This document discusses factors to consider when purchasing a new computer. It outlines important hardware components and notes that users should determine the purpose, budget, and preferred size, brand, and operating system. Key factors include usability, budget, branded vs assembled systems, desktop vs laptop, operating system, and optional peripherals. Hardware components that impact performance are identified as the case, CD/DVD drive, hard drive, memory, processor, modem, sound card, graphics card, monitor, and USB ports. Careful consideration of needs and these components is advised when selecting a new computer.

1. PURCHASING A COMPUTER
BY
YOUSUF VALI

2. CONTENTS
INTRODUCTION
 FACTORS TO BE CONSIDERED TO BUY A NEW
COMPUTER
 IMPORTANT HARDWARE COMPONENTS

3. INTRODUCTION
MANY PEOPLE FIND DIFFICULT TO COMPARE
PRICES, FEATURES TO MEET THEIR
REQUIREMENTS

4. FACTORS TO BE CONSIDERED TO BUY A
NEW COMPUTER
 USABILITY: YOU SHOULD KNOW FOR WHAT
PURPOSE YOUR PURCHASING COMPUTER.
 YOUR BUDGET:
PUT THIS STEP AT TOP & DECIDE WHICH TYPE
OF COMPUTER YOU WILL BUY.
 BRANDED VS ASSEMBLED:
BRANDED COMPUTERS ARE TESTED &
APPROVED BY MANUFACTURER.
ASSEMBLED PARTS ARE MIXED WITH BRANDS.

5.  SIZE: SOME PEOPLE PREFER LARGER SCREEN
& OTHERS PREFER SMALL SCREENS.DEPENDS
ON THEIR ROOM SIZE.
 DESKTOP/ LAPTOP:
 YOU NEED TO DECIDE WHETHER YOU WANT
LAPTOP/ DEKTOP.
 IF YOU WANT TO WORK FROM ANY WHERE
BETTER TO PURCHASE LAPTOP.

6.  OPERATING SYSTEM :
IT IS MAIN REQUIREMENT TO BE CONSIDERED
WHEN YOU PURCHASE A COMPUTER.
 EX: UBUNTU, KUBUNTU, LINUX, SOLARIES,
MACINTOSH, WINDOWS.
 PERIPHERALS:
 THE DEVICES LIKE: PRINTERS, SCANNERS CAN
INCREASE OR REDUCE YOUR PRICE FOR
PURCHASING A COMPUTER.
 EX::: OUR LAB--------> N-computing s/w

7. HARDWARE COMPONENTS
 CASE: DESKTOP/LAPTOP CASE(PROTECTION).
 CD MEDIA: CHOOSE DVD/ CD-RW UPTO
YOUR REQUIREMENT.
 HARD DRIVE: DEPENDS UPON YOUR WORK
 MEMORY: DEPENDS ON RAM SIZE,
COMPUTER WILL WORK FAST.

8. CASE CD-DRIVE

9. HARD DRIVE MEMORY

10.  PROCESSOR: THE PROCESSOR IN A
COMPUTER ARE EMBEDED IN A SMALL DEVICE
CALLED MICROPROCCESSOR.
MODEM: IT’S NOT IMPORTANT UNLESS YOU
HAVE A BROADBAND.
SOUND CARD: FOR VERY GOOD SOUND
QUALITY, GO FOR ADVANCED SOUND CARD.

11. PROCESSOR MODEM

12.  GRAPHIC CARD: THE GRAPHIC COMPONENTS
ARE PART OF YOUR COMPUTER THAT
CONTROL HOW GRAPHICS DISPLAY IN YOUR
COMPUTER
MONITOR (VGA) : MANY TYPES OF
MONITORS ARE AVAILABLE. (CRT, LED, LCD).
 USB PORTS: USING USB PORTS, WE CAN
CONNECT TO EXTERNAL DEVICES.

13. SOUND CARD GRAPHICS CARD

14. CRT LED

15. LCD USB PORT