8 Bit Accumulator Processor of Embedded System

Embedded System

This set of Embedded Systems Multiple Choice Questions & Answers (MCQs) focuses on “8 Bit Accumulator Processor of Embedded System”.

1. Which is the first device which started microprocessor revolution by Intel?
a) 8080
b) 8086
c) 8087
d) 8088

2. Which is the first microprocessor by Motorola?
a) MC6800
b) MC68001
d) powerPC

3. Motorola MC6800 is a how many it processor?
a) 4
b) 8
c) 16
d) 32

4. How many accumulators does an MC6800 have?
a) 1
b) 2
c) 3
d) 4

5. How many bits does an accumulator of MC6800 have?
a) 8
b) 16
c) 32
d) 4

6. What is the performance of an accumulator?
a) Storing data and performing logical operation
b) Storing data and performing arithmetic operation
c) Storing address
d) Pointer

7. Which of the following is the area of memory that is used for storage?
a) Register
b) Stack
c) Accumulator
d) Memory

8. How a stack is accessed?
a) Stack pointer
b) Stack address
c) Stack bus
d) Stack register

9. PUSH-POP mechanism is seen in _______
a) Stack pointer
b) Register
c) Memory
d) Index register

10. 8 bits equals ________
a) 128 bytes
b) 64 bytes
c) 256 bytes
d) 32 bytes

11. What is the address range in 80286?
a) 1 Mbytes
b) 2 Mbytes
c) 16 Mbytes
d) 32 mbytes

12. Which is the first 32 bit member of Intel?
a) 8086
b) 8088
c) 80286
d) 80386

13. What supports multitasking in 80386?
a) Read mode
b) External paging memory management unit
c) Paging and segmentation
d) On-chip paging memory management unit

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