MAH MCA CET 2023
MOTHERBOARD is also called the —
Answer (Detailed Solution Below)View answer ▾Hide ▴
Answer: Option B — System Board
Detailed Solution
The motherboard is the main circuit board that connects the CPU, memory and all other components.
Because it links the whole system, it is also called the System Board (or main board).
Hence System Board.
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Organization, CPU, I/O Devices — Preparation
This question tests your understanding of Organization, CPU, I/O Devices, a key topic in the Computer Awareness section. The detailed solution above uses a step-by-step approach to show the reasoning, and where available, a shortcut that helps you solve similar questions in under 90 seconds during the actual exam.
This topic covers how a computer is organised internally and how it communicates with the outside world. The central processing unit (CPU) has three main parts: the arithmetic logic unit (ALU), which performs calculations and comparisons; the control unit (CU), which directs operations; and registers, which hold data temporarily. The topic also covers the system bus (data, address and control buses), the motherboard, and clock speed. Input and output (I/O) devices are the other main part. Input devices include the keyboard, mouse, scanner, microphone, OCR, OMR, MICR and barcode readers. Output devices include monitors, printers (impact and non-impact), plotters and speakers. Exam questions often ask you to classify a device as input, output or both (such as a touchscreen), or to identify which device is used for a particular purpose, such as MICR for bank cheques. Practise the CPU and I/O device questions below. Each answer includes an explanation.