Tech Terms Definitions - Page 3 Of 120 - ITU Online IT Training
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Take the opportunity to learn more about the information technology industry and articles to aid you in advancing your career.

Definition: Network ScanA network scan is a process used to identify active devices, open ports, and available services on a computer network. It is a

Definition: Data-at-Rest EncryptionData-at-rest encryption is a security technique that protects stored data on devices or storage systems, such as hard drives, databases, or cloud storage.

Definition: 32-Bit vs. 64-Bit OSThe terms 32-bit and 64-bit refer to the architecture of a computer’s processor, which affects how much data it can handle,

Definition: External Hardware TokensExternal hardware tokens are physical devices used to authenticate users and secure digital access by generating unique, time-sensitive codes or acting as

Definition: Extensible File Allocation Table (exFAT)Extensible File Allocation Table (exFAT) is a file system developed by Microsoft in 2006, designed as an extension to the

Definition: Apple File System (APFS)The Apple File System (APFS) is a proprietary file system developed by Apple Inc. for its macOS, iOS, watchOS, and tvOS

Definition: Fourth Extended Filesystem (ext4)The Fourth Extended Filesystem (ext4) is a modern file system used primarily in Linux-based operating systems, designed as an improvement upon

Definition: Third Extended Filesystem (ext3)The Third Extended Filesystem (ext3) is a journaled file system widely used in Linux-based operating systems. Introduced in 2001 as an

Definition: File Allocation Table 32 (FAT32)File Allocation Table 32 (FAT32) is a file system developed by Microsoft and introduced in 1996 as an extension of

Definition: New Technology File System (NTFS)The New Technology File System (NTFS) is a proprietary file system developed by Microsoft for its Windows operating systems. Introduced

Definition: GUID Partition Table (GPT) and Master Boot Record (MBR)The GUID Partition Table (GPT) and the Master Boot Record (MBR) are two distinct partitioning methods

Definition: Types of OS InstallationsThe types of OS installations refer to the various methods by which an operating system can be set up on a

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