Question

Each question 5 or 6 points
1. Features of Java
2. Cyber crime
3. Types of computer network
4. Steps of troubleshooting
5. Use of Photoshop.
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Answer 1

Answer:

1. Features of Java

• object oriented
• platform independent
• simple
• secure
• architecture neutral
• portable
• robust
• multithreaded
• interpreted
• dynamic
• distributed
• high performance

2. Cyber crime

Cybercrime is criminal activity that either targets or uses a computer, a computer network or a networked device.

Some cybercriminals are organized, use advanced techniques and are highly technically skilled. Others are novice hackers.

Rarely, cybercrime aims to damage computers for reasons other than profit. These could be political or personal.

3. Types of computer network

• Local Area Network (LAN) LANs are the most frequently discussed networks, one of the most common, one of the most original and one of the simplest types of networks.
• Metropolitan Area Network (MAN)these types of networks are larger than LANs but smaller than WANs – and incorporate elements from both types of networks.
• Wide Area Network (WAN) a WAN connects computers together across longer physical distances. This allows computers and low-voltage devices to be remotely connected to each other over one large network to communicate even when they’re miles apart.

4. Steps of troubleshooting

• Define the problem.
• Gather detailed information.
• Consider probable cause for the failure.
• Devise a plan to solve the problem.
• Implement the plan.
• Observe the results of the implementation.
• Repeat the process if the plan does not resolve the problem.
• Document the changes made to solve the problem.

5. Use of Photoshop

Adobe Photoshop is a critical tool for designers, web developers, graphic artists, photographers, and creative professionals. It is widely used for image editing, retouching, creating image compositions, website mockups, and adding affects. Digital or scanned images can be edited for use online or in-print. Website layouts can be created within Photoshop; their designs can be finalized before developers move on to the coding stage. Stand-alone graphics can be created and exported for use within other programs.

Explanation:

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