
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Transcribed Image Text:Question 27
Adding two signed integers encoded in 2's complement, overflow is indicated when
the carry in to the high-order bit is equal to the carry out
the carry in to the high-order bit is not equal to the carry out
O the carry in to the high-order bit and the carry out bit are both zero
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- In this question, you are provided with two unsigned binary numbers, A and B. You are asked to evaluate (-A - B) as well as (-A+B) using the two's complement 12-bit number system. If the result is encoded in less than 12 bits (including the sign bit), you need to extend it to fill the entire 12 bits. Indicate if an overflow occurred or not. N.B.: You need to provide the entire 12-bit result, even if an overflow occurs. You MUST report the answer in 2's complement. Do NOT convert the number back from the 2's complement. Leave it in the 2's complement representation. When A = 10110011010 and B = 100111100, the value of (-A - B) = the value of (-A + B) = If an overflow occurred during evaluating this expression, type yes, if not type no If an overflow occurred during evaluating this expression, type yes, if not type no = ; andarrow_forwardUsing bitwise operators, what would be the best way to multiply/divide 208 and 416.Show your steps clearly to receive credit. Also, express your solution in C logic. You donot need to write the whole code. you may utilize addition and subtractionoperations. However, majority of the computations must be done using bitwise operations.arrow_forwardAdding binary numbers 16-bits and larger only requires a single full-adder. True Falsearrow_forward
- 7. If the result of comparison at the highest bit of a 4-bit comparator has one input greater than all other inputs, which output will be in high state? а. > b. < c. Depends on comparisons at lower bits.arrow_forwardThe given function table is for an eight-bit ALU circuit with Bounded Signed Integers in Two’s Complement Representation. Modify it to represent signed 4-bit two's complement representation.arrow_forwardQuestion: To find the twos complement of X, take the Boolean complement of each bit of X, and then add 1. Show that the following is an equivalent definition. For an n-bit integer X, the twos complement of X is formed by treating X as an unsigned integer and calculating (2n - X). My Comments: I'm not exactly sure how to understand what this is asking for. I know that for positive numbers, the left most bit is a 0 to represent a negative value, and for negative numbers, a zero is placed at the left most bit to represent a negative value.arrow_forward
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