| Subject | English | Welsh |
| comp., MS | boot drive | gyriant bwtio (In a PC-compatible computer, the disk drive that the BIOS uses to automatically load the operating system when the computer is turned on) |
| comp., MS | boot partition | rhaniad bwtio (The partition that contains the Windows operating system and its support files. The boot partition can be, but does not have to be, the same as the system partition) |
| comp., MS | cold boot | bwtio oer (A startup process that begins with turning on the computer's power. Typically, a cold boot involves some basic hardware checking by the system, after which the operating system is loaded from disk into memory) |
| comp., MS | early-launch boot driver | gyrrwr cychwyn lansio cynnar (An antimalware driver that loads early in the boot process, to evaluate the safety of the other drivers being loaded. Based on a comparison against historical data for those drivers, the antimalware driver returns information to the kernel, which makes initialization decisions for each driver) |
| comp., MS | master boot code | prif god cychwyn (A small amount of executable code contained in the master boot record that scans the partition table for the active partition, finds the starting sector of the active partition, loads a copy of the boot sector from the active partition into memory, and transfers control to the executable code in the boot sector) |
| comp., MS | Measured Boot | cychwyn mesuredig (A feature that validates, signs, and stores boot information in the Trusted Platform Module chip to verify the integrity of the PC) |
| comp., MS | native boot | system weithredu gynhenid (An operating-system installation and configuration that uses a virtual hard disk as the running operating system. There is no host operating system or hypervisor in a native-boot configuration) |
| comp., MS | pre-boot | cyn llwytho (Before Windows loads) |
| comp., MS | Trusted Boot | Llwytho Diogel (A customized process that identifies and fixes potential problems during PC startup) |
| comp., MS | warm boot | bwtio cynnes (The restarting of a running computer without first turning off the power) |