Answer:
Part (a) -
The header is positioned at the top of a document or web page and contains essential meta-information for proper functioning and indexing, while the footer is located at the bottom and commonly includes copyright notices, contact information, and links, remaining consistent across multiple pages of a website.
Part (b) -
"Save" is used for updating an existing file, while "Save As" is used for creating a new file or saving a copy with a different name or location.
Step-by-step explanation:
Part (a) - Head and Footer:
In the context of documents or web pages, the head and footer are specific sections with different purposes:
Head: The head is typically located at the top of a document or web page and contains meta-information about the document, such as the title, character encoding, links to stylesheets, scripts, and other essential data that isn't directly displayed to the user but is crucial for the proper functioning and indexing of the page.
Footer: The footer, on the other hand, is usually located at the bottom of a document or web page. It contains information that is commonly found at the end of a document, such as copyright notices, contact information, links to privacy policy or terms of service, and sometimes navigation links. The footer is often consistent across multiple pages of a website.
Part (b) - Save and Save As:
These are two different commands related to saving files in various software applications, particularly in word processors, text editors, and graphic design software.
Save: The "Save" command is used when you want to save changes to an existing file that you have previously saved. When you choose "Save," the application will overwrite the existing file with the updated content, and the changes will be preserved within the same file with the same filename and location.
Save As: The "Save As" command allows you to save a file with a new name or in a different location. When you choose "Save As," the application will prompt you to specify a new filename and location for the file. This is useful when you want to create a new version of the file without altering the original. It's also helpful when you want to save a copy of the file in a different format or with different settings.