1.2.4 introduction to programming

Question 1

what are the four modes of memory addressing

Answer 1

Immediate
direct
indirect
index

Question 2

what is the opcode of the binary value stored in RAM

Answer 2

the instruction

Question 3

what is the operand of the binary value stored in RAM

Answer 3

The data

Question 4

what is the operand in the address in MAR when using immediate addressing

Answer 4

the data being fetched

Question 5

what is the operand in the address in MAR when using direct addressing

Answer 5

the address of the data stored in RAM

Question 6

what is the operand in the address in MAR when using indirect

Answer 6

the address in RAM which stores the address of the data being fetched

Question 7

what is the operand in the address in MAR when using index addressing

Answer 7

the operand is the offset

Question 8

where is the base address stored in indexed addressing

Answer 8

in the base register

Question 9

when is indirect addressing used in practice

Answer 9

when a program uses libraries which are loaded in

Question 10

how does the loader make use of modes of addressing memory when dynamic Linkin had been used

Answer 10

a block of memory called a vector table which stores the addresses of the all the subroutines stored in memory