McqMate
| 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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