C- Memory Map Question and Answer
C- Memory Map Question and Answer
81. A compiler is
- A fast interpreter
- slower than an interpreter
- Converts a program to machine code
- None of the previous
82. An interpreter is
- Faster than a compiler
- Translate and executes programs statement by statement
- Converts a program to machine code
- None of the previous
84. Givent hat the subprogram putc displays the character in a1, the effect of the following instruments is to
mov a1, 'c'
sub a1, 2
call putc
mov a1, 'c'
sub a1, 2
call putc
- Display 2
- Display 'c'
- display 'a'
- Display a blank
85. which o the following is an illegal 8086 instruction ?
- mov 20, x
- inc A1
- and bx, bx
- add ax, 30
86. The memory address register is used to store
- Data to be transferred to memory
- Data that has been transferred from memory
- The index of the memory location
- An instruction that has been transferred from memory.
87. The memory data register is used to store
- Data to be transferred to or from memory
- Data to be transferred to the stack
- the adress of a memory location
- An instruction that has been transferred from memory
88. The memory data register is used to store
- Data to be transferred to or from memory
- Data to be transferred to the stack
- the adress of a memory location
- An instruction that has been transferred from memory
89. the read/write line is
- Belongs to the data bus
- Belongs to the control bus
- Belongs to the address bus
- CPU bus
90. The program counter
- stores the address of the instruction that is currently being executed
- Stores the next instruction to be executed
- Stores the address of the next instruction to be executed
- Stores the instruction that is being currently executed.