Assume that two numbers: dividend and divisor are saved in memory address M1 and M2 respectively. Quotient and remainder should be saved in R1 and R2 respectively. Write assembly language instructions and then list microoperations for each instruction and list the control signals required to be activated for each microoperation. MBR is used as buffer for any register to register transfer operation.
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- If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the fetch cycle is 40% of the processor cycle time, what memory access speed is required to implement load operations with zero wait states and load operations with two wait states?Most Intel CPUs use the __________, in which each memory address is represented by two integers._____ is a CPU design technique in which instruction execution is divided into multiple stages and different instructions can execute in different stages simultaneously.
- The time it takes to perform the fetch instruction and decode instruction steps is called the execution time. True or false?6. Assume that two numbers: dividend and divisor are saved in memory address M1 and M2 respectively. Quotient and remainder should be saved in R1 and R2 respectively. Write assembly language instructions and then list microoperations for each instruction and list the control signals required to be activated for each microoperation. MBR is used as buffer for any register to register transfer operation. Signal Description: Control signals operation Comments C0 MAR to RAM (through address bus) C1 PC to MBR C2 PC to MAR C3 MBR to PC C4 MBR to IR C5 RAM to MBR C6 MBR to ALU C7 Accumulator to ALU C8 IR to MAR C9 ALU to Accumulator C10 MBR to Accumulator C11 Accumulator to MBR C12 MBR to RAM (through data bus) C13 IR to Control Unit C14 MBR to R1 C15 MBR to R2 C16 MBR to R3 C17 MBR to R4…Computer Science A computer uses a memory of 64K words with 16 bits in each word.It has the following registers: PC, AR, TR, AC, DR and IRA memory-reference instruction consists of two words: an 16-bit operation-code(one word) and an address field (in the next word).a-List the sequence of microoperations for fetching a memory reference instructionand then placing the operand in DR. Start from timing signal To.b-Design the logic control gates arrangement to perform the fetch instructions.
- 5. The stack memory is addressed by a combination of the segment plus_ offset. 6. The PUSH and POP instructions always transfer -bit number between the stack and a register or memory location in the 8086 microprocessors. 7. For string instructions, DI always addresses data in the segment. 8. The 8086 LOOP instruction decrements register and tests it for a 0 to decide if a jump occurs 9. The last executable instruction in a procedure must be 10.A bus cycle is equal to clocking. periods. 11. If A0 is a logic 0, then the memory bank is selected. 12.the 8086 processor is partitioned into two logical units------------ and C. 13. ------- is the value of the control word register (CWR) of PPI 8255 if all ports are input 14.Fixed address for I/O instructions bytes while Variable address for --- --- ---bytes I/O instructions is 15. Write bus cycle need -clocks to complete one write of data to memoryQuedT: Choose the correct answer: [ Opcode, funct3 and funct7/6 in instruction format are used to identify the: (a) function. (b) instruction. (e) branch. (d) memory address. The register that hold the address of the current instruction being executed is called: (a) saved register. (b) global pointer. (e) stack pointer. (d) program counter. Placing the executable file into the memory for execution by the processor is the role of (a) assembler. (b) linker. (e) loader. (d) compiler. The part which responsible for transmitting the data to/from the processor is: (a) control unit. (b) Datapath. (c) data bus. (d) memory. Parallel hardware cannot be used for faster division because: (a) subtraction is conditional on sign of remainder. (b) multiplication is conditional on sign of remainder. (c) subtraction is conditional on sign of divisor. (d) multiplication is conditional on sign of divisor. we cannot slower the clock cycle to fit the floating-point adder algorithm into one clock cycle…Register R1 (used for indexed addressing mode) contains the value: 0x200 Memory contains the values below (memory address -> contents) : 0x100 -> 0x600 ... 0x400 -> 0x300 ... 0x500 -> 0x100 ... 0x600 -> 0x500 ... 0x700 -> 0x800 When the instruction "Load 0x500" is executed, the value loaded into the AC is when using immediate addressing, it is when using direct addressing, it is when using indirect addressing, and when using indexed addressing.
- On a typical microprocessor, a distinct I/O address is used to refer to the I/O data reg- isters and a distinct address for the control and status registers in an I/O controller for a given device. Such registers are referred to as ports. In the Intel 8088, two I/O in- struction formats are used. In one format, the 8-bit opcode specifies an I/O operation; this is followed by an 8-bit port address. Other I/O opcodes imply that the port ad- dress is in the 16-bit DX register. How many ports can the 8088 address in each I/O addressing mode? .Assume that the instruction pointer, EIP, contains 9810 and the assembly language representation of the instruction in memory at address 9810 is JAE 131. If the flags are currently CF=1, ZF=0 and SF=0 what is the value of the EIP after the instruction executes?Assume that the instruction pointer, EIP, contains 9810 and the assembly language representation of the instruction in memory at address 9810 is JAE 131. If the flags are currently CF=1, ZF=0 and SF=0 what is the value of the EIP after the instruction executes? The answer 102 is not correct so what is the correct answer?