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mina [271]
3 years ago
9

Assume the following representation for a floating point number 1 sign bit, 4 bits exponent, 3 bits for the significand, and a b

ias of 7 for the exponent (there is no implied 1 as in IEEE).
a) What is the largest number (in binary) that can be stored? Estimate it in decimal.
b) What is the smallest positive number( closest to 0) that can be stored in binary? Estimate it in decimal.
c) Describe the steps for adding two floating point numbers.
d) Describe the steps for multiplying two floating point numbers.
Computers and Technology
1 answer:
Andrew [12]3 years ago
6 0

Answer:

Detailed answers given in the solution

Explanation:

a)

max exponent= 1111=15

in biased form =15-7=8

max significant=1111=(.9375)10

max value= 1.9375*28

b) min exp= 0000=0-7=-7(biased)

min value=1.0000*2(-7)

c) Addition : Suppose we want to add two floating point numbers, X and Y.

steps to add floating point numbers:

Make exponents of the two numbers to be the same (if not). We do this by rewriting .

Add the two mantissas of X and the Y together.

If the sum in the previous step does not have a single bit of value 1, left of the radix point, then adjust the radix point and exponent until it does.

Convert back to the one byte floating point representation.

d) Multiplication :

Suppose you want to multiply two floating point numbers, X and Y.

steps to multiply floating point numbers.

sum of the two exponents..

Multiply the mantissa of X to the mantissa of Y. Call this result m.

If m is does not have a single 1 left of the radix point, then adjust the radix point so it does, and adjust the exponent z to compensate.

Add the sign bits, mod 2, to get the sign of the resulting multiplication.

Convert back to the one byte floating point representation, truncating bits if needed.

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A direct-mapped cache holds 64KB of useful data (not including tag or control bits). Assuming that the block size is 32-byte and
Cerrena [4.2K]

Answer:

A) Number of bits for byte = 6 bits

B) number of bits for index = 17 bits

C) number of bits for tag = 15 bits

Explanation:

Given data :

cache size = 64 kB

block size = 32 -byte

block address = 32 -bit

number of blocks in cache memory  

cache size / block size = 64 kb / 32 b = 2^11 hence the number of blocks in cache memory = 11 bits = block offset

A) Number of bits for byte

log _{2} (6)^2 = 6  bits

B) number of bits for index

block offset + byte number

= 11 + 6 = 17 bits

c ) number of bits for tag

= 32 - number of bits for index

= 32 - 17 = 15 bits

5 0
3 years ago
Review the portion of the application above. Record any changes or corrections that need to be made and why.
crimeas [40]

Answer:

Necessary Corrections: First Name and Last Name are recorded in incorrect boxes. Scribbles on errors instead of making corrections Does not include information in the SSN or Desired Salary blank Does not list which position she is applying for Has box checked that she has worked for the company, but does not say when For education just wrote “Yes” instead of listing the high school and address Justification: All of this make the applicant appear less professional and hurt her chances of getting hired. She is not following the directions properly, and she is not asking questions so that she can accurately fill out the application.

(I got a 100% so I know its correct)

4 0
3 years ago
Ellen is expecting to get a 3% raise next year. She enters .03 in cell D2 so that she can predict her monthly income for the nex
Korolek [52]

Answer: F4

Explanation:

Absolute reference means that we can use a formula for a cell in a Excel and that formula for that particular cell will not be changed even if we copy or drag that formula to some part of the cell.

Excel offers us with the solution of applying formulas to different part of the cells which are indicated by the $ sign. So as in the question Ellen as she is expecting a 3% raise net year in her monthly column, So she can use absolute reference. She enters .03 which is 3 divided by 100 in the monthly income column. So in that column she has to type = for the formula to begin. Then the formula which is .03 and followed by F4 which is used to make the cell D2 absolute reference.

So next time upon referencing cell D2, we would get the value according to the formula.

3 0
3 years ago
You are a trainer for your company and often teach courses in a classroom located on-campus or in a hotel conference room. In yo
Alisiya [41]

Answer:

Duplicate these displays.

Explanation:

<u>A. Show only on 1</u> <em>displays only the first screen and disconnects the second one</em>

<u>B. Extend these displays</u> <em>displays two different outputs on the same computer</em>

<u>C. Show only on 2.</u> <em>displays only the second screen and disconnects the first one</em>

<u>D. Duplicate these displays.</u> <em>displays the same output for both screen</em>

5 0
3 years ago
Read 2 more answers
PLEASE HELP ON THESE 3!! ILL GIVE A BRAINLIEST IF ITS CORRECT!!
Travka [436]
Not entirely sure about 1; I believe it's D. 2 is C, and 3 is A.
5 0
3 years ago
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