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guapka [62]
3 years ago
5

structured analysis is called a(n) _____ technique because it focuses on processes that transform data into useful information.

Group of answer choices iterative process-centered inferred model-specific
Computers and Technology
1 answer:
zzz [600]3 years ago
4 0

Answer:

Process - centered technique

Explanation:

Process - centered technique -

It is the method , where the useless or waste data is converted to some useful information , is referred to as process - centered technique .

This conversion process requires some activities , like  maintenance/support  , implementation , design , analysis and  planning .

Hence , from the given information of the question,

The correct option is Process - centered technique .

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In the original UNIX operating system, a process executing in kernel mode may not be preempted. Explain why this makes (unmodifi
Elena L [17]

Answer:

the preemption is -> The ability of the operating

system to preempt or stop a currently

scheduled task in favour of a higher priority

task. The scheduling may be one of, but not

limited to, process or 1/0 scheduling etc.

Under Linux, user-space programs have always

been preemptible: the kernel interrupts user

space programs to switch to other threads,

using the regular clock tick. So, the kernel

doesn't wait for user-space programs to

explicitly release the processor (which is the

case in cooperative multitasking). This means

that an infinite loop in an user-space program

cannot block the system.

However, until 2.6 kernels, the kernel itself was

not preemtible: as soon as one thread has

entered the kernel, it could not be preempted to

execute an other thread. However, this absence

of preemption in the kernel caused several

oroblems with regard to latency and scalability.

So, kernel preemption has been introduced in

2.6 kernels, and one can enable or disable it

using the cONFIG_PREEMPT option. If

CONFIG PREEMPT is enabled, then kernel code

can be preempted everywhere, except when the

code has disabled local interrupts. An infinite

loop in the code can no longer block the entire

system. If CONFIG PREEMPT is disabled, then

the 2.4 behaviour is restored.

So it suitable for real time application. Only

difference is we don't see many coders using it

5 0
3 years ago
Which of the following is NOT a valid method to increase a variable named score by 1?
Fofino [41]

Answer:

a.

++score = score + 1

Explanation:

First you have to understand the increment operator;

There are three possible ways to increment the value of variable by 1.

1.  <u>post increment</u>

syntax:

name++

it using in expression first then increase the value by 1.

2. <u>Pre increment</u><u> </u>

syntax:

++name

it increase the value by 1 before it using in expression.

3. simple method

name = name +1

In the question,

option 1: ++score = score + 1

it increase the value of score by 2 because their are two increment is used first for (score + 1) and second ++score.

Therefore, the correct option is a.

5 0
3 years ago
Suppose we have a relation schema R(A, B, C) with FD A rightarrow B. Suppose also that we decide to decompose this schema into S
4vir4ik [10]

Answer:

Check the explanation

Explanation:

A relation schema is the fundamental schema for a table. Which is In a relational kind of database (what individuals naturally refer to when they talk about database) each take can be referred to as a "relation" . therefore a relational schema is the design for the table.

kindly check the attached image below to see the step by step solution to the question.

7 0
3 years ago
Which of the following is one of the first two levels of formatting in a Word document?
Dafna1 [17]

Explanation:

Paragraph Formatting.

5 0
3 years ago
In what respects does a UML state diagram differ from a state transition diagram?
musickatia [10]

Answer: The difference between the UML state diagram and state transition diagram are as follow:-

  • State-transition diagrams display the states of the object where the change takes place whereas the UML(Unified modeling language) state diagrams are representation of parts of system at certain time instance.
  • State-transition diagram requires the condition to be accomplished before the transition happens whereas the dynamic behavior of the states are expressed by transitions in UML state diagrams.

5 0
3 years ago
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