Dell
What are the Input devices and Output devices.
A hardware device that sends information into the CPU – Keyboard, Mouse is an
input device.
Any peripheral that receives and/or displays output from a computer – Monitor,
Printer is an output device.
What is BIOS (Basic Input Output System)
A BIOS (Basic Input/Output System) is an electronic set of instructions that a
computer uses to successfully start operating
What are the Different types of Hard drives (SATA, BATA)
SATA (Serial ATA) has a 150Mbps transfer rate, whereas the PATA
(Parallel ATA, also known as Ultra ATA) has a maximum of 100Mbps. p
What is Media of CD
There are different mediums for storage:
1. Magnetic (Floppy Disk)
2. Optical (CD-ROM)
3. Magneto-optical (CD-RW)
What is the Color of the Motherboard
A few years ago, the colour of a motherboard was determined by how it was
made, usually ending up green or brown in colour. But now we have
motherboards on store shelves in every colour, from purple to blue, green to red.
If you open a cabinet what do you find?
SMPS, Motherboard, Processor, CPU Fan, Hard disk, RAM, Cables, CD ROM,
Floppy disk drive
What is Operating System
Interface between User and hardware. An Operating System, or OS, is a
software program that enables the computer hardware to communicate and
operate with the computer software. Without a computer Operating System, a
computer would be useless.
What are the different types of Operating Systems?
GUI - Graphical User Interface - contains graphics and icons and is commonly
navigated by using a computer mouse.
e.g. System 7.x, Windows 98, Windows CE
Multi-user - A multi-user Operating System allows for multiple users to use the
same computer at the same time
e.g. Linux, Unix, Windows 2000
Multiprocessing - An Operating System capable of supporting and utilizing
more than one computer processor. e.g. Linux, Unix, Windows 2000
Multitasking - An Operating system that is capable of allowing multiple software
processes to run at the same time.
e.g. Unix, Windows 2000
Multithreading - Operating systems that allow different parts of a software
program to run concurrently.
e.g. Linux, Unix, Windows 2000
MS
Why do you go to safe mode
When we have some system errors and computer is not starting correctly or
normally, we can go to SAFE MODE (its a diagnostic mode) using which we can
possibly be correct the errors.
How do you go to safe mode
by pressing F5 or F8 when you see the words "Starting Windows" on the screen
at startup.
What is Device Manager
The Device Manager is a tool included with Windows operating systems that
allows the user to display and control the hardware attached to the computer.
How do find a computer Configuration
My computer > Right Click > Properties
Here you can check CPU & RAM Configurations, the Operating system installed
& its version.
What is the operating system Version
Variant form of operating systems.
Examples of windows versions: Windows 95/98/2000/ME/XP/VISTA(Latest
Version)
What is System restore
System restore is a disaster recovery feature in Windows Me and XP. This
feature allows the user to reset operating system files back to a previous
recorded state (known as a 'restore point').
A user might want to perform a system restore, including to repair the operating
system in case of infection by a virus or if Windows registry has become
corrupted.
Difference between System Restore and LKGC (last know good
configuration)
The LKGC represents the system’s configuration from the past boot prior to any
changes.
LKGC is basically a one time only restore option of your registry and driver
settings. Keep in mind that it just restores SETTINGS from the registry or registry
keys.
System restore is more comprehensive as it provides you a snapshot of
everything it's allowed to monitor, including the registry and system files. So even
if a driver you just installed is corrupt, the LKGC would be able to do nothing
about it, whereas system restore/driver rollback will allow you to return to your
previous state
What is Fat and NTFS
FAT, or file allocation table keeps track of all your files and helps the computer
locate them on the disk. Even if a file gets split up into various areas on the disk,
the file allocation table still can keep track of it.
"New Technology File System." NTFS is a file system introduced by Microsoft
with Windows NT and is supported by subsequent versions of Windows, such as
Windows 2000 and Windows XP.
NTFS has a number of advantages over the older file system, FAT.
NTFS includes fault tolerance, which repairs hard drive errors without displaying
error messages. It keeps detailed transaction logs, which tracks hard drive
errors. This can help prevent hard disk failure as well as make it possible to
recover files if the hard drive does fail.
What is done first Partitioning or Formatting
Formatting a disk involves testing the disk and writing a new directory structure,
or "address table," onto the disk. If you would like to erase or initialize a hard
drive, you can use a disk utility program to reformat it.
A partition is a section of a hard disk. When you format a hard disk, you can
usually choose the number of partitions you want. The computer will recognize
each partition as a separate disk, and each will show up under "My Computer" as
C/D/E Drives.
What is Recovery Console and how to go to it and what commands
to use
The Recovery Console a Windows XP feature that helps you restore your
operating system when computer does not start correctly or if it does not start at
all.
It can be installed to a hard disk as a boot menu option or started from the
Windows XP CD used for setup.
Click [Start] [Run] and type in G:\i386\winnt32.exe /cmdcons
What is RAM and ROM
RAM stands for Random Access Memory. RAM provides temporary storage
space for your computer to read and write data to be used for running
programmes.
Read-Only Memory or ROM is an integrated-circuit memory chip that contains
configuration data.
Which can not be erased.
How to go to MS Configuration
Start > Run > Type ‘msconfig’ > enter
Questions Common to both
Difference between Windows 98 and Windows XP
They are two different versions of Microsoft Operating systems.
Difference between Firewall and Anti-Virus
Antivirus is used to remove virus from infected computers or to protect computers
from getting infected by virus,
whereas firewall is used to prevent unauthorized external access to
computer/network.
Difference Between Virus and Worm
A computer virus is a small program written to alter the way a computer operates,
without the permission or knowledge of the user.
Worms are programs that replicate themselves from system to system without
the use of a host file.
Unlike worms, Viruses requires the spreading of an infected host file.