Answer:
input device
Explanation:
any hardware device that allows users to enter programs, data, and commands into a computer system
Answer:
b. data entry slows as every INSERT , UPDATE, or DELETE statement must also update every index.
Explanation:
This process help to improve the speed of get data , it takes each element in the indexed column and save the location to get faster the data. But if you index every attribute in a table it going to take a lot of time locating each column in the respective index in each query(update, delete and insert). For that reason is necesary be carefull with this process and only put index in the relevant columns
Answer:
Software Package means software which is used collectively, implements alike purposes, or combines alike characteristics and is bundled collectively being one kit from software applications, where as, Integrated software is a combination of software specifically built to operate on almost linked applications.
Explanation:
Users should choose Software Package because of the following reasons:
- Cheap price compared over buying individual application independently.
- Opportunity to introduce the total of the applications at the corresponding period or just that applications you require to work.
- The compatible user interface of individual application over another.
- The facility to distribute data among applications.
- Coming updates can refresh every application whole by the corresponding event.
- Perfect for individual use, licensed use, huge or little company.
- Every software holds the full-featured transcription.
Answer:

Explanation:
The statements are logically equivalent if they have the same truth tables. So let´s use truth tables in order to determine if they are logically equivalent or not:
The picture that I attached you shows the truth table for each case. As you can see in the highlight columns:

They are logically equivalent because they have exactly the same truth values between each other. Hence, we can conclude that they are logically equivalent.
Web-based application - this is a special kind of applications that operate in the global Internet via HTTP. The user interacts with the program, usually carried out through the browser.