Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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7. What is a bit? How many bits to a byte?
8. How many bits are in the following? Use place holders to show your approach (i.e., 1s place, 2s place, so forth).
a. 2 Megabits
b. 5 Kilobits
c. 3 Gigabits
9. Give examples of when you would use bits and when you would use bytes.
10. How many bits are required to represent the following decimal numbers.
a. 2 KiloBits
b. 40 MegaBytes c. 10 GigaBits
d. 32 MegaBytes
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- hello maam/sir please help me with this questions please im begging you.. I will give good rating after promise :"( this is all about number system conversionarrow_forwardAnswer and show all workarrow_forwardAssume we are running code on a 7-bit machine using two's complement arithmetic for signed integers. A "short" integer is encoded using 3 bits. Fill in the empty boxes in the table below. The following definitions are used in the table: short sy = -3; int y = sy; int x = -12; unsigned ux = x; Note: You need not fill in entries marked with "-". Expression Decimal Binary Zero -8 10 0110 ux y x >> 2 ux & y TMax TMax + TMinarrow_forward
- 1) For IEEE 754 single precision floating point numbers, if X is a negative denormalized floating point number with mantisa 010 0000 0000 0000 0000 0000, what is the decimal value of X? Question options: a. –1.25 × 2^(–126 ) b. –1.25 × 2^(–127 ) c. –0.25 × 2^(–127) d. –0.25 × 2^(–126 ) e. None of the above 2) Which of following recursive C++ functions correctly computes a[0]+a[1]+...+a[n-1] (where n is the size of array a) ? Question options: int sum(int n, int a[] ){ return n>0? sum(n-1) + a[n] : a[0]; } int sum(int n, int a[] ){ return n>0? sum(n-1, a) + a[n-1] : a[0]; } int sum(int n, int a[] ){ return sum(n-1, a) + a[n-1] ; } int sum(int n, int a[] ){ return n>0? sum(n-1, a) + a[n] : a[0]; } int sum(int n, int a[] ){ return n>0? sum(n-1) + a[n-1] : a[0]; }arrow_forwardIn this scheme, how many different numbers are representable and What is the largest number represented in this system? (Give your answer as a fraction in its lowest form.).,Finally What number represents 7/10 in this system?arrow_forwardYou can determine the maximum and minimum possible values for a datatype based on the number of bits that it uses (I cover this in lecture, note it differs for unsigned compared with signed). The idea is to consider which bits should be 0 or 1 to achieve the maximum and minimum values, respectively. 1. For each type in the table, enter the minimum and maximum Base 10 values you can represent. Minimum (Base 10) Maximum (Base 10) Type unsigned byte byte unsigned int int Note: You can express your answers as powers of 2 if you want.arrow_forward
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