A+ CompTia (Part one)

What is a EMI?

• electromagnetic Induction

• A magnetic field interfering with electronics

• External Machine Interface

• Magnetic field interfering with software

Which firmware security feature included on some PCs allow you to track the location of a stolen computer?

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You're helping a customer with a new system that they just assembled. While troubleshooting the new PC, you observe that the computer starts up but will shut itself down after operating for only a few minutes. Which of the following is MOST likely the issue?

• BSoD

• OverHeating

• Power

• BIOS settings

Which of these memory types is synchronous memory?

• SRAM

• CMOS

• EEPROM

• SDRAM

Which term refers to the type of memory that loses its contents when power isn't present?

• Nonvolatile

• Dual

• Static

• Volatile

Which of the following sockets work with an i7 processor? (Please select one or more)

• LGA 775

• LGA 2011

• LGA 1151

• AM3

What is the transfer rate of DDR3-1600? (hint: the width of all DDR SDRAM sticks is 8 bytes)

• 6,400MBps

• 12,800MBps

• 10,667MBps

• 14,933MBps

• 17,066MBps

Which of the following would be considered a disadvantage to intentional overclocking of a CPU?

• Might make your system unstable

• Voids most warranties

• Might make your system more prone to lockups and reboots

• Known to destroy CPUS

• None of the above

Under what conditions should a PC technician work inside the power supply?

• Only when its unplugged

• Anytime, because the power supply only has low-energy DC electricity that will not hurt the technician.

• Never, because the power supply has capacitors that hold electrical charges that may harm the technician

• Only when the technician is wearing an anti-static wrist strap

Which type of memory requires that unused motherboard memory slots be filled with modules that do not contain memory?

• DDR4

• SDRAM

• DDR3

• RDRAM

• DDR