Microprocessors and Microcontrollers(Review Q)

Question 1

There are more than 30000 transistors in an 4004 processors

Answer 1

False

Question 2

Are based on Harvard architecture where program memory and Data memory are separate

Answer 2

Microcontroller

Question 3

Memory and I/O components have to be connected externally

Answer 3

Microprocessor

Question 4

The — controls the flow of data and instructions within the computer

Answer 4

Control unit

Question 5

What is true about microprocessor?

a. Microprocessor is controlling unit of a micro-computer
b. All of these
c. It is fabricated on a small chip capable of performing ALU (Arithmetic Logical Unit) Operations
d. It also communicate with the other devices connected to it

Answer 5

B. All of these

Question 6

It is the heart of embedded system

Answer 6

Microcontroller

Question 7

Since external components are low, total power consumption is less and can be used with devices running on stored power like batteries

Answer 7

Microcontroller

Question 8

Which year is microprocessor first developed

Answer 8

1971

Question 9

The microprocessor — those instructions from the memory

Answer 9

Fetch

Question 10

The register that is used to point the next instruction to be executed is the CX register

Answer 10

False

Question 11

A microcontroller is called a computer on a chip

Answer 11

True

Question 12

The microprocessor is of small size chip, hence is not portable

Answer 12

False

Question 13

A microprocessor with the necessary support circuits will include at lest two memory ICs: ROM or EPROM and a RAM

Answer 13

True

Question 14

Mainly used in personal computer

Answer 14

Microprocessor

Question 15

A microcontroller integrates multichip system with RAM, ROM, and I/O

Answer 15

True