A data flow diagram is a graph that shows how data moves between internal operations and external entities as well as between data stores and activities within a system.
<h3>What does the movement of data between internal processes and data stores and external entities look like? </h3>
- A data flow diagram is a graph that shows how data moves between internal operations and external entities as well as between data stores and activities within a system.
- A data flow diagram (DFD) is a visual representation of how data moves between processes and data stores inside or outside of a system as well as between external entities.
- One of the deliverables for process modeling is context DFD.As seen on the DFD flow chart in Figure 5, a data flow diagram (DFD) is a graphical depiction of the "flow" of data through an information system, simulating various process elements.
- Information traveling through processes and data stores to reach the system is known as data flow.The DFD can show you the direction of the data flow with arrows and brief labels.
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Answer:
An Online Reservation System is a software you can use for managing reservations for your service. ... Basically, an online reservation system allows a potential customer to book and pay for a service directly through a website.
Explanation:
An Online Reservation System is a software you can use for managing reservations for your service. Be it a pool, fitness center, gym, yoga studio, or a parks & recreation center an Online Reservation System allows all kinds of service businesses to accept bookings and appointments online and manage their phone and in-person bookings with ease.
Basically, an online reservation system allows a potential customer to book and pay for a service directly through a website. That means from the moment a customer decides they want to book a slot for your service (be it an in-house class or online appointment) to choosing a date, picking a time, and paying for the booking, membership management, everything is handled online! It greatly reduces the workload on your staff and removes the opportunity for double-bookings.
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Answer:
Short term memory
Explanation:
Is the capacity an individual has to hold on to a small amount of information for a short period of time without altering it, it is used to remember information like phone numbers, passwords etc. It is also known as primary or active memory.
If short time memories is not rehearsed, they don't last and are easily forgotten, they actually last for about 20-30 seconds.
Aspects of short term memory :
1. Limited capacity : in a short term memory at most 7 items can be stored at a time.
2. Limited capacity : information is short lived and can be lost through distraction and with time.
3. Encoding.
Answer:
b. the number of items in keyIterator is equal to the number of items invalueIterator
Explanation:
A dictionary in python is an unordered and unindexed data structure. It stores data in key-value pairs, this means that for every key in a dictionary, there must be a value. A keys() method is used to create an iterator of dictionary keys. The items of this iterator can be used in a list comprehension, using the dictionary name and the item key to get the values of the dictionary, creating a list of the dictionary values. The values attribute can also be used for this purpose but cannot be used to get the keys.
Answer:
Please follow the steps
1) Open excel
2) Go to Developer Tools
3) Click on "Insert" and then under "ActiveX Controls", click on command button on extreme left.
4) Create two buttons and name them "Higher" and "Lower"
5) Double click on the button which you have named "Higher".
6) A new window will be opened where you have to put the code "Range("E3").Value = Range("E3").Value + 1".
7) Minimize the window and turn off the "Design View"
8) Put any value in E3 to verify the working and click the button named "Higher".
9) Perform the same steps for the button which you have named "Lower" and put the code "Range("E3").Value = Range("E3").Value - 1".
N.B: If you don't see the developer tools on the top. Click on the File menu and then select Options from the drop down menu. Excel Options window will appear.click on the Customize Ribbon option which you will see on the left. Click on the Developer checkbox under the list of Main Tabs on the right. Then click on the OK button.
Explanation:
