Computer Science

Present-day computers are primarily based on digital technology, which uses binary (0s and 1s) to process and store data. This is in contrast to analog or hybrid technologies.

The Page Up key in Microsoft Word moves the cursor up by one screen (the visible portion of the document), not by an entire page or a single line/paragraph.

PDF stands for 'Portable Document Format,' which is a file format developed by Adobe to present documents independently of software, hardware, or operating systems.

An operating system is often compared to a government because it manages computer resources, controls operations, and coordinates communication between hardware and software, similar to how a government manages a country.

Portrait and Landscape refer to the direction in which a page is oriented for printing or viewing, which is known as page orientation. They do not refer to paper size or layout.

The term 'peopleware' refers collectively to the people involved in the design, programming, operation, and maintenance of computer systems. It distinguishes the human component from hardware and software.

The DB-25 parallel port found on computers is typically a female connector, designed to accept a male plug from a printer cable or other peripheral device. It was commonly used for printers and older hardware connections.

PHP stands for 'PHP: Hypertext Preprocessor.' The acronym is recursive, but 'Hypertext Preprocessor' is the correct expansion of PHP in this context.

PDA stands for Personal Digital Assistant, which refers to a handheld device that combines computing, telephone, internet, and networking features.

PNG stands for Portable Network Graphics and is a file extension used for image files. It is commonly used for lossless image compression.