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The last digit of a credit card number is the check digit, which protects against transcription errors like an error in a single digit or switching two digits. The following method is used to certify actual card numbers but, for simplicity, we will define it for numbers with 8 digits instead of 16:
a. Starting from the rightmost digit, form the sum of each other digit. For instance , if the credit card number is 43589795, then you form the sum 5 + 7 + 8 + 3 = 23.
Hardware that calculates CRC (Cyclic Redundancy Check) uses: Hardware which computes CRC utilizes shift register and Xor unit.
Q. Explain about Theta Notation? Theta Θ Notation : The set Θ (g(n)) comprises all functions f(n) for that there exist positive constants c1,c2 such that f(n) is squeezed in b
First-Order Logic : There's Reasoning, and then There's Reasoning As humans, we have always prided ourselves on our capability to think things by: to reason things out and c
Q. How to Access the Disk Data? Disks operate is semi-random mode of operation and generally referenced block wise. The data access time on a disk comprises two major component
Discuss the problem when a boiler is fed with lime-soda softened water
what is Throw-way model.
Shifting a register content to left by one bit position is equivalent to ? Ans. Multiplication by two is equivalent while shifting register content to left by one bit position.
what is hashing in database management system?
Differentiate between AT and XT computer system? Ans XT -> Extended and AT->Advanced Technology Some differences between PC and XT include the type of power supply initia
Purpose, Environment, Boundary, Inputs, and Outputs are a number of important terms related to Systems. A System's objective/purpose is the reason for its existence and refe
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