Service Desk Analyst Question & Answers - Part-2

Q:- What is BIOS ? what is Size of BIOS?

A:- The Basic Input Output System, or BIOS, is a very small piece of code contained on a chip on your system board. When you start your computer, BIOS is the first software that runs. It identifies your computer’s hardware, configures it, tests it, and connects it to the operating system for further instruction. .

Q:- What is RAM ? Types of RAM ?

A:- RAM is Random access memory, Types of ram is DDR, DDR2, DDR3, DDR4.

Q:-Explain what Ram exactly does?

A:- Once we run any application it stored the data temporary in ram, once we close the application data will be erased itself because it has Volatile memory.

Q:- What is Processor ? How much voltage processor Required?

A:- Processor is heart of CPU, It processing the data whatever it receive inputs, processor required 5 Volt.

Q:- What is Motherboard ?

A:- its circuit board where all the component are mounted on it.

Q:- What is POST ?

A:- POST, short for Power On Self Test, is the initial set of diagnostic tests performed by the computer right after it's powered on, with the intent to check for any hardware related issues, if found any issue it will start beeping

Q:- What is SMPS ? Voltage of SMPS ?

A:- switch mode power supply, SMPS provide power to all CPU components. 12volte,5 volte, it has 24port.

Types of SMPS: AT, ATX, BTX

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