Answer: Spread spectrum
Explanation:
In spread spectrum the data to be transmitted is spread over a wider bandwidth rather than fixed bandwidth.
Answer:
HDD technology
Explanation:
You will find that there is a big difference between the SSD and the HDD. The SSD lists out the technical advantages as well as the disadvantages related to HDD, and this has led to the wide use of the SSD rather than the HDD, which is supposed by many being an outdated product. You will find that the SSDs last longer, and they are faster. However, the SSD is more prone to damages as compared to HDD. However, SSD looks like being more advanced considering the above-mentioned advantages, and fewer number of disadvantages. And hence, many people shifted to the SSD from HDD. Remember, SSD stands for solid state drives. And HDD means hard disk drive.
Answer:
Malware is a type of software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system. Malware can be spread through email attachments, online advertisements, websites, and other methods.
Some signs that malware may be impacting the performance of your computer include:
- Your computer is running more slowly than usual
- Your computer crashes frequently
- Your computer has pop-up ads or other unwanted behavior
- Your default homepage or search engine has changed without your permission
- You see new icons or programs on your desktop that you didn't install
To avoid malware, you should be cautious when browsing the internet and avoid visiting suspicious websites. You should also avoid opening email attachments from unknown senders, and be wary of online advertisements. You can also protect your computer by using antivirus software and keeping it up to date.
Answer:
a. file-naming conventions
Explanation:
File names need to follow certain criteria and constraints. Examples include:
- File names must not start with special symbols.
- File names can consist of letters,digits and special characters such as _.
- File name can contain an extension after a dot sign.
- File names must not be duplicates of an existing file.
Such constraints form part of file-naming conventions.
- file-path represents the complete path to the file in the directory structure.
- disk partition segments a hard disk into multiple volumes.
- file-path starts from the root directory and spans one or more subdirectories to the location of the actual file.
Answer:
public: virtual void print()=0;
Explanation:
An abstract class contains a pure virtual function. Pure virtual class cannot be instantiated but it can be subclassed and the subclass can provide an implementation of the function.
A virtual function declaration in the class is preceded by the virtual keyword. For example, virtual void print();
A pure virtual function declaration is followed by '=0;'
public: virtual void print()=0;
