Answer: Public
Explanation:
A top level class can have a public, as top level cannot be private and protected because the modifier private is not allowed. As, top level is a class which is not a nested class. Interface of a access modifier is either public or no modifier. There are two types of access control modifier are top level - public and member level- private, protected.
Answer:
Device Driver
Explanation:
All of the other options are physical and are something that you can physically touch. The device driver runs in software and allows the computer to communicate with the device that is attached.
<h2>Upgrading and retraining are mandatory to move along with the world.</h2>
Explanation:
Let us understand the term deeply,
Upgrading - Updating yourself with the latest
Retraining - learning new skills
Let me give you a real-life example which is nothing but "mobiles". If you are not updated then:
- you will sit with mobile to make calls and
- do money transactions only by stepping into the bank,
- connect with people only through calls or directly visiting them,
- distance break up the relationship,
- booking tickets in classical way, etc.
These could be done in one touch if you have latest mobile with necessary applications.
In a similar way, we need to get retrained to get to learn new skills, technologies so that we can do our job the best, to be on track, be productive, convert your valuable knowledge in terms of money, to be peaceful in day today transactions, etc.
Answer:
Toner vacuum
Explanation:
In the process of replacing the toner cartrige for a laser printer, whenever you notice that toner particles have been split inside the printer, what you should use to effectively remove these particles is a TONER VACUUM, it is a device specially created for that purpose, after using a toner vacuum, you can use the activated toner clothe to clean the rest, after which I will advise you to use an aerosol spry to get the best result.
