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1. |
A microprocessor is a _______ chip integrating all the functions of a CPU of a computer. |
A. | multiple |
B. | single |
C. | double |
D. | triple |
Answer» B. single |
2. |
Microprocessor is a/an _______ circuit that functions as the CPU of the compute |
A. | electronic |
B. | mechanic |
C. | integrating |
D. | processing |
Answer» A. electronic |
3. |
Microprocessor is the ______ of the computer and it perform all the computational tasks |
A. | main |
B. | heart |
C. | important |
D. | simple |
Answer» B. heart |
4. |
The purpose of the microprocessor is to control ______ |
A. | memory |
B. | switches |
C. | processing |
D. | tasks |
Answer» A. memory |
5. |
The first digital electronic computer was built in the year________ |
A. | 1950 |
B. | 1960 |
C. | 1940 |
D. | 1930 |
Answer» C. 1940 |
6. |
In 1960's texas institute invented ______ |
A. | integrated circuits |
B. | microprocessor |
C. | vacuum tubes |
D. | transistors |
Answer» A. integrated circuits |
7. |
The intel 8086 microprocessor is a _______ processor |
A. | 8 bit |
B. | 16 bit |
C. | 32 bit |
D. | 4 bit |
Answer» B. 16 bit |
8. |
The microprocessor can read/write 16 bit data from or to ________ |
A. | memory |
B. | i /o device |
C. | processor |
D. | register |
Answer» A. memory |
9. |
The work of EU is ________ |
A. | encoding |
B. | decoding |
C. | processing |
D. | calculations |
Answer» B. decoding |
10. |
The 16 bit flag of 8086 microprocessor is responsible to indicate ___________ |
A. | the condition of result of alu operation |
B. | the condition of memory |
C. | the result of addition |
D. | the result of subtraction |
Answer» A. the condition of result of alu operation |
11. |
The CF is known as ________ |
A. | carry flag |
B. | condition flag |
C. | common flag |
D. | single flag |
Answer» A. carry flag |
12. |
The SF is called as ________ |
A. | service flag |
B. | sign flag |
C. | single flag |
D. | condition flag |
Answer» B. sign flag |
13. |
The OF is called as _______ |
A. | overflow flag |
B. | overdue flag |
C. | one flag |
D. | over flag |
Answer» A. overflow flag |
14. |
The IF is called as _________ |
A. | initial flag |
B. | indicate flag |
C. | interrupt flag |
D. | inter flag |
Answer» C. interrupt flag |
15. |
The register AX is formed by grouping ________ |
A. | ah & al |
B. | bh & bl |
C. | ch & cl |
D. | dh & dl |
Answer» A. ah & al |
16. |
The SP is indicated by ________ |
A. | single pointer |
B. | stack pointer |
C. | source pointer |
D. | destination pointer |
Answer» B. stack pointer |
17. |
The BP is indicated by _______ |
A. | base pointer |
B. | binary pointer |
C. | bit pointer |
D. | digital pointer |
Answer» A. base pointer |
18. |
The SS is called as ________ |
A. | single stack |
B. | stack segment |
C. | sequence stack |
D. | random stack |
Answer» B. stack segment |
19. |
The index register are used to hold _______ |
A. | memory register |
B. | offset address |
C. | segment memory |
D. | offset memory |
Answer» B. offset address |
20. |
The BIU contains FIFO register of size __________ bytes |
A. | 8 |
B. | 6 |
C. | 4 |
D. | 12 |
Answer» B. 6 |
21. |
The BIU prefetches the instruction from memory and store them in ________ |
A. | queue |
B. | register |
C. | memory |
D. | stack |
Answer» A. queue |
22. |
The 1 MB byte of memory can be divided into ______ segment |
A. | 1 kbyte |
B. | 64 kbyte |
C. | 33 kbyte |
D. | 34 kbyte |
Answer» B. 64 kbyte |
23. |
The DS is called as _______ |
A. | data segment |
B. | digital segment |
C. | divide segment |
D. | decode segment |
Answer» A. data segment |
24. |
The CS register stores instruction _____________ in code segment |
A. | stream |
B. | path |
C. | codes |
D. | stream line |
Answer» C. codes |
25. |
The IP is ________ bits in length |
A. | 8 bits |
B. | 4 bits |
C. | 16 bits |
D. | 32 bits |
Answer» C. 16 bits |
26. |
The push source copies a word from source to ______ |
A. | stack |
B. | memory |
