Hey there!
Even if there isn't anyone working on the circuit at the moment, it still may be exposed and activating it could cause a variety of problems. This means that whoever is present or whatever time you would activate the circuit is irrelevant as the switch should only be thrown after permission is given.
Logically, you would need permission from whoever ordered against throwing the switch in the first place, which should be the person who signed it. I believe that your answer will be "<span>Operate this switch only after getting permission from the person who signed the tag", which is D.
Hope this helped you out! :-)</span>
Answer:
Database environment is created by storing the data and other related components.The input-output action takes place in the database when the reading and writing of the record units of block is to be done to and from disk unit to memory storage.
The database engine is responsible for reading action of the record before entering it to the memory and then stores it. If the data record unit is to be exported to the disk then output action takes place .It also helps in performing indexing ,vacuuming, portioning etc the information Thus, I/O is important for database.
Answer:
RFID scanning or Barcode reader
Explanation
Smart refrigerators have inbuilt RFID scanning technology that help monitor the stock that is inside your fridge. Once you pass your items through the inbuilt RFID scanner in the fridge, the barcode of your items is cross-referenced with a database and given a unique tag for identification. This technology helps detect and track the stock that is inside your fridge and when you start running low, the RFID can be triggered to send a reminder as a notification on your email or a text message.
Answer:
View
Explanation:
Microsoft Word refers to a word processing software application or program developed by Microsoft Inc. to enable its users type, format and save text-based documents.
In Microsoft Word 2019, the users are availed with the ability to edit the word document in the following view type;
I. View Mode
II. Print Mode
III. Drift Layout
The Microsoft Word developers has made it easy for their users to automate the tasks used frequently through the creation and execution of macros.
Basically, macros comprises of commands and instructions which may be grouped together as a single command to automatically execute a task. You can locate the Macro feature in the View tab of Microsoft Word.
