Microcontroller
1.

 What is true about microcontroller?

A.  

A microcontroller is a small and low-cost microcomputer

B.  

It is designed to perform the specific tasks of embedded systems

C.  

microcontroller consists of the processor, the memory, Serial ports, peripherals.

D.  

All of the above

2.

Which is false about microcontroller?

A.  

Microcontrollers are used to execute a single task within an application.

B.  

It consists of CPU, RAM, ROM, I/O ports.

C.  

Its power consumption is high because it has to control the entire system.

D.  

It is built with CMOS technology

3.

 This type of microcontroller is generally used in automatically controlled appliances like automatic operational machines.

A.  

8-bit microcontroller

B.  

16-bit microcontroller

C.  

32-bit microcontroller

D.  

64-bit microcontroller

4.

 This type of microcontroller is designed in such a way that they do not have a program memory on the chip.

A.  

External memory microcontroller

B.  

Embedded memory microcontroller

C.  

CISC

D.  

RISC

5.

Which of the following is an example of Embedded memory microcontroller?

A.  

Intel 8031 microcontroller

B.  

Intel 8051 microcontroller.

C.  

Intel 8081 microcontroller.

D.  

Intel 8085 microcontroller.

6.

8051 microcontroller is designed by Intel in?

A.  

1980

B.  

1981

C.  

1982

D.  

1983

7.

At what PIN number, there is a RESET pin, which is used to reset the microcontroller to its initial values?

A.  

PIN 9

B.  

PIN 20

C.  

PIN 30

D.  

PIN 35

8.

 At what PIN number, there is EA pin which stands for External Access input?

A.  

PIN 28

B.  

PIN 29

C.  

PIN 30

D.  

PIN 31

9.

When pins are configured as an output (i.e. logic 0), then the single port pins can receive a current of?

A.  

5mA

B.  

8mA

C.  

15mA

D.  

10mA

10.

 Which IO Port can be used for higher address byte with addresses A8-A15?

A.  

PORT1

B.  

PORT0

C.  

PORT3

D.  

PORT2