C. | register |
D. | destination |
Answer» A. stack |
27. |
LDs copies to consecutive words from memory to register and ___________ |
A. | es |
B. | ds |
C. | ss |
D. | cs |
Answer» B. ds |
28. |
INC destination increments the content of destination by _______ |
A. | 1 |
B. | 2 |
C. | 30 |
D. | 41 |
Answer» A. 1 |
29. |
IMUL source is a signed _________ |
A. | multiplication |
B. | addition |
C. | subtraction |
D. | division |
Answer» A. multiplication |
30. |
_________destination inverts each bit of destination |
A. | not |
B. | nor |
C. | and |
D. | or |
Answer» A. not |
31. |
The JS is called as ______ |
A. | jump the signed bit |
B. | jump single bit |
C. | jump simple bit |
D. | jump signal it |
Answer» A. jump the signed bit |
32. |
Instruction providing both segment base and offset address are called _____ |
A. | below type . |
B. | far type |
C. | low type |
D. | high type |
Answer» B. far type |
33. |
The conditional branch instruction specify ___________ for branching |
A. | conditions |
B. | instruction |
C. | address |
D. | memory |
Answer» A. conditions |
34. |
The LES copies to words from memory to register and __________ |
A. | ds |
B. | cs |
C. | es |
D. | ds |
Answer» C. es |
35. |
The _________ translates a byte from one code to another code |
A. | xlat |
B. | xchng |
C. | pop |
D. | push |
Answer» A. xlat |
36. |
The _______ contains an offset instead of actual address |
A. | sp |
B. | ip |
C. | es |
D. | ss |
Answer» B. ip |
37. |
The 8086 fetches instruction one after another from __________ of memory |
A. | code segment |
B. | ip |
C. | es |
D. | ss |
Answer» A. code segment |
38. |
The BIU contains FIFO register of size 6 bytes called _____. |
A. | queue |
B. | stack |
C. | segment |
D. | register |
Answer» A. queue |
39. |
Signal |
A. | ur signal |
B. | vcc |
C. | aie |
D. | ground |
Answer» A. ur signal |
40. |
The pin of minimum mode AD0-AD15 has ____________ address |
A. | 16 bit |
B. | 20 bit |
C. | 32 bit |
D. | 4 bit |
Answer» B. 20 bit |
41. |
The pin of minimum mode AD0- AD15 has _________ data bus |
A. | 4 bit |
B. | 20 bit |
C. | 16 bit |
D. | 32 bit |
Answer» C. 16 bit |
42. |
The address bits are sent out on lines through __________ |
A. | a16-19 |
B. | a0-17 |
C. | d0-d17 |
D. | c0-c17 |
Answer» A. a16-19 |
43. |
________ is used to write into memory |
A. | rd |
B. | wr |
C. | rd / wr |
D. | clk |
Answer» B. wr |
44. |
The functions of Pins from 24 to 31 depend on the mode in which _______ is operating |
A. | 8085 |
B. | 8086 |
C. | 80835 |
D. | 80845 |
Answer» B. 8086 |
45. |
The RD, WR, M/IO is the heart of control for a __________ mode |
A. | minimum |
B. | maximum |
C. | compatibility mode |
D. | control mode |
Answer» A. minimum |
46. |
In a minimum mode there is a ___________ on the system bus |
A. | single |
B. | double |
C. | multiple |
D. | triple |
Answer» A. single |
47. |
If MN/MX is low the 8086 operates in __________ mode |
A. | minimum |
B. | maximum |
C. | both (a) and (b) |
D. | medium |
Answer» B. maximum |
48. |
In max mode, control bus signal So,S1 and S2 are sent out in ____________ form |
A. | decoded |
B. | encoded |
C. | shared |
D. | unshared |
Answer» B. encoded |
49. |
The ___ bus controller device decodes the signals to produce the control bus signal |
A. | internal |
B. | data |
C. | external |
D. | address |
Answer» C. external |
50. |
interrupted program |
A. | forward |
B. | return |
C. | data |
D. | line |
Answer» B. return |
51. |
The main concerns of the ___________ are to define a flexible set of commands |
A. | memory interface |
B. | peripheral interface |
C. | both (a) and (b) |
D. | control interface |
Answer» A. memory interface |
52. |
and write into register |
A. | multiprocessor |
B. | microprocessor |
C. | dual processor |
D. | coprocessor |
Answer» B. microprocessor |
53. |
To perform any operations, the Mp should identify the __________ |
A. | register |
B. | memory |
C. | interface |
D. | system |
Answer» A. register |
54. |
