Microprocessor And Interfacing Technique Set 3
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This set of Microprocessor and Interfacing Technique Multiple Choice Questions & Answers (MCQs) focuses on Microprocessor And Interfacing Technique Set 3
Q1 | Which of the following register is used in the control unit of the CPU to indicate the next instruction which is to be executed ?
- accumulator
- index register
- instruction decoder
- program counter
Q2 | Which of the following is not typically found in the status register of a micro processor ?
- overlow
- zero result
- negative result
- none of the above
Q3 | The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is called
- index register
- memory address register
- program counter
- instruction register
Q4 | Which of the following register holds the information before going to the memory ?
- control register
- data register
- accumulator
- address register
Q5 | Which of the following register is used in the control unit of the CPU to indicate the next instruction which is to be executed
- accumulator
- index register
- instruction decoder
- program counter
Q6 | In 8086 the following has the higest priority among all the interrupts
- nmi
- div o
- type 255
- over flow
Q7 | A set of register which contain
- data
- memoryaddresses
- result
- all of these
Q8 | PC stands for:
- program counter
- points counter
- paragraph counter
- paint counter
Q9 | SP stands for:
- status pointer
- stack pointer
- a and b
- none of these
Q10 | Causing a flag to became 0 is called:
- clearing a flag
- case a flag
- both a and b
- none of these
Q11 | Which are the flags of status register:
- over flow flag
- carry flag/ interrupt flag
- zero flag
- all of these
Q12 | executed:
- instruction register
- register
- both a and b
- none of these
Q13 | The subprogram finish the return instruction recovers the return address from the:
- stack
- queue
- accumulator
- data register
Q14 | The processor uses the stack to keep track of where the items are stored on it this by using the:
- stack pointer register
- queue pointer register
- both a & b
- none ofthese
Q15 | Stack words on:
- lilo
- lifo
- fifo
- none ofthese
Q16 | Which is the basic stack operation:
- push
- pop
- both a and b
- none of these
Q17 | SP stand for:
- stack pointer
- stack pop
- stack push
- none of these
Q18 | How many bit stored by status register:
- 1 bit
- 2 bit
- 3 bit
- 4 bit
Q19 | The structure of the stack is type structure:
- first in last out
- last in last out
- both a & b
- none of these
Q20 | The 16 bit register is separated into groups of 4 bit where each groups is called:
- bcd
- nibble
- half byte
- none of these
Q21 | A 16 bit address bus can generate addresses:
- 32767
- 25652
- 65536
- none of these
Q22 | The processor 80386/80486 and the Pentium processor uses bits address bus:
- 16
- 32
- 36
- 64
Q23 | CPU can read & write data by using :
- control bus
- data bus
- address bus
- none of these
Q24 | Which bus transfer singles from the CPU to external device and others that carry singles from external device to th
- control bus
- data bus
- address bus
- none of these
Q25 | Using 12 binary digits how many unique house addresses would be possible:
- 28=256
- 212=4096
- 216=65536
- none of these