
INTRO.TO COMPUTING SYSTEMS >INTL.ED.<
3rd Edition
ISBN: 9781260565911
Author: PATT
Publisher: MCG
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Chapter 4, Problem 3E
Program Plan Intro
- A program counter is a register in a computer processor that contains instruction’s address that is executed at the current time.
- The program counter increases its stored value by 1, as each instruction gets fetched.
- It is located inside the microprocessor and stores the memory address of next instruction to be executed.
Instruction Pointer
- An instruction register is the part of a Central Processing Unit’s (CPU) control unit that holds the instruction that is to be executed currently.
- The CPU decodes the instruction and then executes it.
- The function of an instruction register is to hold the currently queued instruction for use.
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Specifications: Part-1Part-1: DescriptionIn this part of the lab you will build a single operation ALU. This ALU will implement a bitwise left rotation. Forthis lab assignment you are not allowed to use Digital's Arithmetic components.IF YOU ARE FOUND USING THEM, YOU WILL RECEIVE A ZERO FOR LAB2!The ALU you will be implementing consists of two 4-bit inputs (named inA and inB) and one 4-bit output (named
out). Your ALU must rotate the bits in inA by the amount given by inB (i.e. 0-15).Part-1: User InterfaceYou are provided an interface file lab2_part1.dig; start Part-1 from this file.NOTE: You are not permitted to edit the content inside the dotted lines rectangle.Part-1: ExampleIn the figure above, the input values that we have selected to test are inA = {inA_3, inA_2, inA_1, inA_0} = {0, 1, 0,0} and inB = {inB_3, inB_2, inB_1, inB_0} = {0, 0, 1, 0}. Therefore, we must rotate the bus 0100 bitwise left by00102, or 2 in base 10, to get {0, 0, 0, 1}. Please note that a rotation left is…
Chapter 4 Solutions
INTRO.TO COMPUTING SYSTEMS >INTL.ED.<
Ch. 4 - Prob. 1ECh. 4 - Prob. 2ECh. 4 - What is misleading about the name program counter?...Ch. 4 - Prob. 4ECh. 4 - Prob. 5ECh. 4 - What are the two components of an instruction?...Ch. 4 - Prob. 7ECh. 4 - The FETCH phase of the instruction cycle does two...Ch. 4 - Prob. 10ECh. 4 - State the phases of the instruction cycle, and...
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Instruction Format (With reference to address); Author: ChiragBhalodia;https://www.youtube.com/watch?v=lNdy8HREvgo;License: Standard YouTube License, CC-BY