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Microprocessors and Microcontroller -1

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The 8085 microprocessor has ______ pins.

a)

40

b)

28

c)

20

d)

16

2.

In the 8085 microprocessor, consider the following instructions: MVI B, 09H DCR B After execution, the contents of register B will be _______.

a)

08H

b)

09H

c)

00H

d)

0AH

3.

The width of the registers in the 8086 microprocessor is _____ bit.

a)

16

b)

8

c)

32

d)

64

4.

In 8086 microprocessor, ______ unit is responsible for fetching instructions.

a)

Bus Interface Unit (BIU)

b)

Execution Unit (EU)

c)

Arithmetic Logic Unit (ALU)

d)

Control Unit (CU)

5.

An example for Programmable Communication Interface is:

a)

UART

b)

ALU

c)

RAM

d)

Timer

6.

Expand the abbreviation USART.

a)

Universal Synchronous/Asynchronous Receiver/Transmitter

b)

Unified Serial/Analog Receiver/Transmitter

c)

Universal Serial/Asynchronous Router/Transmitter

d)

Unidirectional Synchronous/Analog Receiver/Transmitter

7.

The 8051 microcontroller has ____ parallel I/O ports, each 8 bits wide.

a)

4

b)

2

c)

6

d)

8

8.

____ bytes of bit addressable memory is present in 8051 based microcontrollers.

a)

16

b)

32

c)

8

d)

64

9.

The PIC microcontroller family is developed by ______ Technology.

a)

Microchip

b)

Intel

c)

Texas Instruments

d)

Atmel

10.

ESP8266 is a ____ bit microcontroller with built-in Wi-Fi.

a)

32

b)

8

c)

16

d)

64