Objective Questions: 


Q.1. The size of each segment in 8086 is 

a) 64 kb

 b) 24 kb 

c) 50 kb 

 d) 16kb 

Q.2. The _______ address of a memory is a 20-bit address for the 8086 microprocessors 

a) Physical     b) Logical       c) Both               d) None of these

 Q.3. The pin configuration of 8086 is available in the________

 a) 40 pin             b) 50 pin      c) 30 pin       d) 20 pin 

Q.4. BP stand for   

 a) Bit pointer              b) Base pointer 

c)Bus pointer          d) Byte pointer 

Q.5. The processor uses the stack to keep track of where the items are stored on it this by using the

 a) Stack pointer register          b) Queue pointer register 

c) Both a & b          d) None of these

 Q.6. How many type of addressing in memory 

a) Logical address            b) Physical address 

c) Both A and B            d) None of these 53 Sunbeam Infotech 

Q.7. The physical address of memory is 

a) 20-bit              b) 16-bit

 c) 32-bit             d) 64-bit 

Q.8. AH stand for   

 a) Accumulator high          b) Address high 

c) Appropriate high         d) Application high 

Q.9. The Intel 8086 microprocessor is a _______ processor 

a) 8-bit             b) 16-bit 

c) 32-bit        d) 4-bit 

Q.10. 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

 Q.11. The BIU prefetches the instruction from memory and store them in ________ 

a) queue                   b) register 

c) memory             d) stack

 Q.12. The BIU contains FIFO register of size __________ bytes

 a) 8           b) 6 

c) 4             d) 12

 Q.13. 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 

Q.14. In 8086 the overflow flag is set when _____________. 

a) the sum is more than 16 bits.

 b) signed numbers go out of their range after an arithmetic operation. 

c) carry and sign flags are set. 

d) subtraction

 Q.15. A 20-bit address bus can locate ________. 

a) 1,048,576 locations         b) 2,097,152 locations 

c) 4,194,304 locations         d) 65536 locations

ANSWER:-

1.D     2. A       3.A    4. B    5. A     6. C    7. A

8.A      9.B      10. A       11. A    12.B   13. B    14. A     15.A