| Subject | English | Welsh |
| comp., MS | access control list | rhestr rheoli mynediad (In Windows-based systems, a list of access control entries (ACE) that apply to an entire object, a set of the object's properties, or an individual property of an object, and that define the access granted to one or more security principals) |
| comp., MS | ActiveX control | rheolydd ActiveX (A software control that incorporates ActiveX technology) |
| comp., MS | bound control | rheolydd rhwym (A control used on a form, report, or data access page to display or modify data from a table, query, or SQL statement) |
| comp., MS | combo box control | blwch cyfun rheoli (A standard Windows control that combines text box and list box functions) |
| comp., MS | content control | rheoli'r cynnwys (A control designed to contain content such as placeholder or sample text or images that is updated by the user, or pre-defined lists of items from which users can select) |
| comp., MS | control character | nod rheoli (A character that is inserted in right-to-left and mixed text to specify the formatting of text when the inherent directionality of the text is insufficient to display expected results) |
| comp., MS | Control key | Bysell Control (A key that, when pressed in combination with another key, gives the other key an alternative meaning) |
| comp., MS | control menu | dewislen rheoli (A menu that contains commands you can use to manipulate a window or close a program. You click the program icon at the left of the title bar to open this menu. The context menu of a window replaces this menu) |
| comp., MS | Control Panel | panel rheoli (A Windows program that collects and displays for users the system-level features of the computer, including hardware and software setup and configuration. From Control Panel, users can click individual items to configure system-level features and perform related tasks) |
| comp., MS | control tip | cyngor ar reoli (A brief phrase that describes a control, a page, or a tab. The control tip appears when the user briefly holds the mouse pointer over a control) |
| comp., MS | custom control | rheolydd personol (A form component, such as a template part or ActiveX control, that isn't included with InfoPath by default. Form designers can add or remove custom controls by using the Controls task pane) |
| comp., MS | delegate control | rheolydd dirprwyo (A control on a page or master page that can be replaced with another control or content) |
| comp., MS | directory control block | bloc rheoli cyfeiriadur (An internal NT file system (NTFS) structure in which the file system maintains the state for an open instance of a directory file) |
| comp., MS | disabled control | rheolydd wedi'i analluogi (A control that appears dimmed on a form or data access page. A disabled control cannot get the focus and will not respond to mouse clicks) |
| comp., MS | discretionary access control list | rhestr rheoli mynediad dewisol (An access control list that is controlled by the owner of an object and that specifies the access particular users or groups can have to the object) |
| comp., MS | dynamic access control | rheoli mynediad dynamig (The ability for IT pros to define how users access a system based on dynamic qualities, such as a user's location or role) |
| comp., MS | Exchange Control Panel | Panel Rheoli Exchange (A web-based management tool for Microsoft Exchange administrators and enterprise e-mail users) |
| comp., MS | expand control | mwyhau'r rheolydd (A control that, when clicked, expands or collapses a grouped record to display or hide its detail records) |
| comp., MS | form control | rheolydd ffurflen (On a Web site, an individual box or button with which you enter information on an electronic form) |
| comp., MS | group filter control | rheolydd hidlo grŵp (A drop-down list box control on a data access page that retrieves records from an underlying recordset based on the value you select from the list. On a grouped page, the control retrieves a specific group of records) |
| comp., MS | Link Control Protocol | Protocol Rheoli Dolenni (A PPP control protocol that negotiates link and PPP parameters to dynamically configure the data-link layer of a PPP connection) |
| comp., MS | list control | rheolydd rhestr (A control on a form, that repeats as needed, into which users can enter text. The control can be formatted as a bulleted, numbered, or plain list) |
| comp., MS | Mail Control | Rheoli Post (The primary navigation tab for mailflow management features in Outlook Live: Transport rules, called "rules" in Outlook Live service; Supervision policies, including closed campus supervision policy and bad words supervision policy, and anti-bullying supervision policy; IP safelisting; Domain types: hosted or shared) |
| comp., MS | navigation control | rheolydd llywio (A control which assists users in determining context and navigating the associated logical domain space, called the pagespace) |
| comp., MS | Parental Controls | Rheolaeth gan Rieni (A Control Panel icon in Windows Vista that allows parents and guardians to customize key aspects of their children's online and computing experience through the use of features such as game ratings and activity reports) |
| comp., MS | remote control | rheoli o bell (The process of viewing and interacting with an existing Remote Desktop Protocol session initiated by another user) |
| comp., MS | remote control software | meddalwedd rheoli o bell (Software designed to provide access to a computer from a remote location. These programs are often installed by the computer owner or administrator, and are only a risk if unexpected) |
| comp., MS | repeating section content control | rheolydd cynnwys ailadrodd adran (A content control that enables a user the repeat its contents as many times as the user wants to repeat it) |
| comp., MS | role-based access control role | rôl rheoli mynediad ar sail rôl (The user role that is assigned to a user account, which determines the options that are visible to that user and the tasks that the user can perform in the management interface for Exchange Labs) |
| comp., MS | system access control list | rhestr rheoli mynediad system (An ACL that controls the generation of audit messages for attempts to access a securable object. The ability to get or set an object's SACL is controlled by a privilege typically held only by system administrators) |
| comp., MS | system control area | ardal rheoli'r system (An area in the taskbar that shows icons for network connectivity, volume control, clock, and on laptops and Tablet computers, the battery) |
| comp., MS | tab control | rheolydd tabiau (A standard control that resembles a notebook and lets the user navigate different sections of information without leaving the current element on the screen) |
| comp., MS | Transmission Control Protocol | Protocol Rheoli Trosglwyddo (The protocol within TCP/IP that governs the breakup of data messages into packets to be sent via IP, and the reassembly and verification of the complete messages from packets received by IP) |
| comp., MS | Transmission Control Protocol/Internet Protocol | Protocol Rheoli Trosglwyddo/Protocol Rhyngrwyd (A set of networking protocols widely used on the Internet that provides communications across interconnected networks of computers with diverse hardware architectures and various operating systems. TCP/IP includes standards for how computers communicate and conventions for connecting networks and routing traffic) |
| comp., MS | User Account Control | Rheolydd Cyfrif Defnyddiwr (A security feature that helps prevent unauthorized changes to a computer, by asking user for permission or administrator credentials before performing actions that could potentially affect the computer's operation or that change settings that affect multiple users) |
| comp., MS | volume control button | botwm rheoli sain (A hardware button that increases and decreases the sound volume) |
| comp., MS | Web control | Rheolydd y We (A server-side component that encapsulates user interface and related functionality) |
