An example of a MIPS unconditional branch instruction is_
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An example of a MIPS unconditional branch instruction is________.
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- A(n) ________________ instruction always alters the instruction execution sequence. A(n) ______________ instruction alters the instruction execution sequence only if a specified Condition is true.How does pipelining improve CPU efficiency? What’s the potential effect on pipelining’s efficiency when executing a conditional BRANCH instruction? What techniques can be used to make pipelining more efficient when executing conditional BRANCH instructions?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?
- Processor R is a 64-bit RISC processor with a 2 GHz clock rate. The average instruction requires one cycle to complete, assuming zero wait state memory accesses. Processor C is a CISC processor with a 1.8 GHz clock rate. The average simple instruction requires one cycle to complete, assuming zero wait state memory accesses. The average complex instruction requires two cycles to complete, assuming zero wait state memory accesses. Processor R can’t directly implement the complex processing instructions of Processor C. Executing an equivalent set of simple instructions requires an average of three cycles to complete, assuming zero wait state memory accesses. Program S contains nothing but simple instructions. Program C executes 70% simple instructions and 30% complex instructions. Which processor will execute program S more quickly? Which processor will execute program C more quickly? At what percentage of complex instructions will the performance of the two processors be equal?The code segment has a value of 0ACFH with 0123H in the instruction pointer what physical address will be placed on the address bus to fetch the next instruction ? a- 0AE13H b- 04E13H c- 1242FH d- 50113H e- None of the aboveFor a MIPS lw instruction, ALU needs to perform _______. a) addition b) subtraction c) multiplication d) division
- Carider the data path below for a single cyde 32-bits MIPS processor Amume that we are ecuing the folowing instruction ADD $2, S3, Suo What is the value of the element pointed by awrow number 1 by in hexadecimal? Note that the PC and the content of registers SID and S1 are found in bottom left of the fgre below Address Content OK000016EC ON0000ABOD Data Memory OX000016FO ON0OA01245 OX000016F4 Ox00001A42 MentaFlagy Conte Ox000171C ON00OB124F Ox0001720 Ox00021345 Fead Ox0001724 OX000067AB ALU Ox0001734 OX0000AB35 meory Ox0001738 ONO000FA72 Ox000174C ON0000ABOC $s0 = OX0000AFO0 $s2 = OX00000OBA $s3 = Ox00000001 Register File and PC PC = OX000FAC04 (Before executing ADD) li li______ is an example of MIPS unconditional branch instruction.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.
- Homework Q1\ Suppose 8086 microprocessor perform the following task: ADD AX, 3FF2H Where the value of AX is 1D56H and ADD is opcode for addition (summation) Draw the flag register and calculate the values of status flags?124 An AVR JMP instruction is stored in _____ bytes of on-chip program ROM. An AVR RJMP instruction is stored in _____ bytes of on-chip program ROM. After the execution of the OUT DDRC , 0xED instruction, which pins of PORT C are inputs?Yes Is next No instruction MAR E PC No memory IBR2 access required MBR + MOMAR Yes BR E MERN9) IR E MBR(0:7) MAR E MBR(8:19) |No Left IR E IBR (0:7) MAR E IBR (8:19) IR E MBR(20.27) MAR + MBR(28:39) instruction eguireg PC + PC+1 Memor Left instruction Right instruction y location LOAD M(300) SUB M(301) LOAD MQ , M(302) STOR M(303) STOR M(304) 100 101 STOR M(305) MULT M(305) LOAD MQ 102 103 104 HALT 300 301 302 303 304 305 Suppose you start your program from Memory location 100, and we execute the instruction with program counter is 103. What is the content of IBR? FETCH CYCLE