Explanation

• Primary storage, also known as main storage or memory.
• It is the area in a computer in which data is stored for quick access by the computer's processor.
• The terms random access memory (RAM) and memory are often as synonyms for primary or main storage.

Last verified on 10-08-2026

Explanation

• RAM (Random Access Memory) is installed on the motherboard of a computer.
• RAM is usually placed in DIMM slots on desktop motherboards.
• RAM temporarily stores data and programs currently being used by the CPU.
• RAM is volatile memory, meaning its contents are lost when power is turned off.

Last verified on 10-08-2026

Explanation

• A collection of system programs that controls and coordinates the overall operations of a computer system is called an Operating System.
• An Operating System (OS) manages the computer’s hardware and software resources.
• It controls CPU, memory, files, input/output devices, and running programs.
• It provides an interface between the user and computer hardware.
• Examples include Windows, Linux, macOS, Android, and iOS.

Last verified on 10-08-2026

Explanation

• A standard single-sided, single-layer DVD holds 4.7 GB of data.
• A double-layer DVD can store up to 9.4 GB.
• A single-layer HD-DVD holds 15 GB of data.
• A dual-layer HD-DVD provides up to 30 GB of storage capacity.

Last verified on 10-08-2026

Explanation

• Multi-tasking provides process and memory management services that allow two or more tasks, jobs, or programs to run simultaneously.
• The operating system manages CPU time, memory, and other resources among the running tasks.

Additional information:

• Multiprocessing refers to using two or more processors/CPU cores to execute processes.
• Multithreading allows multiple threads within a process to execute concurrently.
• Multicomputing involves using multiple separate computers or computing systems.

Last verified on 10-08-2026