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For example, a key may open the first door, but a personal identification number entered on a number pad opens the second. [5] Other methods of opening doors include proximity cards or biometric devices such as fingerprint readers or iris recognition scans. Time of flight sensors are used in high security environments.
A hardware backdoor is a backdoor implemented within the physical components of a computer system, also known as its hardware.They can be created by introducing malicious code to a component's firmware, or even during the manufacturing process of a integrated circuit, known as a hardware trojan.
In most cases, a door's interior matches its exterior side. But in other cases (e.g., a vehicle door) the two sides are radically different. Many doors incorporate locking mechanisms to ensure that only some people can open them (such as with a key). Doors may have devices such as knockers or doorbells by which people outside announce their ...
It can save so many lives.
A backdoor is a typically covert method of bypassing normal authentication or encryption in a computer, product, embedded device (e.g. a home router), or its embodiment (e.g. part of a cryptosystem, algorithm, chipset, or even a "homunculus computer"—a tiny computer-within-a-computer such as that found in Intel's AMT technology).
[19] [failed verification] The capacity of a hard disk drive, as reported by an operating system to the end user, is smaller than the amount stated by the manufacturer for several reasons, e.g. the operating system using some space, use of some space for data redundancy, space use for file system structures.
A suicide door on a Delahaye Type 135 Lincoln Continental with rear suicide doors, left-side doors open. A suicide door is an automobile door hinged at its rear rather than the front. [1] Such doors were originally used on horse-drawn carriages [2] but are rarely found on modern vehicles, primarily because they are less safe than front-hinged ...
When standing outside, a left-handed door opens from left to right (when closed, the handle is on the far left), and a right-handed door opens from right to left (when closed, the handle is on the far right). These relationships are sometimes described with the letters O and X, where O is the fixed panel and X is the sliding panel.