RISC (Reduced Instruction Set Computing) instructions are typically fixed length while CISC (Complex Instruction Set Computing) instructions are typically variable length. Instructions of the IBM z/Architecture are CISC instructions having a length of 2, 4 or 6 bytes. The Program counter 5061 is ...
Multiprocessing and multithreading can affect the computer performance. The difference between Multiprocessing and Multithreading is that, in multiprocessing, multiple processes are running concurrently using two or more processors and, in multithreading, multiple threads in a single process are running concurr...
Reduced instruction set or RISC processors are characterized by a smaller number of instructions which are simple to decode, and by requiring that all arithmetic/logic operations be performed register-to-register. Another feature is that of allowing no complex memory accesses; all memory accesses are...
SPARC (derived from Scalable Processor ARChitecture) is a RISC (Reduced Instruction Set Computing) ISA (Instruction Set Architecture) developed by Sun Microsystems. These SPARC microprocessors can be found in notebooks to supercomputers such as enterprise servers. They run operating systems like Solaris,...