Electronic Engineering McqsMicroprocessor 100+ MCQ & Answer Microprocessor | page-10 |Computer Engineering MCQ And Answer January 27, 2025 DSN MARATHI 91. Which is not an operand? A. Variable B. Register C. Memory location D. Assembler Answer Option : D 92. Which is not part of the execution unit (EU)? A. Arithmetic logic unit (ALU) B. Clock C. General registers D. Flags Answer Option : B 93. A 20-bit address bus can locate _____ A. 1,048,576 locations B. 4,194,304 locations C. 2,097,152 locations D. 8,388,608 locations Answer Option : A 94. Which of the following is not an arithmetic instruction? A. INC (increment B. CMP (compare) C. DEC (decrement) D. ROL (rotate left) Answer Option : D 95. During a read operation the CPU fetches A. a program instruction B. another address C. data itself D. all of the above Answer Option : D 96. 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 Option : D 97. 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 Option : A 98. Which microprocessor accepts the program written for 8086 without any changes? A. 8085 B. 8086 C. 8087 D. 8088 Answer Option : D 99. Which group of instructions do not affect the flags? A. Arithmetic operations B. Logic operations C. Data transfer operations D. Branch operations Answer Option : C 100. 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 Option : D
91. Which is not an operand? A. Variable B. Register C. Memory location D. Assembler Answer Option : D
92. Which is not part of the execution unit (EU)? A. Arithmetic logic unit (ALU) B. Clock C. General registers D. Flags Answer Option : B
93. A 20-bit address bus can locate _____ A. 1,048,576 locations B. 4,194,304 locations C. 2,097,152 locations D. 8,388,608 locations Answer Option : A
94. Which of the following is not an arithmetic instruction? A. INC (increment B. CMP (compare) C. DEC (decrement) D. ROL (rotate left) Answer Option : D
95. During a read operation the CPU fetches A. a program instruction B. another address C. data itself D. all of the above Answer Option : D
96. 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 Option : D
97. 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 Option : A
98. Which microprocessor accepts the program written for 8086 without any changes? A. 8085 B. 8086 C. 8087 D. 8088 Answer Option : D
99. Which group of instructions do not affect the flags? A. Arithmetic operations B. Logic operations C. Data transfer operations D. Branch operations Answer Option : C
100. 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 Option : D
