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Computer architecture interview questions
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1 Which interrupt has the highest priority? 123
2 What are Hardware interrupts? 90
3 Can an RC circuit be used as clock source for 8085? 77
4 What are level-triggering interrupt? 87
5 Which interrupt is not level-sensitive in 8085? 92
6 What are Software interrupts? 85
7 What are the various flags used in 8085? 85
8 In 8085 name the 16 bit registers? 87
9 What is Stack Pointer? 98
10 What happens when HLT instruction is executed in processor? 66
11 What does Quality factor mean? 60
12 How many interrupts are there in 8085? 64
13 What is Tri-state logic? 75
14 What is meant by a bus? 51
15 What are the various registers in 8085? 50
16 Why crystal is a preferred clock source? 47
17 In 8085 which is called as High order / Low order Register? 59
18 Name 5 different addressing modes? 70
19 In what way interrupts are classified in 8085? 57
20 What is the difference between primary & secondary storage device? 54
21 Which Stack is used in 8085? 59
22 What is Program counter? 53
23 What is the RST for the TRAP? 62
24 What does EU do? 62
25 Which Stack is used in 8086? k is used in 8086? 57
26 What are the flags in 8086? 57
27 What is SIM and RIM instructions? 53
28 What is the difference between 8086 and 8088? 58
29 Give example for Non-Maskable interrupts? 61
30 Give examples for Micro controller? 66
31 What is clock frequency for 8085? 50
32 Give an example of one address microprocessor? 62
33 Give examples for 8 / 16 / 32 bit Microprocessor? 42
34 Name the processor lines of two major manufacturers? 48
35 What’s the speed and device maximum specs for Firewire? 59
36 Where does CPU Enhanced mode originate from? 53
37 How many bit combinations are there in a byte? 48
38 Have you studied buses? What types? 54
39 What is the Maximum clock frequency in 8086? 43
40 What is meant by Maskable interrupts? 45
41 What is Non-Maskable interrupts? 48
42 What are the different functional units in 8086? 57
43 What are the various segment registers in 8086? 50
44 What is a Microprocessor? 51
45 What are the flags in 8086? 44
46 Why crystal is a preferred clock source? 51
47 In 8085 which is called as High order / Low order Register? 53
48 What is Tri-state logic? 56
49 What happens when HLT instruction is executed in processor? 49
50 Which Stack is used in 8085? 54
51 What is Program counter? 48
52 What are the various registers in 8085? 50
53 What is 1st / 2nd / 3rd / 4th generation processor? 56
54 What’s the difference between L1 and L2 cache? 68
55 Difference between RISC and CISC 70
56 What is Virtual Memory? 69
57 What is a cache? 52
 
 

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