Test 1 Hardware
A 32-bit operating system allows for 4gb maximum of memory.
64-bits allows for 128 gb maximum of memory
What does BIOS stand for?
Basic input output system. Connects all the hardware and you can use a boot device to install windows
MCC
CPU will request memory from the MCC. Gets it from the address bus. It has special circuitry that allows it to grab the contents of the line of RAM and give it to the EDB. CPU requests memory from the MCC. The MCC grabs it and places it on the EDB. The processor calls for data -> Address bus tells mcc data to get -> mcc gets data -> gives it to edb -> takes it to CPU
What does CMOS mean?
Complementary metal oxide semiconductor. Maintains the clock(date and time) on the computer, stores the information that describes certain device parameters, has it own battery.
Northbridge
Controls RAM, Graphics card, CPU, Heat sink.
System crystal/clock
Determines the speed of the CPU and the rest of the PC that the PC operates at.
ESD
Electric Static Discharge. A bracelet is worn to protect motherboard.
EDB
External data bus. Enables external devices and components to connect with a computer
True or False DIMM can be used on a 64 bit operating system only
False because it can also be used on a 32-bit operating system.
True or False: The standard RAM for a computer today is SRAM
False, SDRAM is the standard/most common
True or False: Does a hard drive have NVRAM
False, hard drive have a more permanent
DRAM has a maximum of 188 pins true of false
False, it is 240 pins
CMOS is a NVRAM true or false
False, referring to NVROM, all ram is temporary
Overclocking
Forcing CPU to run faster than it was intended.
Dual inline memory module
Goes in both sides. has a maximum of 288 pins. Does not have to be installed in pairs.
What devices does the main memory use for virtual memory?
Hard drive
Southbridge
Keyboard, mouse, audio, speakers, microphone, CD ROM, USB, Ethernet, connects to CMOS
.Small outline DIMM called SO-DIMM, where is it used only
Laptops only use SO-DIMM. Half the size
List 6 Ports from the back of the PC
NIC card (ethernet is the cable) USB VGA DVI HDMI PS/2 eSATA
NVROM
Non volatile ROM. Unchageable
What does ddr3 stand for?
RAM Double data rate 3 Used today
List 6 internal parts of the PC
RAM Hard drive Power supply North Bridge South Bridge Audio/Input Jacks
ROM
ROM = firmware = code = instructions; doesn't rely on electricity to retain info, can't change info on it
Name 1 volatile RAM
SDRAM OR DRAM OR DIMM
SDRAM
Synchronous dynamic ram. Fastest
What's the difference between the EDB(External Data Bus) and the Address bus?
The MCC takes it from the address bus and gives it to the EDB and the EDB gives it to the CPU. EDB data bus is on the motherboard and sends info from peripherals. Address bus on motherboard
Describe the role of the heat sink
Thermal paste/aluminum disperse. The heat sink disperses the heat throughout the computer to cool the CPU
SDRAM is used for temporary storage True or False
True. RAM is volatile.
Dangers of overclocking processor
Voids warranty, damages computer and CPU, and can overheat computer
Name the 3 operating system for the A+ exam
Windows 7, Windows Vista, Windows 8. WINDOWS ONLY
