Systems Architecture
7th Edition
ISBN: 9781305080195
Author: Stephen D. Burd
Publisher: Cengage Learning
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Chapter 4, Problem 12VE
Program Description Answer
“Instruction pointer” stores the address of the next instruction that has to be fetched by the CPU.
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The LEA instruction computes the effective address of the
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a
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[Choose ]
b
destination
source operand
_a____________
The _______________ is a register that holds the address of the next instruction to be executed.
STC instruction belongs to _____.
a.
Direct I/O addressing
b.
Immediate addressing
c.
Implied Addressing
d.
Direct Addressing
Chapter 4 Solutions
Systems Architecture
Ch. 4 - Prob. 1VECh. 4 - ________________ generates heat in electrical...Ch. 4 - Prob. 3VECh. 4 - Prob. 4VECh. 4 - Prob. 5VECh. 4 - One _________________ is one cycle per second.
Ch. 4 - Prob. 7VECh. 4 - When an instruction is first fetched from memory,...Ch. 4 - Prob. 9VECh. 4 - Prob. 10VE
Ch. 4 - Prob. 11VECh. 4 - Prob. 12VECh. 4 - The contents of a memory location are copied to a...Ch. 4 - Prob. 14VECh. 4 - A(n) ________________ instruction always alters...Ch. 4 - Prob. 16VECh. 4 - A(n) ____________________ instruction copies data...Ch. 4 - The CPU incurs one or more _________________ when...Ch. 4 - The CPU incurs one or more _____ when its idle,...Ch. 4 - In many CPUs, a register called the _____ stores...Ch. 4 - The components of an instruction are its _____ and...Ch. 4 - Two 1-bit values generate a 1 result value when...Ch. 4 - A(n) _____ operation transforms a 0 bit value to 1...Ch. 4 - _____ predicts that transistor density will double...Ch. 4 - A(n) _____ is a measure of CPU or computer system...Ch. 4 - _____ is a CPU design technique in which...Ch. 4 - Describe the operation of a MOVE instruction. Why...Ch. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQCh. 4 - Prob. 5RQCh. 4 - Prob. 7RQCh. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - How does pipelining improve CPU efficiency? What’s...Ch. 4 - Prob. 11RQCh. 4 - Develop a program consisting of primitive CPU...Ch. 4 - If a microprocessor has a cycle time of 0.5...Ch. 4 - Processor R is a 64-bit RISC processor with a 2...Ch. 4 - Prob. 4PECh. 4 - Prob. 1RPCh. 4 - Prob. 2RPCh. 4 - Prob. 3RP
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- _____ is a CPU design technique in which instruction execution is divided into multiple stages and different instructions can execute in different stages simultaneously.arrow_forwardIn ____________, the address of the operand is specified in the instruction. a. Stack Addressing b. Register Addressing c. Immediate Addressing d. Direct Addressingarrow_forwardGiven the structure of the CPU in the references section provide the control signals that implements the following instruction. SUB r3, r2, r1arrow_forward
- CPU Datapath The following figure shows the overall datapath of the simple 5-stage CPU we have learned. Instruction Instr. Decode : Reg. Fetch Execute Addr. Calc Memory Access Write Вack Fetch Next SEQ PC Next SEQ PC Next PC RS1 RS2 MUX3 ZERO? MUXI MUX4 Imm MUX2 Given a memory load instruction, "mov RO; [R1+1000]," please give the input that should be selected at each multiplexer. You can write "none" for the multiplexers that are not used for this instruction. (а) MUX1: (b) MUX2: (c) MUX3: (d) MUX4: WB Data MUX MEM / WB Mamon MUX EX/MEM ALU MUX MUX ID/EX Sign Reg File Extend IF/ ID Adder Memory Addressarrow_forwardIn ____________, the operand is provided as part of the instruction. a. Register Addressing b. Immediate Addressing c. Direct Addressing d. Stack Addressingarrow_forward8). The addressing mode of the operand address in the register is called _______ addressing.arrow_forward
- When the INT instruction executes, what is the first task carried out by the CPU?arrow_forward4. Consider the following instruction: and $t0, $e5, $3 a. What are the values of the control signals generated by the control unit for the above instruction? RegDst Jump Branch MemRead MemtoReg MemWrite ALUSrc RegWritearrow_forwardMicroprocessorarrow_forward
- a. Response time b. Throughput c. Execution Time 2. The register that hold the address of the current instruction being executed is called a. Saved register b. Global pointer c. Stack pointer used to identify the d. Clock Rate d. Program counterarrow_forwardThe most time - consuming operation in a computer is: O A. Register access O B. The execution phase of a register reference instruction Memory access. O D. The decoding phase of an instruction cyclearrow_forwardAfter the instruction Idr ro, [r1] is executed, what is the content of ro? O A. The 8-bit value located at the memory address stored in r1 B. The memory address where r1 is stored O C. The 32-bit value located at the memory address stored in r1 O D. A copy of r1arrow_forward
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