Computer diagnostics are software programs designed to scan the hard disk and other computer hardware components of a computer system, and identify any issues that may be hampering the overall performance of that system.
An SSD is the single biggest upgrade you can give your computer, and prices have come down dramatically. Solid-state drives are so much faster because they don't have a spinning magnetic platter and moving head.
A custom-built is a computer assembled from available components, usually commercial off-the-shelf (COTS) components, rather than purchased as a complete system from a computer system supplier.
The process of manually or automatically deleting or disinfecting a computer virus, malware or other malicious program on a computing device. The process is applied to protect a computer from possible data corruption, loss or system inaccessibility.
Random access memory, a type of computer memory that can be accessed randomly; that is, any byte of memory can be accessed without touching the preceding bytes. RAM is the most common type of memory found in computers and other devices, such as printers.
System software that manages computer hardware and software resources and provides common services for computer programs. The operating system is a component of the system software. Application programs usually require an operating system to function.