Bus and Memory Transfers
Bus Transfers: In computer architecture, bus systems are generally classified into two types: Parallel Bus and Serial Bus. A Parallel Bus consists of multiple data lines, each capable of transferring…
Three-State Buffer
A 3-state buffer gate (also known as a tri-state buffer) is a type of logic gate that can operate in three different states: 1 (High), 0 (Low), and High Impedance…
Instruction Cycle
A program residing in the memory unit of the computer consists of a sequence of instructions. The program is executed in the computer by going through a cycle for each…
Comparison of Horizontal and Vertical Microprogramming
Aspect Horizontal Microprogramming Vertical Microprogramming Microinstruction Structure Microinstructions are simple and contain single control signals or operations. Microinstructions are detailed and contain all control signals needed for an instruction or…
Hardwired vs Micro-programmed Control Unit Design Approach
Aspect Hardwired Control Microprogrammed Control Control Signal Generation Control signals are generated directly by hardware circuits using combinational logic. Control signals are generated by executing microinstructions stored in control memory…