Digital Circuit and Microprocessor MCQs
Practice free Digital Circuit and Microprocessor multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 363 questions — no login required.
Question 334easy
An Intel 8085 processor is executing the program given below. MVI A, 10H BACK: MVI B, 10H NOP ADD B RLC JNC BACK HLT The number of times that the operation NOP will be executed isequal to
Question 335easy
When a program is being executed in an 8085 microprocessor, its Program Counter contains
Question 336easy
A memory system has a total of 8 memory chips, each with 12 address lines and 4 data lines. The total size of the memory system is
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Question 337easy
The following program is written for an 8085 microprocessor to add two bytes located at memory addresses 1FFE and 1FFF LXIH,1FFE MOV B,M 1NR MOV A,M ADD INR MOV M,A XOR A On completion of the execution of the program, the result of addition is found
Question 338easy
The contents of stack location 2109 Hafter the call operation will be
Question 339easy
The contents of stack location 2108H after the call operation will be
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Question 340easy
The contents of the program counter after the call operation will be
Question 341easy
A master-slave flip-flop has the characteristic that
Question 342easy
The range of signed decimal numbers that can be represented by 6-bite l's complement number is