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.Customized ROMS are called:
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Question 2 of 30
Q-2.Which RAM is created using MOS transistors:
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Question 3 of 30
Q-3.In Microprocessor one of the operands holds a special register called:
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Question 4 of 30
Q-4.What will be the contents of register AL after the following has been executed MOV BL, 8C
MOV AL, 7E
ADD AL, BL
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Question 5 of 30
Q-5.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 6 of 30
Q-6.________ is usually the first level of memory access by the microprocessor
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Question 7 of 30
Q-7.To locate a data item for storage is
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Question 8 of 30
Q-8.Which bus transfer singles from the CPU to external device and others that carry singles from external device to the CPU:
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Question 9 of 30
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Question 10 of 30
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Question 11 of 30
Q-11.In 80186, the timer which connects to the system clock is
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Question 12 of 30
Q-12.The ALU of a computer normally contains a number of high speed storage element called
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Question 13 of 30
Q-13.A 16 bit address bus can generate___ addresses:
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Question 14 of 30
Q-14.Which company is the biggest player in the microprocessor industry?
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Question 15 of 30
Q-15.________ is usually the first level of memory access by the microprocessor:
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Question 16 of 30
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Question 17 of 30
Q-17.LOCK prefix is used most often
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Question 18 of 30
Q-18.Which of the following are the two main components of the CPU?
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Question 19 of 30
Q-19.The instructions for starting the computer are house on
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Question 20 of 30
Q-20.Which stack is used in 8085?
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Question 21 of 30
Q-21.What is the store by register?
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Question 22 of 30
Q-22.In a DMA write operation the data is transferred
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Question 23 of 30
Q-23.The offset of a particular segment varies from _________
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Question 24 of 30
Q-24.Which microprocessor pins are used to request and acknowledge a DMA transfer?
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Question 25 of 30
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Question 26 of 30
Q-26.The CPU sends out a ____ signal to indicate that valid data is available on the data bus:
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Question 27 of 30
Q-27.In which register instruction is decoded prepared and ultimately executed:
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Question 28 of 30
Q-28.The size of each segment in 8086 is
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Question 29 of 30
Q-29.The time required to refresh a typical DRAM is
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Question 30 of 30
Q-30.The _______ address of a memory is a 20 bit address for the 8086 microprocessor:
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