IT Glossary
Browse the glossary using this index
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.. (navigation command)From a Windows command prompt, the two dots (..) represent the parent directory. | |
.batA file extension used with a batch file (a file that has multiple commands that, when executed, run one after another). See also batch file. | |
.js | |
.NET CoreUsed for the cross-platform version of Windows PowerShell. | |
.ps1 | |
.py | |
.shAn extension used with a shell script or a text file that has a sequence of commands for a Unix-based system. | |
.vbs | |
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+12 VA voltage level from the power supply that is used for drive motors, CPU, internal cooling fans, and the graphics card. | |
+5 VA voltage level from the power supply that is used for electronics, the motherboard, adapters, ports, and peripherals. | |
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1.8-inchA storage device form factor. | |
10,000 RPMA hard drive speed. The faster the drive RPM, the faster the transfer rate. | |
115 V vs. 220 V input voltage | |
15,000 RPMA hard drive speed. The faster the drive RPM, the faster the transfer rate. | |
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2.4 GHzA common frequency used for 802.11 wireless networks. | |
2.5-inchA storage device form factor. | |
2.5-inch driveA storage device form factor. | |
24-pin motherboard connectorMain ATX motherboard power connector. | |
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3.5-inch driveA storage device form factor. | |
32-bit architectureA device that has a processor that can handle 32 bits at one time. | |
3D printerA type of printer used to create 3D solid objects out of various materials, including plastic, metal, clay, and ceramics. | |
3GThird generation of wireless cellular technology that allowed mobile devices to have faster Internet connectivity. | |
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4G | |
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5 GHzA common frequency used for 802.11 wireless networks. | |
5,400 RPMA hard drive speed. The faster the drive RPM, the faster the transfer rate. | |
568A/B | |
5G | |
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64-bit architectureA device that has a processor that can handle 64bits at one time. | |
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7,200 RPMA hard drive speed. The faster the drive RPM, the faster the transfer rate. | |
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802.11a | |
802.11ac | |
802.11b | |
802.11g | |
802.11n | |
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A/V (audio/video)A reference to sound and visual data, such as movies or stills. | |
AC (alternating current)The type of electrical power from a wall outlet. | |
AC circuit testerdevice that checks a wall outlet’s wiring. | |
accelerometerA technology in mobile devices to detect screen orientation and adapt what is shown onscreen for that viewing mode. A gyroscope measures and maintains that orientation. | |
acceptable use policy (AUP)A policy that defines rules regarding using a company network, data, and a specific application. | |
access control entity (ACE)Changes made to a monitored file or folder cannot be changed even by an administrator unless the administrator takes ownership and adds the appropriate access control entities. | |
access control list (ACL)An access control list relates to the permissions for a specific object such as what is allowed to be done to the object (such as a file or directory) by particular users or operating system processes. A means of providing a security filter where traffic is allowed or denied based on configured parameters. | |
access deniedNotifies the user that he or she must have specific security rights or be logged on as an administrator. | |
access pointA component of a wireless network that accepts associations from wireless network cards. | |
account creationIn Active Directory, select the group you want to create the account in and use the Action > New menu option. | |
account deletion | |
account settings | |
ACLSee access control list. | |
ACPI (Advanced Configuration and Power Interface)Technology that allows the motherboard and operating system to control the power needs and operation modes of various devices. | |
activation clockA timer for the Windows operating system. When creating an image, a technician must reset or re-arm the activation clock if a single activation key is used. This gives a 30-day (Windows 7) or 90-day (Windows 8/10) grace period before having to re-enter the product key. | |