The microinstructions stored in the control memory of a processor have a width of 26 bits. Each microinstruction is divided into three fields: a micro-operation field of 13 bits, a next address field (X), and a MUX select field (Y). There are 8 status bits in the inputs of the MUX.

The microinstructions stored in the control memory of a processor have a width of 26 bits. Each microinstruction is divided into three fields: a micro-operation field of 13 bits, a next address field (X), and a MUX select field (Y). There are 8 status bits in the inputs of the MUX.

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Chapter14: Files And Streams

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Concept explainers

Fundamentals of Input and Output Performance

The I/O subsystem is a component of computer system design that uses buses to assist communication between the Central Processing Unit, Computer Memory/Storage, and Input and Output Devices (that is known as peripheral devices). The I/O subsystem includes disc controllers, tape drives, discs, system buses, and other devices. The I/O database application reads and writes drives using the operating system windows I/O.

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The microinstructions stored in the control memory of a processor have a width of 26 bits.
Each microinstruction is divided into three fields: a micro-operation field of 13 bits, a next
address field (X), and a MUX select field (Y). There are 8 status bits in the inputs of the
MUX.
Load
Control
Address Register
Increment
Control
Memory
MUX
13
Y
Status Bits
8
Micro
operations
Calculate the number of bits in the X and Y fields. Also find the size of the control
memory in number of words?

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