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
What is a NAS device? A NAS device is a network-attached storage device which is an external storage unit in the form of a computer that usually has one or two hard disks‚ and is used solely for filed based storage‚ and operates over a network of computers. NAS devices are both controlled and configured over the network usually using a (Wikipedia‚ n.d.) (htt) browser. What is the speed of the network adapter available on a NAS device? The speed of NAS devices are very flexible depending on
Premium Serial ATA Computer Hard disk drive
Computers (PCs) or Desktop Computers. These are relatively small and inexpensive. They consist of a single processor or a chip The system is normally made up of the microprocessor‚ keyboard‚ VDU one or two floppy disk drives‚ a printer and a hard disk drive. It has a hard disk capacity of 20Mb to 520Mb May use a colour or monochrome cathode ray tube (CRT) Have capabilities for networking. They are single user. They occupy little space. They are capable of multiprogramming.
Premium Personal computer Computer Mainframe computer
over hard disks as storage media? HARD DISK Advantages Large storage capacity Stores and retrieves data much faster than a floppy disk or CD-ROM Data is not lost when you switch off the computer Usually fixed inside the computer so cannot get mislaid. Cheap on a cost per megabyte compared to other storage media. Hard disks can be replaced and upgraded as necessary Can have two hard disks in a machine‚ one can act as a mirror of the other and create a back up copy. Disadvantages Hard disks
Premium Computer Computer software Computer program
the Content Tab 9 Using the Advanced Tab 10 Configure and Troubleshoot Basic Devices Such as External Hard Drives and USB Thumb Drives 13 External hard disks 13 Internal hard disks 14 Note 14 Preparing to use a new hard disk 15 USB Drive Troubleshooting 15 Configure Disk Management 17 How to Access the Disk Management Utility 17 Deleting a Disk Partition 19 Creating a Disk Partition 20 Formatting a Partition 24 Resizing a Partition - Extending & Shrinking 25 Changing
Free Windows Vista Microsoft Windows Hard disk drive
Data Input Methods Optical data readers The best data input method for printed questionnaires would be Optical Data Readers. Optical Data Readers are a special type of scanning device to be used on documents. Optical Data Readers fall under two categories‚ optical mark recognition (OMR) and optical character recognition (OCR) (Stair‚ R.‚ Reynolds‚ G.‚ 2004). Printed questionnaires which‚ for instance‚ can be used for surveying groups of people regarding a particular subject can utilize OMR through
Premium Hard disk drive Computer data storage Floppy disk
Buyout Hard disk drives make up the largest sector of the information storage industry in 1999. The hard disk drive market can be classified into three separate categories‚ desktop‚ enterprise‚ and mobile. The mobile and desktop markets are expected to converge in the long run. While the desktop market represents approximately 58% of the $25 billion total hard disk drive market‚ enterprise margins were nearly double the margins in the desktop sector (10-15%). Since 1997‚ the number of disk drive units
Premium Hard disk drive Leveraged buyout Stock market
COMPONENTS OF A PERSONAL COMPUTER Can you imagine a world without computers? Computers have changed everyday life in infinite ways that we would have never imagined 50 years ago. Long ago‚ computers were primarily used to compute numbers and to do word processing. As times have changed‚ computers have also evolved to help us with our everyday tasks. Nowadays we even use our computers for personal enjoyment by using them for games and finding information on the Internet. One way computers
Premium Hard disk drive Personal computer Computer
accidentally deleted. From time to time‚ you’ll want to purge the recycle bin to free up space on your hard disk. You can also configure Windows so that it doesn’t use the recycle bin at all‚ but then you won’t be able to retrieve accidentally deleted files. Items in the Recycle Bin remain there until you decide to permanently delete them from your computer. These items still take up hard disk space and can be undeleted or restored back to their original location. When it fills up‚ Windows automatically
Premium Microsoft Windows Windows Vista Operating system
are similar. The basic components of a typical HDD are as follows (see Figure 9.9): ■ Disk platters ■ Read/write heads ■ Head actuator mechanism ■ Spindle motor (inside platter hub) Chapter 9 ■ Logic board (controller or Printed Circuit Board) ■ Cables and connectors ■ Configuration items (such as jumpers or switches) Hard Disk Platters (Disks) An HDD has one or more platters‚ or disks. Hard disks for PC systems have been available in several form factors over the years. Normally‚ the
Premium Hard disk drive Floppy disk