The Microprocessor places __________ address on the address bus |
A. | 4 bit |
B. | 8 bit |
C. | 16 bit |
D. | 32 bit |
Answer» C. 16 bit |
55. |
register should be selected |
A. | address |
B. | one |
C. | two |
D. | three |
Answer» B. one |
56. |
The ________of the memory chip will identify and select the register for the EPROM |
A. | internal decoder |
B. | external decoder |
C. | address decoder |
D. | data decoder |
Answer» A. internal decoder |
57. |
Microprocessor provides signal like ____ to indicate the read operatio |
A. | low |
B. | mcmw |
C. | mcmr |
D. | mcmwr |
Answer» C. mcmr |
58. |
must be added to address lines of the _______ chip. |
A. | single |
B. | memory |
C. | multiple |
D. | triple |
Answer» B. memory |
59. |
The remaining address line of ______ bus is decoded to generate chip select signal |
A. | data |
B. | address |
C. | control bus |
D. | both (a) and (b) |
Answer» B. address |
60. |
_______ signal is generated by combining RD and WR signals with IO/M |
A. | control |
B. | memory |
C. | register |
D. | system |
Answer» A. control |
61. |
Memory is an integral part of a _______ system |
A. | supercomputer |
B. | microcomputer |
C. | mini computer |
D. | mainframe computer |
Answer» B. microcomputer |
62. |
_____ has certain signal requirements write into and read from its registers |
A. | memory |
B. | register |
C. | both (a) and (b) |
D. | control |
Answer» A. memory |
63. |
An _________ is used to fetch one address |
A. | internal decoder |
B. | external decoder |
C. | encoder |
D. | register |
Answer» A. internal decoder |
64. |
The primary function of the _____________ is to accept data from I/P devices |
A. | multiprocessor |
B. | microprocessor |
C. | peripherals |
D. | interfaces |
Answer» B. microprocessor |
65. |
___________ signal prevent the microprocessor from reading the same data more than one |
A. | pipelining |
B. | handshaking |
C. | controlling |
D. | signaling |
Answer» B. handshaking |
66. |
Bits in IRR interrupt are ______ |
A. | reset |
B. | set |
C. | stop |
D. | start |
Answer» B. set |
67. |
__________ generate interrupt signal to microprocessor and receive acknowledge |
A. | priority resolver |
B. | control logic |
C. | interrupt request register |
D. | interrupt register |
Answer» B. control logic |
68. |
The _______ pin is used to select direct command word |
A. | a0 |
B. | d7-d6 |
C. | a12 |
D. | ad7-ad6 |
Answer» A. a0 |
69. |
The _______ is used to connect more microprocessor |
A. | peripheral device |
B. | cascade |
C. | i/o devices |
D. | control unit |
Answer» B. cascade |
70. |
CS connect the output of ______ |
A. | encoder |
B. | decoder |
C. | slave program |
D. | buffer |
Answer» B. decoder |
71. |
In which year, 8086 was introduced? |
A. | 1978 |
B. | 1979 |
C. | 1977 |
D. | 1981 |
Answer» A. 1978 |
72. |
Expansion for HMOS technology_______ |
A. | high level mode oxygen semiconductor |
B. | high level metal oxygen semiconductor |
C. | high performance medium oxide semiconductor |
D. | high performance metal oxide semiconductor |
Answer» D. high performance metal oxide semiconductor |
73. |
8086 and 8088 contains _______ transistors |
A. | 29000 |
B. | 24000 |
C. | 34000 |
D. | 54000 |
Answer» A. 29000 |
74. |
ALE stands for ___________ |
A. | address latch enable |
B. | address level enable |
C. | address leak enable |
D. | address leak extension |
Answer» A. address latch enable |
75. |
What is DEN? |
A. | direct enable |
B. | data entered |
C. | data enable |
D. | data encoding |
Answer» C. data enable |
76. |
In 8086, Example for Non maskable interrupts are ________. |
A. | trap |
B. | rst6.5 |
C. | intr |
D. | rst6.6 |
Answer» A. trap |
77. |
In 8086 the overflow flag is set when _____________. |
A. | the sum is more than 16 bits. |
B. | signed numbers go out of their range after an arithmetic operation. |
C. | carry and sign flags are set. |
D. | subtraction |
Answer» B. signed numbers go out of their range after an arithmetic operation. |
78. |
