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A flip-flop is said to be transparent when the Q output responds immediately to a change on the input. A register is a group of flip-flops used to store a binary word. One flip-flop is needed for each bit in the data word.
What is registers in flip-flop?
A register consists of a collection of binary storage cells, each implemented by a flip-flop. The number of cells determines the length of the register and, therefore, the length of the binary word stored within the register.
What is active low in flip-flop?
An active low SR latch (or active low SR Flip Flop) is a type of latch which is SET when S = 0(LOW). An active low SR latch is typically designed by using NAND gates. So, when S is applied as 0 the output of gate G1 i.e. Q is 1 irrespective of the condition of second input to the gate.
What is active-low preset?
Active-low Preset means the Flip-Flop output is set to ‘1’ when the Preset = ‘0’ Active-low Clear means the Flip-Flop output is reset to ‘0’ when the Clear = ‘0’ Similarly, Active-high Preset means the Flip-Flop output is set to ‘1’ when the Preset = ‘1’
How are flip flops used in a register?
A register is a group of flip-flops used to store a binary word. One flip-flop is needed for each bit in the data word. AND gates can be used to “strobe” or enable data gated into a register. A gate input is added to the S-R flip-flop to make the flip-flop synchronous.
When does a flip flop hold the last condition?
A flip-flop is “latched” when the Q output hold the last input condition. A flip-flop is said to be transparent when the Q output responds immediately to a change on the input. A register is a group of flip-flops used to store a binary word. One flip-flop is needed for each bit in the data word.
How are flip flops used in a computer?
These can be made high active by using inverters. A flip-flop is “latched” when the Q output hold the last input condition. A flip-flop is said to be transparent when the Q output responds immediately to a change on the input. A register is a group of flip-flops used to store a binary word.
How does a flip flop work on a NAND?
The cross-coupled NAND flip-flop has low active set and reset inputs. These can be made high active by using inverters. A flip-flop is “latched” when the Q output hold the last input condition. A flip-flop is said to be transparent when the Q output responds immediately to a change on the input.