Briefly describe the function of a decoder. You may use a 2 to 4 decoder to explain the unctionality. What are some situations in which a decoder is used in a digital circuit?
Briefly describe the function of a decoder. You may use a 2 to 4 decoder to explain the unctionality. What are some situations in which a decoder is used in a digital circuit?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:b) Briefly describe the function of a decoder. You may use a 2 to 4 decoder to explain the
functionality. What are some situations in which a decoder is used in a digital circuit?
![ADD1
Add
ADD2
ALU
Presult
Add
Shift
left 2
RegDst
Branch
MemRead
Instruction [31-26]
MemtoReg
Control
ALUOP
MemWrite
ALUSrc
RegWrite
Instruction [25-21]
Read
address
Read
register 1 Read
PC
Instruction [20-16]
data 1
Read
register 2
Write
register data 2
Write
data Registers
Zero
Instruction
(31-0]
Instruction instruction [15–11]
ALU ALU
Read
result
Address Read
data
memory
Data
Write
data memory
Instruction [15-0]
16
Sign-
extend
32
ALU
control
Instruction [5-0]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F11c17195-c347-4aa8-bd58-ad73f93d499b%2F16717563-d520-4162-a3a6-0a59c20fbd22%2F7zki38k_processed.png&w=3840&q=75)
Transcribed Image Text:ADD1
Add
ADD2
ALU
Presult
Add
Shift
left 2
RegDst
Branch
MemRead
Instruction [31-26]
MemtoReg
Control
ALUOP
MemWrite
ALUSrc
RegWrite
Instruction [25-21]
Read
address
Read
register 1 Read
PC
Instruction [20-16]
data 1
Read
register 2
Write
register data 2
Write
data Registers
Zero
Instruction
(31-0]
Instruction instruction [15–11]
ALU ALU
Read
result
Address Read
data
memory
Data
Write
data memory
Instruction [15-0]
16
Sign-
extend
32
ALU
control
Instruction [5-0]
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