Linux better than Windows?

 Windows is one of Microsoft's operating system software developed from MS DOS while Linux is one of the operating system software made by Linus Benedict Torvald, developed from Unix. Both are good operating systems and have been used by many countries. However, the operating system that was created must have its own advantages and disadvantages. So that not everyone makes one operating system a mainstay. What exactly is the operating system. The operating system is a place where the system is processed, of course, its existence affects computer performance. Without a good operating system a computer cannot create, process, and produce data properly. In short, the operating system is the link between hardware and software. Here are the privileges of Linux compared to Windows

1 Restrictions in license

Windows is a commercial operating system. Users must purchase a license from the company that developed it, namely Microsoft. While Linux is a free operating system that anyone can develop

2 Data distribution

Windows collects user data. So that there can be privacy issues for those whose data do not want to be known. While Linux does not collect user data so your privacy remains safe

3 Security concerns

Windows is more prone to incoming viruses because it is not designed for security systems. While Linux is safer from viruses because it is designed for security systems

4 Performance

Windows is less stable, so it can cause blue screens, restart repeatedly, and the system slows down. While Linux is more stable than Windows making it suitable for servers

5 Computer interface

Windows uses a Graphic User Interface system for a single user. Where Windows can only run one program at a time. While Linux uses a multi-user system that can be run on various platforms. Allows it to run multiple programs at one time

6 Installation Process

Windows requires adequate computer specifications. There is no other way but we have to replace the computer to install the operating system. While Linux can run on low computer specifications

7 System update

Windows often requires us to install automatic updates which will definitely take a long time. However, the user is not given any other choice as a better option. While Linux does not require us to perform updates automatically

Linux already has many variants to choose from. For example Ubuntu, Kali Linux, and LinuxMint. Many of them have developed Linux code due to its Open Source nature. You can ask the community in various parts of the world when you have problems in programming. Suitable for developers but not suitable for gamers and businessmen. Where the choice itself depends on the needs of the user

Top 10 Smart Backpacks

 

Which smart backpack do you use and why?

I have top 10 list of smart backpacks you should see,

10. Vandra Eco backpack

It's matched your busy life style. Use for anywhere you want office, travel, gym. Fit 15inches laptop with anti-theft system Lockable zipper and YKK Zipper with 100% waterproof.

9. Pix mini

It's for kids. Weight of backpack is 2 pounds. Storage 15 liters with flexible display surface. Where you play any animation for kids. Bluetooth connectivity for pix mini app where you change you animation. 100% waterproof.

8. TRMNL Travel pack

1680D ballistic nylon exterior with 420D rip stop nylon interior. Super durable pack. Organized pockets with YKK zipper. 17 inches laptop easily fits. It's best uses for travel backpack.

7. Tactical urban carry system

Offer huge space upto 21 liter with multiple pockets. 15 inches laptop fits. 100% waterproof with military grade waterproof tarpaulin. Best durable backpackwith easy access in and out system.

6. Pleatpack Super slim pack.

Storage upto 21 liter with expand storage system. You can easily carry tripod systems. Water repellent 600D fabric. It's best for everyday life.

5. Errant everyday backpack

Gives lots of features. Huge storage space upto 24 liter with 6 liter expand system. 17 inches laptop fits. Mixture of high grade materials. Waterproof, durable with lefty channel foam and quick channel dryer technology. Bladder to store water.

4. Click pack X

Best anti theft backpack. TSA lock system with 5 level glass fiber. RFID heated pockets to guard your expansive items. USB charging port with waterproof zippers. It's safe and best anti-theft back pack.

3. Flexpack pro

Multiple functions backpack. 17 liter storage space with multiple pockets. 15.6 inches laptop fits. Get isolated pouches for wet things. YKK zippers with triple anti-theft protection. USB port available.

2. Sunnybag iconic

Charge your device with solar power. It is generate 7 watt power with solar panel. Battery capacity is 10,000 miliamp. 17inches laptop fits. Storage capacity upto 20 liter with 14 multiple pockets. Durable and waterproof. Best moving with powepowesource.

