Primary And Secondary Storage Device

CD-ROM stands for compact disk read only memory. This term refers to a type of storage medium that uses optical technology to read and retrieve data from a compact disk. The term "compact disk" refers to the physical format of the storage medium, while "read only memory" indicates that the data on the disk is permanently written and cannot be altered or erased. CD-ROMs were widely used in the past for storing and distributing software, music, and other digital content.

A hard disk is a rigid disk that is magnetically sensitive and spins rapidly inside the computer or in a separate box connected to the computer. It is used for storing and retrieving digital information.

A storage device is a component of a computer system that is used to retain digital data or programming instructions. It can be either temporary or permanent and is used for further computing or archiving purposes. This definition aligns with the given correct answer, which states that storage refers to the use of computer hardware components and recording peripherals for retaining digital data or programming instructions.

RAM and ROM are both examples of primary storage devices. RAM (Random Access Memory) is a type of volatile memory that stores data that is currently being used by the computer. It allows for quick and temporary storage of data that can be read from and written to by the computer's processor. ROM (Read-Only Memory) is a type of non-volatile memory that stores permanent instructions and data that cannot be modified or erased by normal computer operations. It contains firmware or software instructions that are essential for booting up the computer and initializing hardware components.

The question asks for three secondary storage devices. DVD drives, CD drives, and flash drives are all examples of secondary storage devices. These devices are used to store data and information for long-term use and are not directly accessible by the computer's processor. DVD drives and CD drives are optical storage devices that use laser technology to read and write data on DVDs and CDs respectively. Flash drives, also known as USB drives, are portable storage devices that use flash memory to store data.

The correct answer is "Primary, secondary, tertiary and offline storage". This answer correctly identifies the different types of storage devices. Primary storage refers to the main memory of a computer, such as RAM. Secondary storage includes devices like hard disk drives and solid-state drives. Tertiary storage refers to devices like tape drives or optical discs. Offline storage refers to any type of storage that is not directly accessible by the computer, such as external hard drives or cloud storage.

A flash drive is a type of eraseable memory chip that can serve as a reliable, compact alternative to disk storage. Flash drives are known for their low energy consumption and quiet operation.

The answer options provided are different ways of expressing the level of understanding and study done for the test or course. "Yes" indicates that the person studied and understood the material, while "No" suggests that they did not study or understand it. "Kind of" implies a partial understanding or study, "Not very much" indicates a low level of study, and "Too much" suggests an excessive amount of study.