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Computer architecture interview questions
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1 Which interrupt has the highest priority? 223
2 What are Hardware interrupts? 163
3 Can an RC circuit be used as clock source for 8085? 136
4 What are level-triggering interrupt? 147
5 Which interrupt is not level-sensitive in 8085? 145
6 What are Software interrupts? 154
7 What are the various flags used in 8085? 150
8 In 8085 name the 16 bit registers? 143
9 What is Stack Pointer? 154
10 What happens when HLT instruction is executed in processor? 130
11 What does Quality factor mean? 112
12 How many interrupts are there in 8085? 126
13 What is Tri-state logic? 146
14 What is meant by a bus? 114
15 What are the various registers in 8085? 103
16 Why crystal is a preferred clock source? 110
17 In 8085 which is called as High order / Low order Register? 117
18 Name 5 different addressing modes? 123
19 In what way interrupts are classified in 8085? 107
20 What is the difference between primary & secondary storage device? 105
21 Which Stack is used in 8085? 112
22 What is Program counter? 100
23 What is the RST for the TRAP? 116
24 What does EU do? 121
25 Which Stack is used in 8086? k is used in 8086? 114
26 What are the flags in 8086? 111
27 What is SIM and RIM instructions? 113
28 What is the difference between 8086 and 8088? 107
29 Give example for Non-Maskable interrupts? 111
30 Give examples for Micro controller? 114
31 What is clock frequency for 8085? 93
32 Give an example of one address microprocessor? 112
33 Give examples for 8 / 16 / 32 bit Microprocessor? 84
34 Name the processor lines of two major manufacturers? 94
35 What’s the speed and device maximum specs for Firewire? 142
36 Where does CPU Enhanced mode originate from? 107
37 How many bit combinations are there in a byte? 114
38 Have you studied buses? What types? 117
39 What is the Maximum clock frequency in 8086? 100
40 What is meant by Maskable interrupts? 100
41 What is Non-Maskable interrupts? 104
42 What are the different functional units in 8086? 105
43 What are the various segment registers in 8086? 96
44 What is a Microprocessor? 117
45 What are the flags in 8086? 95
46 Why crystal is a preferred clock source? 103
47 In 8085 which is called as High order / Low order Register? 104
48 What is Tri-state logic? 115
49 What happens when HLT instruction is executed in processor? 102
50 Which Stack is used in 8085? 121
51 What is Program counter? 107
52 What are the various registers in 8085? 98
53 What is 1st / 2nd / 3rd / 4th generation processor? 107
54 What’s the difference between L1 and L2 cache? 131
55 Difference between RISC and CISC 145
56 What is Virtual Memory? 141
57 What is a cache? 122
 
 

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