Explanation

• The Control Unit (CU) is a part of the CPU that manages and directs all computer operations.
• It fetches instructions from memory, decodes them, and coordinates execution by other units.
• Ensures smooth operation of arithmetic, logic, and input/output processes.

Last verified on 09-02-2026

Explanation

• ERIC (Education Resources Information Center) is an online education database.
• It provides access to research papers, journals, and education materials.
• It is widely used by students, teachers, and researchers.
• It is funded by the U.S. Department of Education.

Last verified on 01-05-2026

Explanation

• RAM stands for Random Access Memory
• It is a type of fast, temporary computer memory
• It is essentially short-term memory 
• It is the hardware in a computing device where the operating system (OS)

Last updated by NA on 26 April 2026

Explanation

• LAN is ideal for connecting computers in closely located buildings, such as within a campus or office block.
• LAN stands for Local Area Network.
• It offers high speed and cost-effective connectivity over short distances.

Last verified on 19-04-2026

Explanation

• A Modem (Modulator-Demodulator) converts digital signals into analog signals and vice versa.
• It is used to connect computers to the internet via telephone lines or other networks.

Additional information:

• Switch – connects multiple devices in a network
• Hub – basic network connector
• Repeater – boosts signal strength
• Router – directs internet traffic

Last verified on 19-04-2026