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8085 MICROPROCESSOR

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

8085 microprocessor has

a)

30 pins

b)

40 pins

c)

50 pins

d)

20 pins

2.

The clock frequency of 8085 microprocesssor

a)

2 MHz

b)

3 MHz

c)

2 KHz

d)

3KHz

3.

Which of the following are the Interrupt pins of 8085 microprocessor

a)

RST 7.5

b)

OUT

c)

VCC

d)

ALE

4.

The addressing memory capacity of 8085 microprocessor

a)

64 KB

b)

64 GB

c)

64 BB

d)

64 MB

5.

Which of the them is not a Flag in 8085 microprocessor

a)

Trap Flag

b)

Carry Flag

c)

Sign Flag

d)

Zero Flag

6.

Which of the following interrupts has highest priority

a)

RST 7.5

b)

RST 5.5

c)

RST 6.5

d)

TRAP

7.

The size of the Data bus in 8085 microprocessor

a)

4 bit wide

b)

8 bit wide

c)

16 bit wide

d)

32 bit

8.

Which of the following registers are not accessible to the user for storing data

a)

B Register

b)

Program Counter

c)

Temporary Register

d)

H-L Pair Register

9.

The microprocessor internal architecture has ports and internal memory

a)

Yes

b)

No

10.

An 8 bit microprocessor has ----

Address bus

a)

16

b)

8

c)

19

d)

10

11.

An 8 bit microprocessor has ---data bus

a)

16

b)

8

c)

19

d)

10

12.

Microprocessor consists of

a)

ALU

b)

Address bus

c)

Data bus

d)

All

13.

The total number of status flags in 8085 microprocessor is

a)

4

b)

8

c)

7

d)

5

14.

In 8085 microprocessor the stack pointer is a register of

a)

2 bit

b)

16 bit

c)

5 bit

d)

8 bit

15.

What is the full form of ALE?

a)

All latch enable

b)

All level enable

c)

Address latch enable

d)

None of these

16.

An 8 bit microprocessor signifies that it has

a)

An 8 bit address bus

b)

An 8 bit control bus

c)

An 8 bit internal line

d)

An 8 bit data bus