The ALU does not calculate which of the following statements
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The ALU does not calculate which of the following statements?
A selection of which register to read or write from |
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An arithmetic result |
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A memory address for load/store |
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A branch target address |
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- The contents of a memory location are copied to a register while performing a(n) __________________ operation.24. Table of pointers for interrupt to be executed contains the a. interrupts b. programs c. addresses d. compilersMemory addressing mode means _____. a. the address of the data for the instruction is stored in memory. b. the data for the instruction is stored in memory. c. the data for the instruction is stored in the MAR.
- 2. Assume that these registers contain the following: A=F0,B=55, and R1-90. Perform the following operations. Indicate the result and the register where it is stored. a) ANL A,#45H b) XRL A,R1 c) ORL A,#99HLoad word instruction is a memory write operation. Select one: a)True b)False* data can be directly loaded from address into register using direct addressing mode O register addressing mode O indirect addressing mode O immdiate addressing mode O
- Register Transfer Notation: Enter the "ADD E" execution cycle.Specify the type of data transfer. Write invalid if the instruction is not allowed in the assembly language operation. Assume data1 db 10 and data2 db 20. (Example: MOV AX,CX Answer: Register to Register ) MOV data2,DS MOV [DI],BX MOV AL,BLHomework (2): Arithmetic Instructions 1) Write simple instructions (simple program) that will add two consecutive bytes of data storied with offset locations NUM and NUM+1, store the result into the memory location NUM+2, using both: a- Direct addressing mode b- Indirect addressing mode or any mode
- JP label instruction belongs to _____. a. Register addressing b. Direct addressing c. Relative addressing d. Register Indirect addressingThe time taken to access registers is less than the time taken to access memory. True False* data can be directly copied into register using direct addressing mode O register addressing mode O immediate addressing mode O indirect addressing mode O