CompTIA exam questions
In preparation for an operating system upgrade, a technician is tasked with installing additional memory modules in a computer. Which of the following safety steps should be performed FIRST?
A. Use safety goggles
B. Remove jewelry
C. Put on an ESD strap
D. Disconnect power
A technician has just installed two memory modules on a motherboard that supports DDR3 RAM with the bus speed up to 1600 MHz. The specifications of memory are DDR3 1066 MHz for one module and DDR3 1333 MHz for another. On which of the following bus speeds will the system function?
A. 800 MHz
B. 1000 MHz
C. 1066 MHz
D. 1600 MHz
Emily, a user, brings her laptop in and reports that it is no longer charging. Additionally, the laptop can no longer stay powered on even when plugged in. Which of the following hardware components is MOST likely in need of replacement?
A. Hard drive
B. Memory modules
C. System fan
D. Wireless card
E. System board