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q what is a heat sink list the factors which determine its efficiencyto reduce the chance of thermal runaway the rise of temperature at the collector
q what is meant by thermal runaway in a transistor when current flows through the collector circuit it produces heat at the collector junction this
what do you mean by variability in oxidation state of transition metals different from that of the non transition metals illustrate with
using nyquist theorem determine the sampling rate for an analog signal with frequencies from 3000hz to 86000hz and for a signal with ahorizontal line
q show binary coded decimal number systemif we analysis single digit values for hex the numbers 0 - f they represent the values 0 - 15 in decimal and
q explain the procedure of binary to hex conversionit is simple to convert from an integer binary number to hex this is completed bybreak the
hexadecimal is of use in it because1 it is a compact system eg only 3 digits represent the number 9862 as 16 are a power of 2 it turns out to be
q explain hexadecimal number systema hexadecimal number systemuses base 16includes only the digits 0 through 9 and the letters a b c d e and fin the
q illustrate hexadecimal number systema big difficulty with the binary system is verbosity to symbolize the value 202 requires eight binary digitsthe
q can you show the decimal to octal conversionto convert decimal to octal is somewhat more difficult the usual method to convert from decimal to
q show the procedure of octal to decimal conversionto convert from octal to decimal multiply the value in every position by its octal weight and add
q can you explain octal to binary conversionit is also simple to convert from an integer octal number to binary this is completed byconvert the
q show binary to octal conversionit is simple to convert from an integer binary number to octal this is accomplished bybreak the binary number
q show the octal number systemthough this was once a popular number base especially in the digital equipment corporation pdp8 and other old computer
q what do you mean by mantissathe mantissa as well known as the significand represents the precision bits of the number it is composed of an implied
q what do you mean by exponentthe exponent field needs to represent both negative and positive exponents to perform this a bias is added to the
q what do you mean by sign bitthe sign bit is like simple as it gets 0 denotes a positive number and 1 denote a negative number and flipping the
q show the storage layout of digital systemthe ieee floating point numbers have three basic components the sign the exponent and the mantissa a
q explain about floating point numbersthe ieee standard 754 floating point is the most common representation today for real numbers on computersthere
q show the overflow of arithmetic operationsa circumstance takes place because the magnitude of the results of arithmetic operations has become too
q can you explain twos complement division2s complement division is repeated 2s complement subtraction the 2s complement of the divisor is calculated
2s complement multiplicationtwos complement multiplication follows the similar rules as binary multiplicationfor illustration-4 times 4
q show the procedure twos complement subtractiontwos complement subtraction is the binary addition of the minuend to the 2s complement of the
q can you explain twos complement addition2s complement additiontwos complement addition follows the same rules as binary additionfor example5
q show the rrsquos complementstep1- get the r-1s complementstep 2- add 1 to the result ex