TESTOUT PC PRO A+ EXAM 2025 AND PRACTICE QUESTIONS |ACCURATE ANSWERS| VERIFIED FOR GUARANTEED PASS |GRADED A |NEW VERSION.

Which statement is true regarding IDE master and slave settings? A) Both devices must be set to master B) Both devices must be set to slave C) Each device must be on a separate channel D) If two IDE devices share the same channel, one device must be set to master and the other must be set to slave Rationale: IDE channels support two devices, and to avoid conflicts, one must be configured as master and the other as slave. What are two major disadvantages to overclocking the CPU? (Select two) A) Lower power consumption B) Increased heat output C) Voided warranty D) Increased system stability Rationale: Overclocking can lead to overheating and usually voids the manufacturer’s warranty. Which of the following is NOT an example of wireless networking communications? A) Wi-Fi B) Bluetooth C) DSL D) Infrared Rationale: DSL is a wired communication method using telephone lines. Which of the following types of printer connections would connect to LPT:1? A) USB B) Serial C) Parallel D) FireWire Rationale: LPT:1 refers to a parallel port, traditionally used for printers. A D-shaped, 25-pin female port on the back of a computer is a: A) VGA port B) Serial port C) Parallel port D) Ethernet port Rationale: A D-shaped 25-pin connector is used for parallel ports. Which RAID configuration level provides increased performance using only two disks? A) RAID 1 B) RAID 0 C) RAID 5 D) RAID 10 Rationale: RAID 0 stripes data across two disks for performance but provides no redundancy. What is the advantage of hot-swapping for storage devices? A) Devices don’t require drivers B) The OS automatically detects hot-swappable storage devices, configures drivers, and enables the devices C) They require manual configuration D) Devices must be rebooted to be detected Rationale: Hot-swapping allows devices to be added without rebooting the system. You have a computer system with a Pentium IV processor that operates at 2 GHz. You would like to upgrade to a faster processor, but you don't want to replace the motherboard. What should you do first? A) Try installing the new processor B) Read the motherboard documentation to identify which processors are supported C) Update the BIOS D) Install more RAM Rationale: Always verify motherboard compatibility with the new processor. Which of the following is NOT an advantage of SSDs over HDDs? A) Faster performance B) Lower power consumption C) No moving parts D) Inexpensive Rationale: SSDs are typically more expensive than HDDs. You are providing telephone support for a user who is swapping out an old CRT SVGA monitor with a new LCD SVGA monitor. He's not sure which connector to use. How would you describe it? A) Round with 5 pins B) D-shaped with 15 pins C) Rectangular with 8 contacts D) USB connector Rationale: VGA connectors for SVGA monitors are D-shaped with 15 pins. Which of the following media types is not hot swappable? A) USB flash drive B) DVD drive with an IDE interface C) SATA hard drive D) Thunderbolt external drive Rationale: IDE devices are typically not hot-swappable. What is the maximum range of the Bluetooth 2.0 specification for Class 1 devices? A) 10 M B) 30 M C) 100 M D) 300 M Rationale: Class 1 Bluetooth devices have a maximum range of up to 100 meters. After installing two memory modules, the BIOS recognizes only one. What should you do first? A) Replace the motherboard B) Make sure both modules are seated properly in their slots C) Reset the BIOS D) Install a memory driver Rationale: Improperly seated modules are a common cause of memory detection issues. Which of the following terms refers to increasing the clock speed of a component to increase performance? A) Undervolting B) Hyperthreading C) Overclocking D) Throttling Rationale: Overclocking boosts the operating speed of a component beyond its default. You are installing a PCIe video card with a fan that doesn’t draw power from the bus. What should you do? A) Do nothing B) Connect a 6- or 8-pin power connector to the video card C) Install a second fan D) Lower the resolution Rationale: High-performance video cards often require additional power connectors. You’re taking a U.S. desktop PC abroad to Europe, where voltage is different. What should you do? A) Buy a new PC B) Move the switch on the power supply to a different voltage C) Install a new power supply D) Only use it with a UPS Rationale: Most ATX power supplies have a voltage switch for compatibility with different regions. You want to upgrade your memory with the fastest available. What should you choose? A) The largest capacity B) Choose the type supported by your motherboard C) Any DDR4 module D) ECC memory Rationale: Compatibility with the motherboard is essential for memory speed and performance. Your motherboard has sockets for 184-pin DIMM RAM. Which type should you install? A) SDRAM B) DDR-SDRAM C) DDR2 D) DDR3 Rationale: 184-pin slots support DDR SDRAM. What is the maximum data transfer speed for USB 3.0? A) 480 Mbps B) 1 Gbps C) 5 Gbps D) 10 Gbps