1.Keeback Digital backpack.

8 liter storage capacity. 18 inches laptop fits. It's has 10 watt speaker for enjoy music on. RGB Display where you set customize animation. 14000 miliamp Panasonic battery power for display and speaker. Best futuristic backpack ever. 

Arrays

 

Well most of you may be familiar with the word array if not then you will be after reading next few lines.

What is array?

An array is a variable which stores number of values with the same data type. Where data type is kind of sense of computer through which computer recognize the type of data. Array is initialize by the square brackets []. Numbers of brackets shows the number of dimensions of an array. Single set [] of square brackets shows the one-D array. Where the two sets [][] of square brackets shows the 2-D arrays and three sets [][][] of square brackets shows 3-D array and so on.

When you need to store values with same data type then you need to initialize an array with same data type of values. Suppose we have numbers of integer values. Than you need to initialize an array with int data type. The int data type is also a variable just like array which is predefined in the standard libraries. Int stands for integer.

Initializing an array without its size will generate an error!

Defining size of an error is important if you do not define or set array size than null-pointer-array error will be occur. Where in c++ we have only arraying concept but in JAVA we have array list concept. In array list, You just need to create and object of an array list and you do not need to set size of array list because array list is flexible component in java which size can contact and expand according to your need. You just need to add value in array list by add keyword. Anyways array list is another topic lets just come back to our arrays’ topic.

Errors :

Some errors can occur when we are using arrays.

i- Size of array

If you forget to put the size of an array then error will be generated.

ii- Wrong data types

If you try to add different data type values than array data. e.g : Array data type is integer and you are trying to store character( CHAR) data type value then error will be generated.

iii- Wrong index

There may be so many logical errors due to wrong index such errors compiler will not show. Arrays index starts with 0 and than 1 and so on. it means you store a value without referencing index than it will store in index 0 than if you want to store an other value without referencing index than next value will store in 0 index and you previous store value will be removed.

Protect your COMPUTER from VIRUSES

 

In the world of computer virus is a program that can copy itself and spread through a network that is destructive. This makes the computer unable to operate under normal conditions. An antivirus is needed to kill computer virus in a system. One of the famous antivirus is Avast. Avast was developed by Alwil Software. Company with utility in Prague, Czech Republic. Avast is the best antivirus because it has been downloaded by millions of users. Avast can detect virus quickly compared to other antivirus. Computer virus can be classified into several types

1 Worm

Worm is a virus that can duplicate itself on Hard Drive. Make a computer Hard Drive become full so it cannot be used

2 Trojans

Trojans are virus that take data on infected computers and send it to the makers themselves

3 Rootkit

Rootkits are virus that can resemble normal computer systems

4 Spyware

Spyware is a virus that can monitor an infected computer

5 Rogue

Rogue is a virus that mimics an antivirus program so that it displays normal antivirus activity. This virus gives false warnings about the presence of the virus. Therefore we are forced to buy or activate an antivirus that benefits the maker. Rogue virus can also open up security holes to bring in other virus

6 Polymorphic

Polymorphic is a virus that likes to change so it cannot be detected

7 Metamorphic

Metamorphic is a virus that changes its own coding to make it more difficult to detect

Virus really can't be prevented. His presence must be addressed immediately so that not more and more number. New computers are usually free of virus. As a user you can do the following to avoid virus coming to the computer

1. Beware of Flash Drive

Virus can spread through devices that can move like a Flash Drive. Because the use of Flash Drive is too often removed and installed on various components. Flash Drive needs to be scanned first so that no virus come from outside

2. Avoid downloading haphazardly

Download any file from only one source. This is because certain sites can store virus in files without us knowing. You can ask the forum to find a trusted site so you don't have to search many pages and try one by one

3. Activate the Firewall

Firewall is a system that can determine whether a computer can connect to a network or block it. This system can be a barrier for any virus to enter the computer. To access the Firewall open the Star menu then look for the Control Panel. Find a Firewall and press on or off

It's best to always scan your computer with an antivirus every time you want to use it. Because of a small mistake. An undetectable virus can spread quickly and is difficult to remove