1. Compact Disc Recordable (CDR) is a write-once-read-many (WORM) disc.

2. CD-R stands for Compact Disc Recordable and is a digital optical disc storage format.

3. A CD-R disc is a compact disc that can be written once and read multiple times freely.

1. Rajasthan Government has started the online service of “Raj e-Vault”.

2. The Rajasthan Government has launched a digital document manager in the form of an online portal “Raj e-Vault”

3. Once you have created your e-vault, all the documents which are related to the government.

4. Visit the official website of Raj e-Vault using your Aadhaar ID; An OTP will be sent to your registered mobile number. Enter the OTP and start uploading your documents.

1. Optical fibres use total internal reflection to transfer data. The primary condition for total internal reflection is that the signal must travel from an optically denser medium to an optically rarer medium. Secondly, the angle of incidence must be greater than the critical angle.

1. According to the IT Act, Section 67 prevents the publication of obscene material.

2. Under Section 67 of the IT Act, if any objectionable video of any kind is posted on the internet, there is a provision to take action against the person.

1. IP address (Internet Protocol address) is a digital address used to identify a computer or device on the Internet or any other network.

2. IP address is a set of four numbers. It is in this format 191.150.1.38. Is visible in. The set of numbers for an IP address ranges from 0 to 255. That means the IP address ranges from 0.0.0.0 to 255.255.255.255.

In SQL, the DROP TABLE command is used to remove a table from the database. When you execute DROP TABLE, it deletes the table along with all its data, indexes, triggers, constraints, and permissions. It should be used with caution as it permanently removes the table and all associated objects from the database.

1. Personal email account Microsoft Exchange is usually used to download e-mail to your computer.

2. Microsoft Exchange Server is Microsoft's email, calendaring, contacts, scheduling, and collaboration platform.

3. It is deployed on the Windows Server operating system (OS) for business use.

4. Microsoft designed Exchange Server to provide users with access to the messaging platform from mobile devices, desktops, and web-based systems.