1) Differentiate
between a microprocessor and a micro controller
2) Differentiate
between a microprocessor and digital signal processor
3) List
the internal registers in 8085 microprocessor and their abbreviations and
lengths.
4) Describe
the primary function of each register.
5) List
five levels of interrupts in 8085 microprocessor with priority.
6) Interface
a key to SID pin of 8085 Microprocessor.
7) Interface
a LED to SOD pin of 8085 Microprocessor.
8) In
8085 microprocessor which has higher the priority NMI or DMA
9) What
are the differences between Memory mapped I/O and I/O mapped I/O
10) What are the various registers in
8085?
11) In 8085 name the 16 bit
registers?
12) What are the various flags used
in 8085?
13) What is Stack Pointer?
14) What is Program counter?
15) Which Stack is used in 8085?
16) What happens when HLT instruction
is executed in processor?
17) What is meant by a bus?
18) What is Tri-state logic?
19) Give an example of one address
microprocessor?
20) In what way interrupts are
classified in 8085?
21) What is Hardware interrupts?
22) What is Software interrupts?
23) Which interrupt has the highest
priority?
24) Name 5 different addressing
modes?
25) How many interrupts are there in
8085?
26) What is clock frequency for 8085
27) What is the RST for the TRAP?
28) In 8085 which is called as High
order / Low order Register?.
29) What are input & output
devices?
30) Can an RC circuit be used as
clock source for 8085?
31) Why crystal is a preferred clock
source?
32) Which interrupt is not
level-sensitive in 8085?
33) What does Quality factor mean?
34) What are level-triggering
interrupt?
35) Draw
and specify the complete bit configuration of 8085 flag Register?
36) Write
about RST pins in 8085?
37) List
the control and status signals available in 8085.
38) What
are the limitations of 8085 MPU?
39) Define
Immediate Addressing.
40) Define
Direct Addressing mode
41) List five levels of interrupts in 8085
microprocessor with priority.
42) What are
the differences between Memory mapped I/O and I/O mapped I/O
43) Give
the significance of SIM and RIM instruction available in 8085.
44) What
is the maximum number of H/W interrupts that can be connected through INTR pin
in 8085?
45) What are the various16 bits registers in
8085?
46) When the
READY signal of 8085 processor is sampled by the processor?
47) List
out all the hardware and software interrupts of 8085.
48) What
is the function of XTHL mnemonic?
49) Give
the significance of SIM and RIM instruction available in 8085.
50) What is the RST for the TRAP?
51) What is the function of RPE instruction in
8085?
PART B QUESTIONS
1)
Draw and
explain Bus architecture of 8085
2)
Briefly explain
I/O devices used in 8085.
3) Draw a flowchart and 8085 ALP for adding the
two hexadecimal numbers in any of the registers. If the sum is greater the FFH,
display 01H at output PORT0; otherwise display the sum
4) Draw the timing diagram for IN, OUT and CALL
instructions.
5) Write an ALP for the given expression:
(X+Y)*(X-Y)
6) Write a delay subroutine to produce a delay
of 0.5 seconds whose internal clock frequency is 3MHz.
7)
Explain the
operations of the given mnemonics:
a) RRC
b) CPM M
c) STC
d) DAA
8) Write an assembly language program to add an
array of numbers stored from 8000 to 8000+N. The first element of the array
gives the count value store the result in 8100 and 8101.
