Processor decides the speed of the computer that it will execute the instruction fast or it will process slow. When a user thinks about to purchase a system the first question is in mind is processor. The first commercial microprocessor was the Intel 400
Maskable Interrupts– Processors have to interrupt mask register that allows enabling and disabling of hardware interrupts. Every signal has a bit placed in the mask register. If this bit is set, an interrupt is enabled & disabled when a bit is not set, or vice versa. Signals that interrupt ...
It is a 20 pin microcontroller. Pin 9 is Vss, ground pin, and Vdd, power supply pin. It has three different kinds of interrupt, which are normal interrupt, fast interrupt, high-speed interrupt. Normal interrupts store the significant registers on the stack by using push and pop instructions...
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The second-generation Pentium processors also have 3.3 million transistors—more than the earlier chips. The extra transistors exist because additional clock-control SL enhancements were added, along with an on-chip Advanced Programmable Interrupt Controller (APIC) and dual-processor interface....
It is a 16 bit special function register in the 8085microprocessor. It keeps track of the thenext memory addressof the instruction that is to be executed once the execution of the current instruction is completed.In other words, it holds the address of the memory locati...
Indication and isolation of the fault location by manual or automatic operation. Overload relays: These are devices that interrupt the circuit when a high current flows through them due to an overload. They consist of a sensing element that measures the current and a contact that opens or clos...
Apparatus using in undifferentiated strobe output to interface either of two incompatible memory access signal types to a memoryA node adapter chip for linking a node microprocessor to a serial data link incorporates a read/write circuit and an interrupt processing means to allow increased flexibility...
in some systems it is necessary to give the appearance of running several programs simultaneously. This is achieved by having the computer switch rapidly between running each program in turn. One means by which this is done is with a special signal called an interrupt which can periodically cause...
A processor with instructions to operate on different data types stored in a single logical register file. According to one embodiment of the invention, a processor includes a number of physical registers, a memory unit, and a decode/execution unit. The memory unit is to make the number of ...