Test: Operating System - Computer Science Engineering (CSE) MCQ

Oracle is an RDBMS (Relational Database Management System). It is known as Oracle Database, Oracle DB, or Oracle Only. The first database for enterprise grid computing is the Oracle database.

The first operating system was developed in the early 1950's. It was also called a single-stream batch processing system because it presented data in groups.

The .txt file extension is a standard text document extension that contains the unformatted text. It is the default file extension for the notepad.

The FAT stands for File allocation table. The FAT is a file system architecture. It is used in computer systems and memory cards. A FAT of the contents of a computer disk indicates which field is used for which file.

Booting in an operating system refers to the process of starting up a computer. Here's a detailed explanation:

- Definition: Booting involves loading the operating system into the computer's main memory or RAM when the computer is switched on.
- Steps:
- The computer's power is turned on.
- The system performs a Power-On Self Test (POST) to check hardware functionality.
- The bootloader is triggered, which loads the operating system.
- Purpose: Enables the computer to become operational and ready for use.

Thus, the correct answer is A: Restarting computer.

• The older MS-DOS FAT file system allows for a maximum of 8 characters in the basic file name and 3 characters in the extension, for a total of 12 characters with the dot separator.
• An 8.3 file name is what it's called.
• Because they accept lengthy file names, the Windows FAT and NTFS file systems are not limited to 8.3 file names, but they do support the 8.3 version of long file names.
• Any filename that exceeds the short MS-DOS (also known as 8.3) style naming convention is termed a large file name. 

The maximum length of the filename is 8 characters in the DOS operating system. It is commonly known as an 8.3 filename.

The first MS Windows operating system was introduced in early 1985.

The command interpreter is also called the shell.

BIOS is used by the operating system. It is used to configure and identify the hardware in a system such as the hard drive, floppy drive, optical drive, CPU, and memory.

The correct answer is the page is not present in memory. A page fault occurs, when the page is not present in the memory. If the page needed is found in the main memory and it is a non-dirty page, then it is a page hit.

Hence option C is correct.