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ycow [4]
2 years ago
7

Which of the following is not true about Mac computers? The current version of OS X is called El Capitan. Macs come with a varie

ty of useful programs already installed. Boot Camp is a program that allows you to install and run Windows on a Mac Macs have a reputation for being unsecure, unstable and difficult to use.​
Computers and Technology
1 answer:
horrorfan [7]2 years ago
3 0
Mac’s current OS is El Capitan and Macs have a reputation to be unsecure. Both of these are not true.
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compared to other data structures, this dbms structure is more flexible and stores data as well as instructions to manipulate th
Nuetrik [128]

Object-oriented databases is more flexible and stores data as well as instructions to manipulate the data.

A system known as an object database uses object-oriented programming to represent data in the form of objects. Different from relational databases, which are table-oriented, are object-oriented databases.

The concept of object-oriented programming languages, which is currently popular, is the foundation of the object-oriented data model. Overloading, polymorphism, and inheritance Object-oriented programming fundamentals that have found use in data modelling include object-identity, encapsulation, and information hiding with methods to provide an interface to objects. The rich type system, which includes collection and structured types, is supported by the object-oriented data model as well.

In contrast to relational databases, which can only handle one type of data, object databases can handle multiple data types. Unlike conventional databases like hierarchical, network, or relational, object-oriented databases can handle a variety of data types, including text, numbers, images, voice, and video.

Also, Reusable code, realistic modelling, and increased dependability and flexibility are all provided by object-oriented databases.

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7 0
1 year ago
1. Bluetooth
Elza [17]

Complete Question:

1. A wireless technology standard for exchanging data over short distances

2. A particular brand of mobile phone/PDA

3. A network that operates over a limited distance, usually for one or a few users

1. Bluetooth

2. PAN

3. Blackberry

Answer:

1. Bluetooth 2. Blackberry . 3. PAN

Explanation:

1. Bluetooth is a wireless technology standard, used in order to exchange data between mobile devices, like smartphones, tablets, headsets, wearables, over short distances in a one-to-one fashion (which means that it is not possible to build a network based in Bluetooth).

2. Blackberry is a brand of mobile phones/PDAs, very popular a decade ago, because it was the first one to allow mobile users to access e-mails and messages from anywhere, at any time.

3. PAN (Personal Area Network) is an ad-hoc network that it is only available for data exchange at a very short distance, within the reach of a person, i.e. a few meters as a maximum.

It is thought to allow someone to interact with his nearest environment (laptop, tablet, PDA) and it can be wireless (like Bluetooth) or wired (via USB cables).

4 0
3 years ago
Which of the following is NOT true about variables?
VikaD [51]

Answer:

The answer to this question is given below in the explanation section.

Explanation:

The value stored by a variable can be changed after it is assigned(true).

The value of a variable can be changed after it is assigned, for example:

int a=10;

and we can change the value of variable a in letter program such as:

a=15;

Variables are a name for a spot in the computer's memory (true).

it is true, because the variables value stored in the computer's memory and we can access theses values by their name (variable name). so Variables are a name for a spot in the computer's memory.

Variable names can be words: such as temperature or height (true).

Yes, the variable name can be words such as height, width, temperature etc.

The value stored by a variable cannot be changed after it is assigned (false).

It is noted that the value stored by a variable can be changed after it is assigned. However, it is noted that is some programming language, you can't change the value of static variable.

3 0
3 years ago
Write down eight points on how modern technology have effected our life ?
luda_lava [24]

Answer:

  1. Made everyday activities easy to do
  2. We have become dependant on mordern technology
  3. We use the internet for everything
  4. Meetings can be done online
  5. food can be ordered and delivered online
  6. Payments can be done using technology
  7. We pay more attention to social media
  8. Meet new people online
3 0
3 years ago
what types of physical drives does windows disable defragmenting, but provides another method of optimization?
Anika [276]

The type of physical drives does windows disable defragmenting, but provides another method of optimization is known as windows.

<h3>What is windows?</h3>

It should be noted that windows is a separate viewing area on a computer display screen in a system.

In this case, the type of physical drives does windows disable defragmenting, but provides another method of optimization is known as windows.

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4 0
2 years ago
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