Comptia A+ Core 1 Exam: Guide To Computing Infrastructure (mindtap Course List)
10th Edition
ISBN: 9780357108376
Author: Jean Andrews, Joy Dark, Jill West
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 10TC
THINKING CRITICALLY
If 2 bits of a byte are in error when the byte is read from ECC memory, can ECC detect the error? Can it fix the error?
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Chapter 3 Solutions
Comptia A+ Core 1 Exam: Guide To Computing Infrastructure (mindtap Course List)
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
If 2 bits of a byte are in error when the byte is read from ECC memory, can ECC detect the error? Can it fix the error?
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Suppose that four different four-bit numbers are to be taken from memory and added by the circuit discussed in class. How many CLEAR pulses will be needed? How many TRANSFER pulses? How many LOAD pulses?
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The maximum hex value that can be sent out from the CPU at a time on a 24 -bit bus is _________H. Give the answer in hex. Do not use parentheses, spaces or the letter H.
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The first two bytes of a 2M x 16 bits main memory have the following Hex values:
Byte 0 is FD, Byte 1 is 04
If these bytes hold a 16-bit two's complement integer, what is its actual decimal value if:
a) Memory is big endian?
b) Memory is little endian?
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Write a program in 8051 ALP to read the contents of program memory address 50 H and copy it into external data memory address 50 H as well as 100H.
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Parity is a function in which the output depends on the number of 1s in the input. For an even parity function, the output is 1 if the input has an even number of ones. Suppose a ROM is used to implement an even parity function with a 4-bit input. Which of A, B, C, or D represents the contents of the ROM?
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Set Port 0, bits 1, 3, 5 and 7 to one, set the rest to zero.
Clear bit 3 of RAM location 22H without a ecting any other bit.
Invert the data on the port 0 pins and write the data to port 1.
Using Assembly Language for 8051
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The first two bytes of a 2M x 16 main memory have the following hex values:Byte 0 is FEByte 1 is 01If these bytes hold a 16-bit two's complement integer, what is its actual decimal value if:a. memory is big endian?b. memory is little endian?
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What sets EPROM, EEPROM, and Flash Memory different from one another, and why should you worry about the differences between them?What exactly is the purpose of a parity bit?
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How does the ALU handle overflow conditions in arithmetic operations?
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How does the ALU handle signed and unsigned integer arithmetic differently? Provide an example to illustrate.
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give the 9-bit microoperation field for the following micro- operations:
a. AC←AC + 1, DR←DR + 1
b. PC←PC + 1, DR←M[AR]
c. DR←AC, AC←DR
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