Rationale: USB 3.0 provides a maximum speed of 5 Gbps. You installed a new hard disk, and now the DVD drive won't work. What should you do first? A) Reinstall Windows B) Make sure the DVD drive cables are connected C) Remove the hard drive D) Replace the power supply Rationale: Loose or disconnected cables are common after installing new hardware. You have just purchased a new plug-and-play sound card that uses a PCI slot. What should you do before installing it in a Windows system? (Select two) A) Check the HCL to make sure the device is compatible with the version of Windows running on your system B) Download the latest driver from the manufacturer's website C) Update the BIOS D) Disable onboard sound in the OS Rationale: Compatibility and updated drivers ensure smooth installation and function of new hardware. You have a motherboard with 4 built-in SATA connectors. What is the maximum number of SATA devices you can connect? A) 2 B) 3 C) 4 D) 6 Rationale: Each SATA connector supports one device; four connectors mean four devices. What are the advantages of DDR3 over DDR2? (Select two) A) DDR3 uses less power than DDR2 B) DDR3 doubles the data transfer rate of DDR2 C) DDR3 has more pins D) DDR3 is cheaper Rationale: DDR3 offers better performance and energy efficiency compared to DDR2. Select the voltages provided by an ATX power supply (Select three) A) 3.3V B) 5V C) 12V D) 1.5V Rationale: ATX supplies typically provide 3.3V, 5V, and 12V outputs for various components. Which would most likely cause a random system lockup? A) Faulty keyboard B) An overheated processor C) Incorrect file format D) Weak battery Rationale: Heat issues, especially with CPUs, can cause system instability. Which of the following stores important system info related to startup? A) RAM B) SSD C) CMOS memory D) GPU Rationale: CMOS stores BIOS configuration and startup settings. To configure CrossFire for gaming performance, what is required? A) Upgrade your CPU B) Purchase two identical video cards C) Add more RAM D) Use liquid cooling Rationale: CrossFire requires matching video cards to work together for graphics performance. How many devices does a single IEEE 1394 (FireWire) bus support? A) 16 B) 63 C) 127 D) 255 Rationale: FireWire (IEEE 1394) supports up to 63 connected devices. Which form factor uses a riser card instead of onboard expansion slots? A) ATX B) BTX C) NLX D) ITX Rationale: NLX form factor relies on riser cards to mount expansion boards horizontally. Which component retains BIOS settings when power is off? A) PSU B) RAM C) CMOS battery D) CPU Rationale: The CMOS battery powers the CMOS chip storing BIOS configurations. A disc is placed in an optical drive, but the OS says the drive is not accessible. What should you do? A) Restart immediately B) Wait. Then try again C) Remove the drive D) Format the disc Rationale: Delays in reading or initializing new media are common; retrying often resolves the issue. What routine checks hardware like motherboard and memory on boot? A) BIOS B) POST C) CMOS D) UEFI Rationale: POST (Power-On Self-Test) runs diagnostic checks during boot-up. To upgrade to a lower power CPU, which of these characteristics is most relevant? A) 90 Watts B) 125 Watts C) More L2 cache D) 45nm process Rationale: Lower wattage generally indicates lower power consumption. To connect to a digital monitor interface, which port should you look for? A) VGA B) DVI C) HDMI D) PS/2 Rationale: DVI is a standard digital video interface on older systems. Which situation is most likely to require a BIOS upgrade? A) Adding more RAM B) Installing a new OS C) Upgrading a processor D) Adding a hard drive Rationale: New processors often require BIOS support to function properly. When should you use the degauss feature on a CRT monitor? (Select two) A) The monitor displays strange colors B) The monitor displays distorted images C) The monitor shuts down D) Screen resolution is low Rationale: Degaussing realigns magnetic fields inside CRTs to correct image distortions. Which storage devices use magnetic media? (Select two) A) Hard disk B) Floppy disk C) CD-ROM D) SSD Rationale: HDDs and floppy disks use magnetism for data storage. You installed one RIMM in a board with four 32-bit RIMM slots. What can you do? (Select two) A) Install three continuity modules B) Install three more RIMMs C) Install one more DDR D) Install ECC RAM Rationale: RIMM systems require either RIMMs or continuity modules in all slots. You bought a used PC with a BIOS password. You want to reset it but keep other settings. What should you do? A) Remove CMOS battery B) Format the drive C) Move the motherboard jumper D) Boot into safe mode Rationale: The BIOS reset jumper allows password clearing without affecting other settings. What is a defining trait of a multi-processor system? A) Multi-threading support B) Multiple processor sockets on the motherboard C) Overclocked CPU D) RAID controller Rationale: Multi-processor systems have separate CPUs installed in dedicated sockets What is the purpose of cache memory? - ANSWER Allows a processor to access data more quickly