With each visit of this Microprocessor online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
Q-1.LOCK prefix is used most often
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Question 2 of 30
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Question 3 of 30
Q-3.A certain SRAM has CS = 0 , WE = 0 and OE = 1. In which of the following
modes this SRAM is operating
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Question 4 of 30
Q-4.The ALU of a computer normally contains a number of high speed storage element called
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Question 5 of 30
Q-5.Which type of JMP instruction assembles if the distance is 0020 h bytes
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Question 6 of 30
Q-6.Secondary memory is also called____:
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Question 7 of 30
Q-7.In a DMA write operation the data is transferred
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Question 8 of 30
Q-8.Which of the following is true with respect to EEPROM?
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Question 9 of 30
Q-9.If a 1M ×1 DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no
more than __________ of time must pass before another row is refreshed.
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Question 10 of 30
Q-10.The act of acquiring an instruction is referred as the____ the instruction:
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Question 11 of 30
Q-11.A set of register which contain are:
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Question 12 of 30
Q-12.Each memory location has:
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Question 13 of 30
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Question 14 of 30
Q-14.Which type of RAM needs regular referred:
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Question 15 of 30
Q-15.Which pins are general purpose I/O pins during mode-2 operation of the 82C55?
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Question 16 of 30
Q-16.The _______ address of a memory is a 20 bit address for the 8086 microprocessor
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Question 17 of 30
Q-17.The size of each segment in 8086 is
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Question 18 of 30
Q-18.In which register instruction is decoded prepared and ultimately executed:
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Question 19 of 30
Q-19.The lower red curvy arrow show that CPU places the address extracted from the memory location on the_____:
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Question 20 of 30
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Question 21 of 30
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Question 22 of 30
Q-22.Pseudo instructions are basically
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Question 23 of 30
Q-23.These are two ways in which a microprocessor can come out of Halt state.
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Question 24 of 30
Q-24.A 16 bit address bus can generate___ addresses:
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Question 25 of 30
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Question 26 of 30
Q-26.In 80186, the timer which connects to the system clock is
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Question 27 of 30
Q-27.To locate a data item for storage is
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Question 28 of 30
Q-28.Which RAM is created using MOS transistors:
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Question 29 of 30
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Question 30 of 30
Q-30.In which form CPU provide output:
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