VAN-NEUMANN ARCHITECTURE Vs HARVARD ARCHITECTURE

VAN-NEUMANN ARCHITECTURE	HARVARD ARCHITECTURE
Used in conventional processors found in PCs and Servers, and embedded systems with only control functions.	Used in DSPs and other processors found in latest embedded systems and Mobile communication systems, audio, speech, image processing systems
The data and program are stored in the same memory	The data and program memories are separate
The code is executed serially and takes more clock cycles	The code is executed in parallel
There is no exclusive Multiplier	It has MAC (Multiply Accumulate)
Absence of Barrel Shifter	Barrel Shifter help in shifting and rotating operations of the data
The programs can be optimized in lesser size	The program tend to grow big in size