tölv

Tölva is the Icelandic word for a computer, a programmable device that processes data according to instructions. Modern tölvur range from small embedded devices to powerful servers and desktops.

Core components include a central processing unit (CPU), memory (RAM), storage (HDD or SSD), and input/output interfaces. Software, including an operating system and applications, directs hardware and enables interaction with users and other devices. Computers execute sequences of instructions, perform calculations, manage data, and communicate over networks such as the Internet.

Computers come in many forms: desktop and laptop personal computers for individual use, servers for data processing and hosting services, and embedded systems integrated into consumer electronics, automobiles, and industrial equipment. Mobile devices such as tablets and smartphones are highly capable, power-efficient computers optimized for small form factors.

Historically, computing has evolved from mechanical calculators to electronic digital computers in the 20th century, leading to the proliferation of personal computers in the late 20th century and the expansion of networks and cloud computing in the 21st century. Today, computers underpin science, industry, communication, entertainment, and daily life, while concerns about privacy, security, and responsible use guide ongoing development and regulation.