TIP OF THE DAY — WHAT ARE SD (SECURE DIGITAL) AND CF (COMPACT FLASH) CARDS?

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WHAT ARE SD (SECURE DIGITAL) AND CF (COMPACT FLASH) CARDS?

SD (Secure Digital) and CF (Compact Flash) cards are types of memory cards used to store photos and videos in cameras. SD cards are smaller, more common, and used in most modern cameras, while CF cards are larger and typically found in older or high-end professional gear. Both serve the same purpose: saving your image files safely.

WHY IS IT CALLED "SECURE DIGITAL”?

Secure Digital (SD) cards were developed in 1999 by Panasonic, San Disk, and Toshiba. The term “Secure” comes from the built-in digital rights management (DRM) technology, which was meant to help protect copyrighted content (like music or video files) from unauthorized copying.

“Digital” just refers to its function as a digital storage medium.

So, Secure Digital = a small memory card with content protection features.

Compact Flash (CF) and Secure Digital (SD) cards are two popular types of memory cards used in cameras. Both store image and video files, but they differ in size, speed, and compatibility.

Want to dive deeper into SD and Compact Flash cards? Click here…

WHY IS IT CALLED  "COMPACT FLASH"?

Compact Flash (CF) was introduced by San Disk in 1994. The name comes from two ideas:

• Compact = smaller than the hard drives used at the time.

• Flash = refers to the flash memory it uses to store data (a type of non-volatile memory that doesn’t need power to retain information).

So, Compact Flash = a small, durable card that uses flash memory to store data.

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