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lesya [120]
3 years ago
7

Most operating systems perform these tasks.

Computers and Technology
2 answers:
Montano1993 [528]3 years ago
4 0

Answer:

1) allocating RAM to open programs

2) creating and maintaining the FAT

3) coordinating the interaction between hardware and software

6) displaying the GUI

Explanation:

An operating system is a software that supports the primary functions of a computer. The most used operating system is Microsoft Windows, but there are others like Linux and macOS. Operating systems perform tasks like the allocation of resources as memory and processors, controlling the coordination between software, hardware and users and detecting errors and problems among them. Also, operating systems create and maintain the File Allocation Table (FAT) on a hard disk and most of them use a Graphical User Interface (GUI) that allows everything to be displayed on the computer screen.

taurus [48]3 years ago
3 0
1, 3




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Answer:

d.) black-box testing

Explanation:

Software testing can be regarded as procedures/process engage in the verification of a system, it helps in detection of failure in the software, then after knowing the defect , then it can be corrected. Black Box Testing can be regarded as a type of software testing method whereby internal structure as well as design of the item under test is not known by one testing it. In this testing internal structure of code/ program is unknown when testing the software, it is very useful in checking functionality of a particular application. Some of the black box testing techniques commonly used are; Equivalence Partitioning, Cause effect graphing as well as Boundary value analysis. It should be noted that the purpose of black-box testing is to isolate the behavior of a given component of software.

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3 years ago
A large population of ALOHA users manages to generate 50 requests/sec, including both originals and retransmissions. Time is slo
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Answer:

The answer is below

Explanation:

Given that:

Frame transmission time (X) = 40 ms

Requests = 50 requests/sec, Therefore the arrival rate for frame (G) = 50 request * 40 ms = 2 request

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b) probability of exactly k collisions and then a success = P(collisions in k attempts) × P(success in k+1 attempt)

P(collisions in k attempts) = [1-Probability that there is success on the first attempt]^k = [1-e^{-G}]^k=[1-0.135]^k=0.865^k

P(success in k+1 attempt) = e^{-G}=e^{-2}=0.135

Probability of exactly k collisions and then a success = 0.865^k0.135

c) Expected number of transmission attempts needed = probability of success in k transmission = e^{G}=e^{2}=7.389

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