is a small handheld computer that performs simple tasks such as taking notes, scheduling appointments, and maintaining an address book and a calendar PDA.
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Explanation:</u></h3>
Personal Digital Assistant is the full form for PDA. PDAs are the computers in smaller size. They perform all works that are performed by a computer. They help you in viewing all the documents that you need, scheduling all your works,etc. They act as a mini sized computer that you can take where ever you go.
Using PDAs you can easily schedule any tasks, take notes, maintain all your contacts in address books,etc. Even though the markets of PDAs is not having higher demands because of the existence of i phones and other devices that are identical to i phones, there are still some usages and demands for PDAs. These are used in industries and businesses.
Answer:
System software is software on a computer that is designed to control and work with computer hardware. The two main types of system software are the operating system(Windows,Linux,Mac OS) and the software installed with the operating system, often called utility software (Anti virus, Disk formatting, Computer language translators) . In some cases, the operating system and utility software depend on each other to function properly.
Some system software is used directly by users and other system software works in the background. System software can allow users to interact directly with hardware functionality, like the Device Manager and many of the utilities found in the Control Panel.
Answer:
Greg can see previews of his ad in the Preview tab of his Google My Business account.
Google My Business is a free tool for businesses to manage their online existence across Google including Search and Maps. It also provides them to edit their business information which helps customers to find their business. They can also find how many customers searched for their business.
So once Greg's ad has been officially accepted, he can enter the specific keywords he’s targeting to have a generic view of the ad in the browser. Google gives examples of desktop ads using the keywords selected in the campaign to make a general preview. As Greg types his URL, headline, and description, a generic preview of mobile and desktop versions of his ad will show up.
Answer: False
Explanation: Even if the internet service is not connected with the operating system while accessing the database, it is still on risk and can be vulnerable to get attacked. Devices of the system like USB drive can happen to have the malware which creates the risk towards database.
The computer system can get invoked with the virus or other attack while the user connects the internet afterwards when he/she is not accessing the database, these malware get stored in system once they get invoked and corrupt the system and its database even when the internet connection is not present .Thus, the statement given is false.
