Computer Hardware and Software - 1 - Free MCQ Practice Test with solutions,

Any hardware part that enables you to enter information and commands into a computer is referred to as an input device.

Any component of a computer that humans can physically touch is referred to as hardware. These are the main electronic components that go into making a computer.

The motherboard serves as a single platform to connect all of the parts of a computer. It connects the CPU, memory, hard drives, optical drives, video card, sound cards, and other ports and expansion cards directly or via cables. It can be considered the backbone of a computer.

An input device is any hardware part that enables you to enter information and commands into a computer. The keyboard, mouse, microphone, scanner, and webcam are five frequently used input methods. To enter data into the computer, you press keys on a keyboard.

The input unit of a computer feeds data to the CPU or memory.

The most common method of entering text and numerical data into a computer system is through the use of a Keyboard.

System software is the primary software that controls and coordinates the hardware and provides a platform for application programs.

Operating system is the standard term for the principal system software; system software is commonly referred to as the operating system or as system programs.

• Application software performs specific user tasks and runs on top of system software; it is not the same as system software.
• Primary Software and Property Software are not standard terms for system software.

Answer: B — Operating system.

Software is a collection of instructions, data, or computer programs that are used to run machines and carry out particular activities. It is the antithesis of hardware, which refers to a computer's external components. Applications, scripts, and other programs that operate on a device are collectively referred to as "software."

Central Processing Unit (CPU) consists of the following features −

• CPU is considered the brain of the computer.
• CPU performs all types of data processing operations.
• It stores data, intermediate results, and instructions (program).
• It controls the operation of all parts of the computer.

The Central Processing Unit (CPU), which houses all the circuitry required to process input, store data, and output results, is the brain of a computer.