
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:If we record a song that is one minute long using 16 bits for each sample and is
sampled at 44.1 KHz in mono channel, without any metadata or compression, how large would
the file be? Express your answer in MB. Show you work.
(Note that 1KHz means 1000Hz while 1K means 1024 (and IM means 10242) for capacity
calculations.)
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- For the following question, simply state your answer in the blank using only numbers (0-9). You do not need to show your work. If a base-10 number X requires a minimum of 10 bits to represent it in unsigned binary, what is the minimum number of bits necessary to represent X in hexadecimal?arrow_forwardSuppose we use the following code for compression. But, it could create ambiguities when decoding. Explain why. Also give an input text that cannot be decoded without any ambiguities after compressing it using the code. a : 101 b: 11 c: 10 d:0arrow_forwardTake the 127-bit binary BCH code with a 6-bit target distance and the 128-bit binary field extension F 128. How big is the code, and is there a minimum separation you can promise?arrow_forward
- What are the differences between the unsigned binary formats, excluding underscores?arrow_forwardFor an 8-bit compressed code of 10111101, what is the 12-bit recovered code?arrow_forwardQuestión Use Huffman coding to compress the letters in the following chart. What are the total bits of the compressed code? Code 000 001 010 011 100 Frequency 12 14 11 3 Character A Total Bits 36 В 42 C 33 6. 15 D E F N 101 110 13 39 1 3 a 177 bits b 151 bits 174 bits d 163 bitsarrow_forward
- If we use the 128-bit binary field extension F 128 to decode the 127-bit binary BCH code at a distance of 6, we get a total of 127 bits. How big is the code, and is there a guaranteed minimum separation?arrow_forwardAssume that a system uses 10-bit floating-point representation based on the IEEE floating-point format, in which: . There is 1 sign bit. There are k= 6 exponent bits. The exponent bias is 31. . There are n= 3 fraction bits. ● Convert the decimal number -5.5 into the 10-bit IEEE floating point representation explained above. Write the final result in 10-bit binary format. Show your steps.arrow_forwardI forget to give you the guideline for this question.arrow_forward
- 1 a. If the last operation performed on a computer with an 8-bit word was an addition in which the two operands were 00000010 and 00000011, what would be the value of the following flags? ● Carry • Zero • Overflow Sign • Even Parity ● Half-Carry b. Repeat for the addition of -1 (twos complement) and +1.arrow_forwardWhat are the differences between the unsigned binary representations, disregarding the underscores?arrow_forwardOther than underscores, what are the distinctions between the unsigned binary formats?arrow_forward
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