Their busiest days tend to be Mondays, so avoid scheduling a test on Monday if at all possible. Programs The rubber hits the road with programs. However, if you take just one exam, you have only 90 calendar days to complete the second exam. How do you decide which way is the best? The primary controller must contain drives that are technologically similar to or newer than drives on the secondary controller. Make sure you memorize these addresses, as you can expect to be asked about one or more of them.
The processor or microprocessor has to be installed on the motherboard of the system. . In a 16-bit system, the order of priority, from lowest to highest, is 8, 9, 10…15, 0, 1, 2…7. Lower resolutions result in grainy displays. Never install a hard drive upside down. Some cables, however, are not limited by port orientation. Select the Auto-Detect or Detect Hard Drive option these options might have slightly different names on different computers.
Signals to a device at the end of the chain must pass through all the devices in between. They are used by the processor to identify and communicate with components. However, a fiber cable does have a physical covering or sheath to protect it from physical damage. Some common connector types are described in the following sections. Power Supplies Power supplies usually come with the chassis of the computer. Like a hard drive ribbon, a floppy drive ribbon works only one way.
The computer automatically detects the device, assigns it any resources it needs, and installs the appropriate device driver. Depending on the source you use, you will find that it possibly stands for broadband network connector, Bayonet Neill-Concelman, Bayonet Neill connector, British Naval Connector, Bayonet Navy Connector, Bayonet Nut Connection. Active matrix displays are newer and incorporate a technology that allows them to provide more colors, better resolution, and a smoother display of moving objects. Which of the following ports are not used by mice? The same principle is true for parallel communication. This process is known as the dial-up. There are a few things to keep in mind when you call: 1. The Sound Card and Audio.
Usually you can obtain the flash program from the website of the manufacturer of the motherboard. A, to function properly a master drive must be accompanied by a secondary drive, is incorrect. Graphical Questions There are two types of graphical questions. You should mark your answers to questions on a separate piece of paper when you go through this book for the first time so that you may go back and retake the Self Tests as you review for the exam. Keyboards There are several types of keyboards, including 84- and 101-key designs.
Serial communications devices are easier to configure than parallel communications devices. Exercise 10-1: 11 449 449 450 450 451 451 452 452 453 454 455 455 461 467 467 470 471 476 478 483 485 489 491 496 Networks. Because parallel communications are faster at transmitting the large data packets typically sent to printers. In Part 3, we move to the next higher level of knowledge, understanding packet networks and bandwidth on demand services from telecommunication service providers. Position the video adapter card over the appropriate expansion slot on the system board see Figure 2-7.
I will never take another class where the moron in the front holds everyone back. Many of the components discussed here conform to some type of standard. The specific names of peripheral cables are almost as varied as the types of peripherals themselves. Installing and Configuring Network Cards. This is usually a fairly simple process and requires the removal of the outer system covers. You might have to move it slightly to the side to clear it of a retaining tab.
On a set schedule When the disk reports corrupted files When the computer cannot recognize the hard drive When you accidentally delete a file 18. Cables can be attached to devices using a variety of connectors. About LearnKey LearnKey provides self-paced learning content and multimedia delivery solutions to enhance personal skills and business productivity. Featuring an adaptive question-first design, CertMaster Practice quickly assesses what you already know and what you still need to learn. This system is designed specifically to help you become wilderness self-reliant. Floppy Drives Floppy drives are installed and removed in a fashion similar to hard drives.
Fortunately, most, if not all, of the unidirectional cables you will use as a technician will have a different type of connector on each end. You will also of course need to connect a power cable to the drive. Dedicated registers are usually used for specific functions such as maintaining status or system controlled counting operations. Straight-pair cables consist of one or more metal wires surrounded by a plastic insulating sheath. Your hard drive setup should look similar to the one shown in Figure 2-2. This means that they all count the same when the test is scored.