In 8086 microprocessor the following has the highest priority among all type interrupts? |
A. | nmi |
B. | div 0 |
C. | type 255 |
D. | over flow |
Answer» A. nmi |
79. |
In 8086 microprocessor one of the following statements is not true? |
A. | coprocessor is interfaced in max mode. |
B. | coprocessor is interfaced in min mode. |
C. | i /o can be interfaced in max / min mode. |
D. | supports pipelining |
Answer» B. coprocessor is interfaced in min mode. |
80. |
Address line for TRAP is? |
A. | 0023h |
B. | 0024h |
C. | 0033h |
D. | 0099h |
Answer» B. 0024h |
81. |
Access time is faster for _________. |
A. | rom |
B. | sram |
C. | dram |
D. | eram |
Answer» B. sram |
82. |
The First Microprocessor was__________. |
A. | intel 4004 |
B. | 8080 |
C. | 8085 |
D. | 4008 |
Answer» A. intel 4004 |
83. |
Status register is also called as ___________. |
A. | accumulator |
B. | stack |
C. | counter |
D. | flags |
Answer» D. flags |
84. |
Which of the following is not a basic element within the microprocessor? |
A. | microcontroller |
B. | arithmetic logic unit (alu) |
C. | register array |
D. | control unit |
Answer» A. microcontroller |
85. |
Which method bypasses the CPU for certain types of data transfer? |
A. | software interrupts |
B. | interrupt-driven i/o |
C. | polled i/o |
D. | direct memory access (dma) |
Answer» D. direct memory access (dma) |
86. |
The first microprocessor had a(n)________. |
A. | 1 – bit data bus |
B. | 2 – bit data bus |
C. | 4 – bit data bus |
D. | 8 – bit data bus |
Answer» C. 4 – bit data bus |
87. |
Which microprocessor has multiplexed data and address lines? |
A. | 8086 |
B. | 80286 |
C. | 80386 |
D. | pentium |
Answer» A. 8086 |
88. |
Which is not an operand? |
A. | variable |
B. | register |
C. | memory location |
D. | assembler |
Answer» D. assembler |
89. |
A 20-bit address bus can locate ________. |
A. | 1,048,576 locations |
B. | 2,097,152 locations |
C. | 4,194,304 locations |
D. | 8,388,608 locations |
Answer» A. 1,048,576 locations |
90. |
Which of the following is not an arithmetic instruction? |
A. | inc (increment) |
B. | cmp (compare) |
C. | dec (decrement) |
D. | rol (rotate left) |
Answer» D. rol (rotate left) |
91. |
During a read operation the CPU fetches ________. |
A. | a program instruction |
B. | another address |
C. | data itself |
D. | all of the above |
Answer» D. all of the above |
92. |
Which of the following is not an 8086/8088 general-purpose register? |
A. | code segment (cs) |
B. | data segment (ds) |
C. | stack segment (ss) |
D. | address segment (as) |
Answer» D. address segment (as) |
93. |
A 20-bit address bus allows access to a memory of capacity |
A. | 1 mb |
B. | 2 mb |
C. | 4 mb |
D. | 8 mb |
Answer» A. 1 mb |
94. |
Which microprocessor accepts the program written for 8086 without any changes? |
A. | 8085 |
B. | 8086 |
C. | 8087 |
D. | 8088 |
Answer» D. 8088 |
95. |
Which group of instructions do not affect the flags? |
A. | arithmetic operations |
B. | logic operations |
C. | data transfer operations |
D. | branch operations |
Answer» C. data transfer operations |
96. |
The result of MOV AL, 65 is to store |
A. | store 0100 0010 in al |
B. | store 42h in al |
C. | store 40h in al |
D. | store 0100 0001 in al |
Answer» D. store 0100 0001 in al |
97. |
Which is not part of the execution unit (EU)? |
A. | arithmetic logic unit (alu) |
B. | clock |
C. | general registers |
D. | flags |
Answer» B. clock |
98. |
A microprocessor is a chip integrating all the functions of a CPU of a computer. |
A. | multiple |
B. | single |
C. | double |
D. | triple |
Answer» B. single |
99. |
Microprocessor is a/an circuit that functions as the CPU of the compute |
A. | electronic |
B. | mechanic |
C. | integrating |
D. | processing |
Answer» A. electronic |
100. |
Microprocessor is the of the computer and it perform all the computational tasks |
A. | main |
B. | heart |
C. | important |
D. | simple |
Answer» B. heart |
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