TESTOUT PC PRO A+ CERTIFICATION PRACTICE|2023/24 UPDATE|GRADED A+

Which of the following are CRT monitor characteristics? (select two) 1) CRT monitors use an electron beam that hits phosphor dots inside of a vacuum tube 2) CRT monitors have a 4:3 aspect ratio which matches the display ratio of a T.V. set. Which of the following are advantages of solid state storage compared to hard drives? (select two) 1) Lower power requirements 2) No moving parts Which optical media has the greatest storage capacity? Single-layer, single-sided Blu-ray disc. You are in the process of configuring a new computer. The motherboard has four memory slots and supports duel channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory is not configured to run in dual channel mode. What should you do? Move the modules to the correct motherboard slots You just purchased an external SCSI hard drive for your desktop workstation. What should you do before you connect it to the system? Set the drive's SCSI ID Which of the following are true regarding a dual-channel memory bandwidth configuration? (select two) 1) The memory controller must support dual-channels. 2) Bandwidth is increased by 5-15% Which of the following is true of LED monitors? LED monitors use LED backlight technology. Which of the following standards provides for data transfer rates up to 480 Mbps with a max cable length of 5 meters? USB 2.0 Which of the following are characteristics of Bluetooth? (select two) 1) 2.4 GHz radio wireless 2) Ad hoc connections You have installed a new computer with a dual core 64-bit processor, 6 GB of memory, and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory available in Windows. What should you do? Install a 64-bit version of the operating system Which feature on Intel chips allows a single processor to run two threads in parallel, instead of processing single threads linearly? Hyper-threading When do you need to upgrade the system BIOS? Whenever a BIOS update provides functionality not currently supported that is required by the OS or hardware Which of the following use Centronics-type connectors? Parallel Which of the following is an advantage to purchasing a computer with video and audio integrated onto the motherboard? Lower overall system cost Which of the following would indicate when a system case cover is removed? Chassis intrusion detection A portable computer connected to a printer with an infrared interface works fine inside your office. However, when you go outside it works sporadically. How can you fix this? (select two) 1) Block any direct and reflected sunlight from the pathway between the PC and printer 2) Move the printer closer to the computer Which of the following functions are not associated with a CNR? Video Which of the following drive configurations uses striping without fault tolerance? RAID 0 You want to purchase a home theater. Which hardware selection criteria would be most important for this system? (select two) 1) Home Theater PC (HTPC) form factor 2) Video card with HDMI output What is the approx bus speed of DDR2 memory rated at PC2-5300? 333 MHz Which of the following types of SCSI termination uses voltage regulators in conjunction with resistors to terminate the SCSI bus? Active Termination Which of the following will most likely contain SODIMM memory? Notebook computers Which of the following statements are true about the DisplayPort interface for connecting video monitors to computers? (select two) 1) DisplayPort uses a lower voltage than DVI or HDMI 2) DisplayPort can send both video and audio signals over the same cable You are purchasing a PC system that will be used as a file and print server in a small business. Which hardware selection criteria would be most important for this system? (select two) 1) 64-bit multi-core processor 2) RAID 1+0 array Which of the following is an advantage of serial ports over parallel ports? Serial ports can send data over longer distances