Data Recovery Book V1.0 (Visit http://www.easeus.com for more information) DATA RECOVERY BOOK V1.0 FOREWORD ---------------------------------------------------------------------------------------------------------------------The core of information age is the information technology‚ while the core of the information technology consists in the information process and storage. Along with the rapid development of the information and the popularization of the personal computer‚ people find information
Premium Hard disk drive Serial ATA
Secondary storage is much cheaper than primary storage and is also used to back up for later use. Storage media Storage media are the physical hardware on which a computer keeps data‚ instructions and information. E.g. a CD‚ a DVD‚ a floppy disk‚ hard disk. Storage device Storage devices record and retrieve data‚ instructions and information to and from storage media. Accessing Files Serial access means the records are accessed in the order in which they were stored. To read a serial file
Premium USB flash drive Floppy disk Computer data storage
generally assumed to be the secondary memory. The secondary memory is used to store the data permanently in the computer. The secondary storage devices are usually as follows: hard disk drives – this is the most common type of storage device that is used in almost all the computer systems. The other ones include the floppy disk drives‚ the CD ROM‚ and the DVD ROM. The flash memory‚ the USB data card etc. History of Data Storage * The earliest known form of data storage was punch cards which were created
Premium USB flash drive Blu-ray Disc Hard disk drive
COMPUTER HARDWARE SERVICING NC2 REVIEWER – With oral questioning This provides examples‚ hint and basic outline of the examination of TESDA in Computer Hardware and Servicing NC II 1. LIST OF TOOLS AND MATERIALS / INVENTORY (Written) Following are examples 2. OCCUPATIONAL HEALTH AND SAFETY PROCEDURE (Written) Always ground or discharge yourself before touching any part of the computer Do not work alone so that there’s someone who can take care of you in case of accident or emergency. Be careful
Premium IP address Hard disk drive Personal computer
Introduction to Computers What is a computer? An electronic device for storing and processing data‚ typically in binary form‚ according to instructions given to it in a variable program.. Many people believe that knowing how to use a computer‚ is one of the basic skills needed to succeed in the workplace. In order to use the computer it is necessary to understand how the computer works. Hardware | Computer hardware is made up of the equipment used to make up you computer unit. These parts
Premium Computer Hard disk drive Personal computer
sound cards‚ network cards (Wi-Fi‚ Ethernet‚ Bluetooth)‚ connector cards (USB‚ FireWire‚ eSATA) and certain low-end graphics cards. 4. PCI Express x16 Slot Slot for discrete graphic cards and high bandwidth devices such as top-end solid state drives. 5. Northbridge Also known as Memory Controller Hub (MCH). Chipset that allows the CPU to communicate with the RAM and graphics card. Beginning from the Sandy Bridge generation of Intel CPUs‚ motherboards no longer have this component as it
Premium Motherboard Hard disk drive Floppy disk
computer)- monitor‚ printer Secondary storage devices- DVD R/W drive‚ removable hard drive 1 important part of the computer system consists of: CPU- interprets the commands from the computer hardware and software -contains coding like BIOS to tell what the computer should carry out RAM- internal chip where data is temporarily stored when running applications ROM- storing informations that needs to be permanent Hard disk- computer’s main memory Operating Systems * Controls the
Premium Computer Personal computer Hard disk drive
following is not a feature of the file system that might be used with a hard disk drive? A. An actuator arm 9. A student writes a report using a word processor‚ saving the report in a file called my report. The student stores the file on his laptop hard disk drive. Later‚ he posts the file on a file-sharing site for a classmate to review the report. Then‚ he copies an updated version of the file to a flash drive to submit it to his instructor. Which of the following are some of the important
Premium Personal computer Hard disk drive Universal Serial Bus
oduction CHAPTER 1: INTODUCTION TO COMPUTER AND INFORMATION TECHNOLOGY 2 Computer and Information Literacy Know how to use a computer is a basic skill Purpose : • To succeed in business • To function effectively in society To fulfill the purpose we should be a computer literate and information literate Computer literate • Must be knowledgeable in how to use a computer Information literate • Must be knowledgeable
Premium Personal computer Computer Hard disk drive
devices‚ such as disk and tape drives (www.webopedia.com). In this paper I will explore different types of storage devices and which ones are optimal for different situations. I will also explain what situations are appropriate for the following devices and explain why: a. Hard disk b. Floppy disk c. RAM d. CD ROM e. Tape Hard Disk A hard disk is a magnetic disk on which you can store computer data. The term hard is used to distinguish if from a soft‚ or floppy‚ disk. Hard disks hold more
Premium Computer data storage Hard disk drive USB flash drive