Microprocessor MCQ



Question 31 : The procedure defined as ‘FAR’ procedure is associated with how many bytes of starting address?

  1. 4
  2. 6
  3. 8
  4. 16
    

Question 32 : Which of the following is a class of architecture of MII (multiple instruction issue) in Pentium?

  1. super pipelined architecture
  2. multiple instruction issue
  3. very small instruction word architecture
  4. super scalar architecture
    

Question 33 : How many bits logical address is supported by 80386?

  1. 32
  2. 20
  3. 64
  4. 48
    

Question 34 : The 80386DX has an address bus of n Address lines?

  1. 8 address lines
  2. 16 address lines
  3. 32 address lines
  4. 64 address lines
    

Question 35 : How many flags are active in flag register of 80386?

  1. 9
  2. 13
  3. 12
  4. 10
    

Question 36 : Select the correct difference between compare and subtract instruction of 8086.

  1. Compare instruction stores the result of comparison
  2. Compare instruction shows result using flags and doesn’t store result
  3. Subtraction doesn’t store result
  4. Subtraction shows result using flags and doesn’t store result
    

Question 37 : How linear address is calculated?

  1. effective address + segment base address
  2. effective address + Physical address
  3. Linear address + offset address
  4. Linear address + physical address
    

Question 38 : Which segment registers and offset registers combinations are true for 8086 processors:

  1. CS-IP; DS-SI; ES-DI; SS-SP
  2. CS-IP; DS-SI; ES-EI; SS-BP
  3. CS-SP; ES-SI; DS-DI; SS-BP
  4. CS-IP; DS-DI; ES-SI; SS-BP
    

Question 39 : The SPARC Processor consists of ___ bits of registers?

  1. 8
  2. 16
  3. 32
  4. 64
    

Question 40 : 80386 support which type of descriptor table from the following?

  1. TDS
  2. ADT
  3. GDT
  4. MDS
    

Question 41 : In PUSH instruction, after each execution of the instruction, the stack pointer is?

  1. incremented by 1
  2. decremented by 1
  3. incremented by 2
  4. decremented by 2
    

Question 42 : Which one of the following is used to check output of every single instruction?

  1. Auxiliary carry
  2. carry flag
  3. overflow flag
  4. Trap flag
    

Question 43 : In SPARC, a register bank comprises of how many registers?

  1. 8
  2. 16
  3. 32
  4. 10
    

Question 44 : The status of the pending interrupts is checked at

  1. the end of main program
  2. the end of each instruction cycle
  3. the end of all the interrupts executed
  4. the beginning of every interrupt
    

Question 45 : Which of the following is an example of an external interrupt?

  1. divide by zero interrupt
  2. overflow interrupt
  3. keyboard interrupt
  4. type2 interrupt
    

Question 46 : Which instruction is used to invert each bit of the destination?

  1. AND
  2. NOR
  3. NOT
  4. OR
    

Question 47 : The speed of integer arithmetic of Pentium is increased to a large extent by?

  1. 4-stage pipelines
  2. superscalar and super pipelined architecture
  3. superscalar architecture
  4. on-chip floating point unit
    

Question 48 : What are the three modules in the SPARC processor?

  1. IU, FPU, CU
  2. SP, DI, SI
  3. AX, BX, CX
  4. CU, CH, CL
    

Question 49 : The mechanism that determines whether a floating point operation will be executed without creating any exception is known as?

  1. Multiple Instruction Issue
  2. Multiple Exception Issue
  3. Safe Instruction Recognition
  4. Safe Exception Recognition
    

Question 50 : Which port is used for the generation of handshake lines in mode 1 or mode 2?

  1. Port B lower
  2. Port B
  3. Port A Upper
  4. Port C
    
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