Answer:
Option D i.e., Backdoor is the correct answer.
Explanation:
Because backdoor is the virus that attack on the user's computer to provide unauthorized access to the hackers and it is very hard to detect, and in the following statement an issue occurred on the Ann's computer system when she open an invoice which is sent by any vendor then, several security warning appears on her system. So, that's why the following option is correct.
Answer:
This file contains encrypted password and other information also such as password expiration values,account and other confidential stuff etc.
Explanation:
In linux this file contains passwords and confidential stuff.
This file is only readable that to by the root account and hence it is secured.
Answer:
1. Spreadsheet software.
2. Word processor.
3. Database software.
4. Multimedia software.
Explanation:
A software can be defined as a set of executable instructions (codes) or collection of data that is used typically to instruct a computer on how to perform a specific task and solve a particular problem.
Simply stated, it's a computer program or application that comprises of sets of code for performing specific tasks on the system.
Basically, the various type of softwares used on computers to perform specific functions include the following;
1. <u>Spreadsheet software</u>: it can be used to create tables with embedded calculations. A spreadsheet can be defined as a file or document which comprises of cells in a tabulated format (rows and columns) typically used for formatting, arranging, analyzing, storing, calculating and sorting data on computer systems.
2. <u>Word processor</u>: it can be used to format or edit .doc files. Some examples of word processors are Notepad, Microsoft Word, Sublime text, etc.
3. <u>Database software</u>: it can be used to store data in ordered form. Thus, it allows computer users to efficiently retrieve and manage their data with an appropriate level of security. These records are stored and communicated to other data user when required or needed.
4. <u>Multimedia software</u>: it can play .mpg and .mp3 files. A multimedia software refers to a software that is designed and developed to accept, utilize and combine various file formats such as audio, video, text, animation effects, etc.
Answer:
If you want to learn coding than get a game and look at the code inside.
Explanation:
I sugest terraria