundamental mechanism behind a flip-flop.

Performing a bitwise XOR (^) on 0x6db7 and 0xa726: 0110 1101 1011 0111 XOR 1010 0111 0010 0110 equals 1100 1010 1001 0001, which is 0xca91.

To retain specific bits (masking) and set others, the OR operator is used. A bitwise OR with 1 sets a bit, while OR with 0 leaves it unchanged.

Pass II of the two-pass assembler processes the intermediate representation to synthesise the target program.

The data register is an extension to the accumulator. It is most useful for storing data related to the accumulator's current calculation.

Digital circuits are built using integrated circuits (ICs), which contain the logic gates and transistors necessary for digital operations.

TTL stands for Transistor-Transistor Logic, a logic family built from bipolar junction transistors.

DTL stands for Diode-Transistor Logic, an early logic family that preceded TTL.

In standard TTL logic, a logic high (1) is typically represented by a voltage level between 2.4V and 5V, with 3.5V being a common representative value.

In standard TTL logic, a logic low (0) is represented by a voltage level close to 0V, typically below 0.8V.