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PPT: Registers Notes | EduRev

Electrical Engineering (EE) : PPT: Registers Notes | EduRev

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REGISTERS
A  register  is  a  group  of  flip-flops  capable  of
storing  one  bit  of  information.
Register  consists  of  a  group  of  flip-flops  &
gates  that  effect  their  transition. The flip-flops
holds  the  binary  information  & the  gate control
when  &  how  new  information  is  transferred  into
the  register.
The  simplest  register   is  that  which  only
contains  flip-flops , with no  external  gates.
Page 2

REGISTERS
A  register  is  a  group  of  flip-flops  capable  of
storing  one  bit  of  information.
Register  consists  of  a  group  of  flip-flops  &
gates  that  effect  their  transition. The flip-flops
holds  the  binary  information  & the  gate control
when  &  how  new  information  is  transferred  into
the  register.
The  simplest  register   is  that  which  only
contains  flip-flops , with no  external  gates.
It  shows  how  a  register    constructed    with   four   D flip-flops  . The   common
clock  input  triggers  all  flip-flops  .
4 - bit  register
Page 3

REGISTERS
A  register  is  a  group  of  flip-flops  capable  of
storing  one  bit  of  information.
Register  consists  of  a  group  of  flip-flops  &
gates  that  effect  their  transition. The flip-flops
holds  the  binary  information  & the  gate control
when  &  how  new  information  is  transferred  into
the  register.
The  simplest  register   is  that  which  only
contains  flip-flops , with no  external  gates.
It  shows  how  a  register    constructed    with   four   D flip-flops  . The   common
clock  input  triggers  all  flip-flops  .
4 - bit  register
REGISTER     WITH
? The  transfer  of  new  information  into  a
register .
? If  all the  bits  of  the  register  are
parallel.
? LOAD INPUT- It  determines  whether
the  next  clock  pulse  will  accept  new
information  or  leave  the  information  in
the  register  intact.
Page 4

REGISTERS
A  register  is  a  group  of  flip-flops  capable  of
storing  one  bit  of  information.
Register  consists  of  a  group  of  flip-flops  &
gates  that  effect  their  transition. The flip-flops
holds  the  binary  information  & the  gate control
when  &  how  new  information  is  transferred  into
the  register.
The  simplest  register   is  that  which  only
contains  flip-flops , with no  external  gates.
It  shows  how  a  register    constructed    with   four   D flip-flops  . The   common
clock  input  triggers  all  flip-flops  .
4 - bit  register
REGISTER     WITH
? The  transfer  of  new  information  into  a
register .
? If  all the  bits  of  the  register  are
parallel.
? LOAD INPUT- It  determines  whether
the  next  clock  pulse  will  accept  new
information  or  leave  the  information  in
the  register  intact.
4- bit  register  with  parallel  load
Page 5

REGISTERS
A  register  is  a  group  of  flip-flops  capable  of
storing  one  bit  of  information.
Register  consists  of  a  group  of  flip-flops  &
gates  that  effect  their  transition. The flip-flops
holds  the  binary  information  & the  gate control
when  &  how  new  information  is  transferred  into
the  register.
The  simplest  register   is  that  which  only
contains  flip-flops , with no  external  gates.
It  shows  how  a  register    constructed    with   four   D flip-flops  . The   common
clock  input  triggers  all  flip-flops  .
4 - bit  register
REGISTER     WITH
? The  transfer  of  new  information  into  a
register .
? If  all the  bits  of  the  register  are
parallel.
? LOAD INPUT- It  determines  whether
the  next  clock  pulse  will  accept  new
information  or  leave  the  information  in
the  register  intact.
4- bit  register  with  parallel  load
SHIFT  REGISTERS
? In digital circuits a shift register is a
group of flip flops set up in a linear
fashion which have their inputs and
outputs connected together in such a
way that the data are shifted down the
line when the circuit is activated.
? The  simplest  shift  register  is  one
that  uses only  flip-flops.
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