BPO / CORPORATE Technical Questions for an Interview

Technical Support Interview Questions

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1. What is BIOS?

Ans: BIOS stands for Basic Input-Output System and is pronounced as “Bye-Ose“. The BIOS is available on all the computers. It makes sure that all the components of the computer can function together. It has information about all the hardware components in the Computer. BIOS can also be called as a Special Software that interfaces the major hardware components of a computer with the Operating System. It is usually stored in a Flash Memory Chip on the Motherboard.

Some functions of BIOS:

1. Performs a POST (Power-On Self Test) for all the different Hardware Components in the System to make sure everything is working properly.
2. Activating other BIOS Chips on different cards installed in the computer, for example, SCSI and Graphics Cards.
3. Provides a set of low-level suiting that the Operating System uses to interface different Hardware devices. BIOS manages things in your computer like the Keyboard, Monitor, Serial and Parallel Ports especially when the computer is Booting up.
4. Manage the settings for Hard-disk drives, System Clock etc.

Sequence of things done by the BIOS when you turn on your Computer:

1. Check the CMOS for Custom Settings
2. Load the interrupt Handlers and Device Drivers
3. Initialize Registers and Power Management
4. Perform POST (Power On Self Test)
5. Display System Settings
6. Determine which devices are Bootable
7. Initialize the Bootstrap sequence

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2. What are the Hardware Components of a Desktop Computer / Laptop?

Ans: The Hardware Components of a Desktop Computer / Laptop are as follows:

1. The Processor (CPU)
2. Motherboard
3. RAM (Random Access Memory)
4. Power Supply – SMPS (Switch Mode Power Supply)
5. Hard-disk Drives
6. CD/DVD-ROM Drives
7. Floppy Disk Drive
8. Sound Card
9. Graphics (Display) Card
10. Keyboard
11. Mouse
12. Monitor

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3. What are Hard-Disk Partitions?

Ans: Partitions are used to Divide a Hard-disk drive into smaller segments as required by the user and for better management of the space in it.

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4. Difference between RAM and ROM?

Ans: RAM (Random Access Memory) – is used to temporarily store information that the computer is currently working on.

ROM (Read Only Memory) – This is a Permanent type of memory storage used by computers for important data which never changes. (Example: BIOS)

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5. What would you check if there is no sound from your computer? (Audio not working)

1. Check for cable connections
2. Check for power to the speakers
3. Check for volume control
4. Check for device drivers

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6. If a Customer complains that his computer is working really slow, what are the things you would check?

1. Check if it is taking longer than usual to start up
2. Check if it is slow with one / any particular application or slow overall.
3. Check for Spyware/Malware/Virus in the computer
4. Check the available Hard-Disk Drive Space in the computer.

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7. What is the Blue Screen of Death (BSOD)? .

Ans: A Blue Screen of Death (or just a Blue Screen Error) is an indication of a Critical System Problem wherein the Computer freezes altogether and does not respond to anything.

To rectify this problem, try Restarting the computer or Booting into Safe Mode. For more information, read this.

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8. Why are Device Drivers required?

Ans: A Device Driver (or just Driver) is a piece of software which is requied to run every Hardware Component present in the computer.

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9. Name one of the latest Computer Processors (CPU) ?

Ans: Intel Pentium Quad Core, Intel I3, I5, I7 processors.

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10. What is Ping?

Ans: Ping is a command that checks the connectivity with an IP address. For more read this article

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11. What is a Data Cable?

Ans: A Data Cable is a Thin Plastic band-like cable used to connect the Data-Devices like Hard-disk drives, Floppy Disk Drives, --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- to be continued.................................................................----------------------------------------------------------------to be continued.------------------------------------

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