Microprocessor

What is Microprocessor? A microprocessor is a multipurpose, programmable logic device that reads binary instructions from a storage device called memory accepts binary data as input and processes data according to those instructions and provides result as output. A microprocessor is a computer processor where the data processing logic and control is included on a […]

01. A microprocessor is a _____ chip integrating all the functions of a CPU of a computer A. multiple B. single C. double D. triple Answer Option : B 02. Microprocessor is a/an _____ circuit that functions as the CPU of the computer A. electronic B. mechanic C. integrating D. processing Answer Option : A

11. 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 Option : A 12. The CF is known as _____ A. carry flag B. condition flag C. single

21. The BIU contains FIFO register of size _____ bytes A. 8 B. 6 C. 4 D. 12 Answer Option : B 22. The BIU prefetches the instruction from memory and store them in _____ A. queue B. register C. memory D. stack Answer Option : A 23. The 1 MB byte of memory can

31. _____ destination inverts each bit of destination A. NOT B. NOR C. AND D. OR Answer Option : A 32. The JS is called as _____ A. jump the signed bit B. jump single bit C. jump simple bit D. jump signal it Answer Option : A 33. Instruction providing both segment base and

41. The ____ is required to synchronize the internal operands in the processor CLK Signal A. internal B. data C. external D. address Answer Option : C 42. A ____ Instruction at the end of interrupt service program takes the execution back to the interrupted program A. forward B. return C. data D. line Answer

51. The ____ bus controller device decodes the signals to produce the control bus signal A. internal B. data C. external D. address Answer Option : C 52. The pin of minimum mode AD0-AD15 has ____ address A. 16 bit B. 20 bit C. 32 bit D. 4 bit Answer Option : B 53. The

61. 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 Option : B 62. ______ signal is generated by combining RD and WR signals with IO/M A. control B. memory C. register D. system Answer Option :

71. The ____ is used to connect more microprocessor A. peripheral device B. cascade C. I/O devices D. control unit Answer Option : B 72. CS connect the output of ____ A. encoder B. decoder C. slave program D. buffer Answer Option : B 73. In which year, 8086 was introduced? A. 1978 B. 1979

81. 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 Option : B 82. Address line for TRAP is? A. 0023H B. 0024H C.

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