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QUESTION 18 When programming I/O, there is usually a need to perform a logical operation on all 8 bits of a register at the same time. Which of the following instructions will perform a byte-wise 'or? O a. NEG b. AND C. OR d. POP QUESTION 19 Binary Coded Decimal (BCD) is a way to represent decimal (base 10) numbers using 4 binary bits for the ones digit and then four binary bits for the tens digit. Because the 10's and 1's digits are represented in one 8 bit byte, this is known as packed BCD. With this information, please identify the decimal number represented by the following binary: 01101001 O a. 105 Ob. 129 C. 96 d. 69 QUESTION 20 ASCII (American Standard Code for Information interchange) code is used to represent text symbols in print or on screens. Convert the following hexadecimal number to required ASCII code to display on a LCD screen: A9 O a. 0x2A 0x49 O b. 0x0A 0x09 Oc. 0x41 0x39 d.0x3A 0x39

QUESTION 18 When programming I/O, there is usually a need to perform a logical operation on all 8 bits of a register at the same time. Which of the following instructions will perform a byte-wise 'or? O a. NEG b. AND C. OR d. POP QUESTION 19 Binary Coded Decimal (BCD) is a way to represent decimal (base 10) numbers using 4 binary bits for the ones digit and then four binary bits for the tens digit. Because the 10's and 1's digits are represented in one 8 bit byte, this is known as packed BCD. With this information, please identify the decimal number represented by the following binary: 01101001 O a. 105 Ob. 129 C. 96 d. 69 QUESTION 20 ASCII (American Standard Code for Information interchange) code is used to represent text symbols in print or on screens. Convert the following hexadecimal number to required ASCII code to display on a LCD screen: A9 O a. 0x2A 0x49 O b. 0x0A 0x09 Oc. 0x41 0x39 d.0x3A 0x39

Database System Concepts
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
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QUESTION 18 When programming I/O, there is usually a need to perform a logical operation on all 8 bits of a register at the same time. Which of the following instructions will perform a byte-wise 'or? O a. NEG b. AND C. OR d. POP QUESTION 19 Binary Coded Decimal (BCD) is a way to represent decimal (base 10) numbers using 4 binary bits for the ones digit and then four binary bits for the tens digit. Because the 10's and 1's digits are represented in one 8 bit byte, this is known as packed BCD. With this information, please identify the decimal number represented by the following binary: 01101001 O a. 105 b. 129 C. 96 O d. 69 QUESTION 20 ASCII (American Standard Code for Information Interchange) code is used to represent text symbols in print or on screens. Convert the following hexadecimal number to required ASCII code to display on a LCD screen: A9 O a. 0x2A 0x49 b. 0x0A 0x09 Oc. 0x41 0x39 O d. 0x3A 0x39
Transcribed Image Text:QUESTION 18 When programming I/O, there is usually a need to perform a logical operation on all 8 bits of a register at the same time. Which of the following instructions will perform a byte-wise 'or? O a. NEG b. AND C. OR d. POP QUESTION 19 Binary Coded Decimal (BCD) is a way to represent decimal (base 10) numbers using 4 binary bits for the ones digit and then four binary bits for the tens digit. Because the 10's and 1's digits are represented in one 8 bit byte, this is known as packed BCD. With this information, please identify the decimal number represented by the following binary: 01101001 O a. 105 b. 129 C. 96 O d. 69 QUESTION 20 ASCII (American Standard Code for Information Interchange) code is used to represent text symbols in print or on screens. Convert the following hexadecimal number to required ASCII code to display on a LCD screen: A9 O a. 0x2A 0x49 b. 0x0A 0x09 Oc. 0x41 0x39 O d. 0x3A 0x39
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