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MicroController & Interfacing --Module 1 (Test 2)

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Addressing Of Internal RAM is --------.

a)

(00-0F)H

b)

(00-1F)H

c)

(00-7F)H

d)

None of the above

2.

The address of General purpose register is -------.

a)

(00-0F)H

b)

(00-1F)H

c)

(00-7F)H

d)

None of the above

3.

How many register banks are there in MC 8051

a)

1

b)

2

c)

3

d)

4

4.

Address of bit addressable area is ----------.

a)

(00-0F)H

b)

(00-1F)H

c)

(20-2F)H

d)

None of the above

5.

How many registers are there in each bank

a)

1

b)

2

c)

8

d)

4

6.

Which pin send back the MC to its initial stage

a)

INTR

b)

RST

c)

ALE

d)

None of the above

7.

Which pin is used to access External memory

a)

PSEN

b)

EA

c)

ALE

d)

RST

8.

ALE pin is used to

a)

Multiplex address & Data lines

b)

Demultiplex address & Data lines

c)

None of the above

9.

Which port in 8051MC have single function

a)

P1

b)

P2

c)

P0

d)

P3

10.

8051MC is a -------- pin IC

a)

32

b)

40

c)

20

d)

None of the above