Page 202 - DCAP210_INTRODUCTION__TO_MICROPROCESSORS

Introduction to Microprocessors

Notes 5. The arithmetic instructions usually include ………….

(a) addition (b) subtraction
(c) division (d) All above
6. In 8085 the interrupts are classified as ………… interrupts.

(a) hardware (b) software
(c) Both (d) None
7. Hardware interrupts are …………
(a) RST5.0 (b) RST5.2

(c) RST5.4 (d) RST5.5
8. Software interrupts are …………

(a) RST3 (b) RST5.0
(c) RST5.4 (d) RST5.5
9. Addressing modes are ………… name.
(a) 2 (b) 3

(c) 4 (d) 5
10. RST 4.5 is called as …………
(a) RST5 (b) RST7

(c) TRAP (d) RST7.5
14.8 Review Questions

1. What way interrupts are classified in 8085?
2. What are hardware interrupts?
3. What are input and output devices?

4. Differences between Intel 8080 and 8085 processors.
5. What are software interrupts?
6. What is interrupt?

7. Explain Different addressing modes?
8. Explain the type interrupts 8085.
9. What are the various flags used in 8085?

10. What is program counter?

Answers for Self-Assessment Questions

1. (a) 2. (b) 3. (c) 4. (c) 5. (d)

6. (c) 7. (d) 8. (a) 9. (d) 10. (c)

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