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quizz3

Authored by Venkateswarlu G

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quizz3
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15 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The 8051 microcontroller is of ___pin package as a ______ processor

30, 1byte

20, 1 byte

40, 8 bit

40, 8 byte

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

After reset, SP register is initialized to address

8H

9H

7H

6H

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the address range of SFR Register bank?

00H-77H

40H-80H

80H-7FH

80H-FFH

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is of bit operations?

i) SP ii) P2 iii) TMOD iv) SBUF v) IP

ii, v only

ii, iv, v only

i, v only

iii, ii only

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In 8051 which interrupt has highest priority?

IE1

TF0

IE0

TF1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

8051 microcontrollers are manufactured by which of the following companies?

Atmel

Philips

Intel

All of the mentioned

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

AT89C2051 has RAM of:

128 bytes

256 bytes

64 bytes

512 bytes

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