Microcontroller of Embedded System

Embedded System

This set of Embedded Systems Multiple Choice Questions & Answers (MCQs) focuses on “Micro-controller of Embedded Systems”.

1. Which one of the following is a microcontroller from Motorola?
a) MC68HC05
b) 4004
d) 8080

2. Which is the first microcontroller?
a) 8051
b) Arm
c) TMS1000
d) Intel 4004

3. How many bits does MC68HC05 possess?
a) 4
b) 8
c) 16
d) 32

4. What is the bit size of the program counter in MC68HC05?
a) 7
b) 9
c) 13
d) 17

5. Which of the following microcontroller is used in engine management system?
a) MC68HC05
b) MC68HC11
c) Intel 80286
d) Intel 8086

6. Which is the concatenated register of MC68HC11?
a) D
b) X
c) IP
d) DI

7. What does CCR stand for?
a) Condition code register
b) Computing code register
c) Complex code register
d) Code control register

8. How many bytes of EPROM does MC68HC7054A possess?
a) 176 bytes
b) 240 bytes
c) 4144 bytes
d) 1024 bytes

9. Which of the following is an 8-bit command in MC68HC11?
a) Add
b) Shift
c) Multiply
d) Subtract

10. In the below diagram, identify the register of MC68HC05

a) CCR
b) PC
c) SP
d) IV

11. Which one of the following is an asynchronous communication channel?
a) SPI
b) MUDs
c) MOO

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