Coprocessor of Intel

Embedded System

This set of Embedded Systems Multiple Choice Questions & Answers (MCQs) focuses on “Coprocessor of Intel”.

1. Which of the following is a coprocessor of 80386?
a) 80387
b) 8087
c) 8089
d) 8088

2. Name the processor which helps in floating point calculations.
a) microprocessor
b) microcontroller
c) coprocessor
d) controller

3. Which is the coprocessor of 8086?
a) 8087
b) 8088
c) 8086
d) 8080

4. Which of the following is a coprocessor of Motorola 68000 family?
a) 68001
b) 68011
c) 68881
d) 68010

5. Which of the following processors can perform exponential, logarithmic and trigonometric functions?
a) 8086
b) 8087
c) 8080
d) 8088

6. How many stack register does an 8087 have?
a) 4
b) 8
c) 16
d) 32

7. Which of the following processor can handle infinity values?
a) 8080
b) 8086
c) 8087
d) 8088

8. Which coprocessor supports affine closure?
a) 80187
b) 80287
c) 80387
d) 8088

9. Which one is the floating point coprocessor of 80286?
a) 8087
b) 80187
c) 80287
d) 80387

10. How many pins does 8087 have?
a) 40 pin DIP
b) 20 pin DIP
c) 40 pins
d) 20 pins

11. What is the clock frequency of 8087?
a) 10 MHz
b) 5 MHz
c) 6 MHz
d) 4 MHz

12. How are negative numbers stored in a coprocessor?
a) 1’s complement
b) 2’s complement
c) decimal
d) gray

13. How many bits are used for storing signed integers?
a) 2
b) 4
c) 8
d) 16

14. Which of the processor has an internal coprocessor?
a) 8087
b) 80287
c) 80387
d) 80486DX

15. What are the two major sections in a coprocessor?
a) control unit and numeric control unit
b) integer unit and control unit
c) floating point unit and coprocessor unit
d) coprocessor unit and numeric control unit

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