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klio [65]
3 years ago
14

Consider the following short paragraph:On a computer with a single core CPU, attempting to program real concurrency between two

processes (as opposed to apparent concurrency) is impossible, because the CPU can in actuality only do one thing at a time. To fake the user into thinking that more than one process is running at the same time, the CPU can, for example, switch back and forth between running each process very quickly.Choose one of the following statements about this paragraph:a) It is all trueb) It is all falsec) Some of it is true, and some of it is false
Computers and Technology
1 answer:
worty [1.4K]3 years ago
6 0

Answer:

Option  a)

Explanation:

PC having a CPU with single core, for the most part actualize multithreading by applying time cutting.  

Multithreading is a feature Java that permits simultaneous execution of at least two pieces of a program for greatest use of CPU. Each piece of this program is known as a thread. Along these lines, threads are light-weight forms inside a procedure.

Along these lines, fundamentally it switches between various procedures. Fundamentally it is "tricking" a bit,while CPU can do just a single thing utilizing a single center or core in turn yet pretends having more than a single core.

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General Hardware Products Your boss, the IT director, wants you to explain FDDs, BPM, DFDs, and UML to a group of company manage
Bas_tet [7]

Answer:

1. FDD is a process and Analysts can use a FDD to create and use business functions and processes. It Requirements models are used when gathering requirements for a new system.

2. BPM is used on an ongoing basis for business process improvement. It is meant to improve order, insight and efficiency of the collective workflows that make up any given business process. BPM is meant to reduce any chaos within those collective workflows that make up a process and eliminate ad hoc workflow management. BPM means Business Process Management.

3. DFDs stands for Data Flow Diagram which will help software developers and designers to understand how they can take their next step to fit into the overall business process. DFDs paly key role for a successful requirements modeling.

4. UML can be used for modeling a system independent of a platform language. UML is a graphical language for visualizing, specifying, constructing, and documenting information about software-intensive systems. UML gives a standard way to write a system model, covering conceptual ideas.

Explanation:

Functional decomposition diagram (FDD) is used to identify functions and define their structure. It is a technique to decompose the complex problem into manageable pieces or individual elements to develop the application or product.

DFDs: It contains a process (shape) that represents the system to model, in this case, the "Food Ordering System". It also shows the participants who will interact with the system, called the external entities. In this example, Supplier, Kitchen, Manager and Customer are the entities who will interact with the system.

Unified Modeling Language (UML): Edraw UML Diagram is the application of choice for many software engineers and designers. The software is fully compatible with 64 and 32-bit Windows platforms from Windows XP to Windows 10.

3 0
3 years ago
Which is a solution that represents the majority of VPNs on the market and is commonly referred to as a VPN appliance?
Dafna1 [17]

Answer:

Remote access VPN

Explanation:

The solution that represents the majority of VPN's on the markets and is commonly referred to as a VPN appliance is the Remote access VPN

A remote access VPN is a type of VPN  that  works by creating a virtual channel (appliance ) between different devices for the purpose of exchanging data in an encrypted form. although this Tunnel passes through the public internet the Data exchanged are only accessible by the devices connected via the tunnel only .

The remote access VPN  is mostly used to connect an employee to the company's network therefore it represent the majority of VPNs in the market.

3 0
3 years ago
Hãy mô tả mô hình xử lý của hệ thống thông <br> tin kế toán tài chính trong một doanh nghiệp
GrogVix [38]
Yes because it’s the square size of life
6 0
3 years ago
Write a program to assist a cashier with determining correct change. The program should have one input, the number of cents to r
SCORPION-xisa [38]
```
#!/usr/local/bin/python3

import sys

coins = { "quarters" : 25, "dimes" : 10, "nickels" : 5, "pennies" : 1 }

def mkChange( balance, coin ):
    qty = balance // coins[ coin ]
    if( qty ):
        print( str( qty ) + ' ' + coin )
    return( balance % coins[ coin ] )

if( __name__ == "__main__" ):
    if( len( sys.argv ) == 2 ):
        balance = int( sys.argv[ 1 ] )
        balance = mkChange( balance, "quarters" )
        balance = mkChange( balance, "dimes" )
        balance = mkChange( balance, "nickels" )
        balance = mkChange( balance, "pennies" )
    else:
        sys.stderr.write( "\nusage: " + sys.argv[ 0 ] + " <change owed>\n" )
```


5 0
3 years ago
I am getting two expected errors on this code for the bottom two “public static void” lines. Can someone tell me how I can fix i
AVprozaik [17]

Answer:

Declare variable b in both lines

i.e. int b

Explanation:

In the given code, the parameters of both functions were not properly declared.

When listing the parameters, the data type must be clearly stated for all parameters (individually)

In the declaration of both functions, only variable a is declared as integer while b is undeclared.

So, the correction is to declare b as integer

7 0
3 years ago
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