Computer Architecture Unit-I

Microoperations are the operations performed on the data in registers, such as shift, load, clear, increment, and more.

The two main characteristics of simple digital systems are the registers they contain and the operations they perform.

The purpose of register transfer language is to describe the transfer of data between registers and the operations performed on that data.

An example of a microoperation is shifting the data stored in a register.

A clock cycle is the time taken to perform an elementary operation on the information stored in one or more registers.

Shift = Moving the bits in a register left or right Load = Copying data from memory to a register Clear = Setting all bits in a register to 0 Increment = Increasing the value in a register by 1

Register Transfer = Transferring data between registers Microoperations = Operations on the data in registers Simple Digital Systems = Low-level building blocks of a digital computer Clock Cycle = An elementary operation performed during one clock pulse

Registers = Data storage elements within a digital system Operations = Actions performed on the data in the registers Information = Data passed between registers Microoperations = Functions built into registers

Arithmetic Microoperations = Addition, Subtraction Logic Microoperations = AND, OR, NOT Shift Microoperations = Left Shift, Right Shift Register Transfer = Move data from one register to another

Register Transfer Language = A high-level language used to specify microoperations Bus = A communication system that transfers data between components Memory Transfers = Operations that involve moving data to and from memory Sequential Circuits = Digital circuits with a clock that can store information