Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Interrupts of 8085

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Which interrupt has the highest priority?

a)

INTR

b)

TRAP

c)

RST 7.5

d)

RST 6.5

2.

What is the RST for the TRAP?

a)

RST 4

b)

RST 4.5

c)

RST 5.5

d)

RST 7

3.

Address line for RST 3 is?

a)

0020H

b)

0028H

c)

0018H

d)

0026H

4.

Which interrupt is not level sensitive in 8085?

a)

RST 6.5 is a raising edge-triggering interrupt.

b)

RST 7.5 is a raising edge-triggering interrupt.

c)

Both A and B

d)

None of the above

5.

SIM stands for

a)

Select Interrupt Mask

b)

Sorting Interrupt Mask

c)

Set Interrupt Mask

d)

None of the above

6.

What are level Triggering interrupts?

a)

INTR &TRAP

b)

RST 6.5 & RST 5.5

c)

RST 7.5 & RST 6.5

d)

None of the above

7.

RIM is used to check whether

a)

The write operation is done or not

b)

The interrupt is Masked or not

c)

a & b

d)

None of the above

8.

Which is a Non- maskable interrupt?

a)

TRAP

b)

RST 6.5

c)

RST 7.5

d)

RST 5.5

9.

RIM stands for

(a)  

10.

A non vectored Interrupt

(a)  

11.

An instruction to enable Interrupt

(a)  

12.

An instruction to disable Interrupt

(a)  

13.

RST stands for

(a)  

14.

An instruction at the end of ISR to resume back to main program

(a)  

15.

INTA is

a)

an acknowledgement signal to Interrupt

b)

Interrupt request signal

c)

Software Interrupt

d)

None of the above