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Semmy [17]
3 years ago
8

A(n) ____ stores a query and is used to access data in the underlying tables.

Computers and Technology
1 answer:
choli [55]3 years ago
7 0
A cross tab query is good in data assessment
 in any underlying tables.
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What is TLB for? Why TLB? Given the following number, what is theeffective memory access time?
vodomira [7]

Answer:

A lookaside buffer translation (TLB) is a memory cache that reduces the time it takes to access a user memory place. TLB includes the most lately used page table entries.

TLB is used to overcome the issue of sizes at the time of paging. Page Table Entry (PTE) is used for framing the memory ,but it uses two references one for finding  the frame number and the other for the address specified by frame number.

<u>Formula for finding effective memory access time-</u>

Effective Memory Access Time = (TLB access_time+Memory Access Time)*hit ratio + (TLB access_time+2*Memory Access Time)*(miss ratio)

Given in question,

Hit ratio = 0.90

Memory Access Time = 150ns

TLB access time= 5ns

Effective Memory Access Time = (TLB access_time+Memory Access Time)*hit ratio + (TLB access_time+2*Memory Access Time)*(miss ratio)

                            =(5+150) * 0.90 + (5+2*150)*(1-0.90)

                             =155 * 0.90 + (305*0.1)

                             =139.5 + 30.5

                             = 170ns

8 0
3 years ago
Write a program to prompt the user for a positive integer: N. The program will repeatedly divide the input in half using a loop,
a_sh-v [17]

Answer:

using python to write the program

Explanation:

#To use the log function, the module must be imported

import math

n=int(input("Enter number to be halved"))

count=0

while(n>1):

   count=count+1

   n=n//2

print("The number halved is now ", n, "The is the ", count, "iteration")

x = math,log(2,(n))

print("The log of n is:", x)

5 0
3 years ago
EXERCISE 3
balandron [24]

Answer:

The BASIC program is as follows:

SUM = 0

FOR I = 1 TO 20

INPUT SCORES

SUM = SUM + SCORES

NEXT I

AVERAGE = SUM/20

PRINT AVERAGE

Explanation:

This initializes sum to 0

SUM = 0

This iterates through 20

FOR I = 1 TO 20

This reads each score

INPUT SCORES

This calculates the total scores

SUM = SUM + SCORES

NEXT I

This calculates the average

AVERAGE = SUM/20

This prints the calculated average

PRINT AVERAGE

5 0
3 years ago
Margie has found a stock template to use. She changes a few things about the formatting and then saves the
asambeis [7]

Answer:

file open my documents

Explanation:

because if she saved it she would have to go to her documents to open it

6 0
3 years ago
Read 2 more answers
Which of the following areas of study have been instrumental in shaping the development of HCT?
Ivan

Answer:

Cognitive Science and Graphic Design.

and hence D and E options are correct.

Explanation:

By HCT we mean Home and Community-based Treatment. This is, in fact, a home-based behavioral health-related service for the young people and all families which seek a better treatment plan, that is more advanced apart from an emergency therapy. And as far as the HCT's are concerned, they have well trained in quite a good number of treatment procedures like Cognitive Science related procedures. trauma centric cognitive treatment. However, a little bit of Arts and creativity is also required, and hence, you should know about the graphic design also.

8 0
4 years ago
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