Which of the following are removable storage devices/media? Each correct answer represents a complete solution. Choose three.

Question

Options

• ACD-ROM
• BSD card
• CHard disk drive
• DUSB Pen drive

• A
  75% (18)
• C
  25% (6)

Explanation

CD-ROM, SD card, USB Pen drive, floppy disk, etc., are removable storage media. CD-ROM (Compact Disc Read-Only Memory) is a type of removable storage optical media. It can store up to 1GB of data, although most common CD-ROMs store 700MB of data. It comes in a standard size and format, so users can load any type of CD-ROM into any CD drive or CD-ROM player. Once data is written to a CD-ROM, it cannot be erased or changed. SD card is a removable storage device. Secure Digital (SD) card is a non-volatile memory card format used in portable devices such as mobile phones, digital cameras, and handheld computers. SD cards are based on the older MultiMediaCard (MMC) format, but they are a little thicker than MMC cards. Generally an SD card offers a write-protect switch on its side. SD cards generally measure 32 mm x 24 mm x 2.1 mm, but they can be as thin as 1.4 mm. The devices that have SD card slots can use the thinner MMC cards, but the standard SD cards will not fit into the thinner MMC slots. Some SD cards are also available with a USB connector. SD card readers allow SD cards to be accessed via many connectivity ports such as USB, FireWire, and the common parallel port. USB Pen drive is a removable storage device. A pen drive is also known as a USB flash drive. It is a small device used to transfer data from one computer to another through USB ports. Pen drives are available in various capacities. When a pen drive is plugged into the USB port, Windows Explorer shows it as a removable drive. Answer option C is incorrect. The hard disk drive is not a removable storage media. It is installed inside the computer case. It can store large amounts of data and provides fast read/write performance. HDD can be connected to a computer with the Integrated Device Electronics (IDE), Small Computer System Interface (SCSI), and SATA interface. It consists of inflexible platters coated with material in which data is recorded magnetically with read/write heads. Note: Only external hard disk drives are removable devices.

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