Identify the addressing modes & the value of the register Ro for each of given instruction initial values of Ro= 1500, R1=3000, PC = 4000. ADDRESS VALUE 1000 1260 2000 1570 2900 1400 3000 1650 4000 1750 4102 1150 4500 1760 5000 1850

Identify the addressing modes & the value of the register Ro for each of given instruction initial values of Ro= 1500, R1=3000, PC = 4000. ADDRESS VALUE 1000 1260 2000 1570 2900 1400 3000 1650 4000 1750 4102 1150 4500 1760 5000 1850

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter11: Operating Systems

Section: Chapter Questions

Problem 30VE

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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.

Question

Identify the addressing modes & the value of the register Ro for each of given instructions if
initial values of Ro= 1500, R1=3000, PC = 4000.
ADDRESS
VALUE
1000
1260
2000
1570
2900
1400
3000
1650
4000
1750
4102
1150
4500
1760
5000
1850
i) Ld Ro. #125
11) Ld. Ro. [3000]
i11) Ld Ro. [Ri]
iv) Ld Ro. -100[Ri]
v) Ld Ro. [PC+100]

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