CompTIA A+ CERTIFICATION EXAM OBJECTIVES QUESTIONS WITH COMPLETE SOLUTIONS

RAM - Answer-The temporary working storage for data and programs that are being accessed by the CPU Hard Drive - Answer-An internal storage device Optical Drive - Answer-Uses lasers to read data on optical media CPU - Answer-Responsible for executing a sequence of stored instructions called a program BIOS - Answer-A ROM chip on the motherboard that controls communication between the OS and hardware Boot Order/Sequence - Answer-Before loading the OS the BIOS checks devices that are set in a certain order Clock Speed - Answer-The rate at which the CPU processes data BIOS Security - Answer-Security measures that are taken to restrict access to the BIOS ATX Motherboard - Answer-Most popular motherboard type, 12 in X 9.6 in Micro ATX Motherboard - Answer-Popular in desktop and small form factor computers, 9.6 in X 9.6 in Mini ITX Motherboard - Answer-Designed for small devices, 6.7 in X 6.7 in ITX Motherboard - Answer-Comparable to Micro-ATX Motherboards, 8.5 in X 7.5 in PCI Expansion Slot - Answer-Legacy expansion, speeds from 133 MB/s to 533 MB/s PCI-X Expansion Slot - Answer-Expansion slot designed for servers, 1,064 MB/s PCIe Expansion Slot - Answer-Expansion slot, serial communication, speeds ranging from 250 MB/s to 2 GB/s miniPCI Expansion Slot - Answer-Expansion slot, PCI and PCIe for laptops LGA CPU Socket - Answer-CPU pins are on the socket