Set 13 Flashcards
(20 cards)
Driver Signing
A security feature that ensures device drivers are digitally verified to be from a trusted source and haven’t been tampered with.
DSL
(Digital Subscriber Line). A broadband internet technology that uses telephone lines to transmit high-speed data without interfering with voice calls.
Dual Boot
A system setup that allows two different operating systems to be installed and selected at startup.
Dual Channel Architecture
A memory feature that increases performance by allowing paired RAM modules to be accessed simultaneously.
Dual Channel Memory
Two matched RAM sticks installed in the correct slots to enable dual channel mode, doubling the data transfer rate.
Dumpster Diving
A social engineering attack where attackers search through trash to find sensitive information like passwords or documents.
Duplexing
Refers to printing on both sides of a page or the use of two drives/controllers for redundancy in computing.
Duplexing Assembly
A component in printers that physically flips paper for automatic double-sided printing.
DVI
(Digital Visual Interface). A video interface standard used to connect displays to computers, supporting analog and digital signals.
Dynamic Disks
A Windows storage type that supports advanced features like spanning, striping, mirroring, and RAID configurations.
ECC
(Error-Correcting Code). A method used to detect and correct data corruption in memory modules or during data transmission.
ECC RAM/DRAM
(Error-Correcting Code Memory). A type of RAM that includes error correction capabilities, commonly used in servers and mission-critical systems to prevent data corruption.
Effective Permissions
The actual set of permissions a user has for a file or folder, based on all inherited and explicit permissions combined.
EFS
(Encrypting File System). A Windows feature that allows users to encrypt individual files or folders on NTFS volumes for added security.
EMI
(Electromagnetic Interference). Disruption caused by electromagnetic fields from nearby electronic devices, which can affect data transfer and device performance.
EMP
(Electromagnetic Pulse). A sudden burst of electromagnetic energy that can damage or destroy electronic equipment, often from lightning or nuclear explosions.
ESD
(Electrostatic Discharge). The sudden flow of electricity between two electrically charged objects, which can damage sensitive computer components.
Embedded System
A special-purpose computing system built into a larger device, like in appliances, cars, or routers, to perform dedicated functions.
Emergency Notification
An alert system used to quickly communicate critical information during emergencies to employees or the public.
Encryption
A method of securing data by converting it into an unreadable format that requires a key or password to decrypt.