Alternatively referred to as a bus slot or expansion port, an expansion slot is connection or port located inside a computer on the motherboard or riser board that allows a computer hardware expansion card to be connected.
Posts Categorized: MICROSOFT MTA O/S
Power Supplies Okay, now that we’ve tested our AC outlet and put some protective power devices into play, let’s go ahead and talk power supplies.
You may not typically handle the insides of your computers, but if your business requires knowledge of Central Processing Units (CPU), then you’ll also need to learn about CPU sockets
Computer port In computer hardware, a port serves as an interface between the computer and other computers or peripheral devices.
What does a hard drive do? Storage is the hard drive’s responsibility. Everything you keep on your computer is on a hard drive.
What Is Memory, or RAM? System memory, frequently called main memory or RAM (Random Access Memory), is a type of computer memory that can be accessed randomly.
Definition – What does Malicious Software (Malware) mean? Malicious software, commonly known as malware, is any software that brings harm to a computer system. Malware can be in the form of worms, viruses, trojans, spyware, adware and rootkits, etc., which steal protected data, delete documents or add software not approved by a user.
Wireless encryption protocols include:
Common networking command-line tools include the following:
Bluetooth is a short-range technology aimed at simplifying communications and synchronization among network devices. Bluetooth is divided into three classes:
Wireless Ethernet Versions: (Name – Data Transfer Rate – Frequency)
Cabling Standards include:
Networking Protocols include: FTP – File Transfer Protocol : Port 21
Exam Cram: LAN = Local Area Network WAN = Wide Area Network MAN = Metropolitan (or Municipal) Area Network PAN = Personal Area Network
[bs_icon name=”glyphicon glyphicon-chevron-right”] Custom PCs include: Audio/Video workstations – needs special A/V cards, fast hard drives and multiple monitors
#1 DON’T CRAM #2 DO PLAN #3 TAKE A BREAK #4 MIX IT UP #5 PICK YOUR TOPICS #6 FIND PRACTICE TESTS #7 USE TEST PREP MATERIALS
Wireless encryption protocols include :
Switches connect computers together in a LAN.
ATX 12V 2.x Power Supplies connect to the motherboard by way of 24-pin cable + 4-pin for CPU and 6 or 8-pin for video. Advantages of the ATX motherboard The ATX motherboard includes advanced control facilities, where the BIOS program continually checks the CPU temperature and voltages, the cooling fans RPM, etc. If… Read more »
IPv4 addresses are 32 bit dotted-decimal numbers (like 192.168.1.1) and can be statically (manually) inputed or dynamically (automatically) assigned by DHCP.
CompTIA 6-Step Troubleshooting Process:
Short for Universal Serial Bus, USB (pronounced yoo-es-bee) is a plug-and-play interface that allows a computer to communicate with peripheral and other devices.
Optical disc drives use removable media to store and retrieve data, typically 5.25”.
No network connectivity?
Hard Disk Drives are nonvolatile (meaning they don’t lose data when power off) devices that store data, generally 3.5”. Types of HDD include:
RAID stands for Redundant Array of Inexpensive Disks. RAID 0 is striping, RAID 1 is mirroring , RAID 5 is striping with parity, RAID 10 is mirrored sets in a striped set. [bs_icon name=”glyphicon glyphicon-arrow-right”] RAID 0 is not fault-tolerant. If RAID 1 uses two disk controllers, it is disk duplexing. … Read more »
Sound cards connect as x1 PCIe or PCI cards and normally have PC 99 color-coded 1/8” mini-jacks for I/O and speakers, and optical I/Os known as S/PDIF (example: TOSLINK). Alternatively referred to as an audio output device, sound board, or audio card. A sound card is an expansion card or IC for producing sound… Read more »
Video cards connect to motherboards by way of x16 PCIe (most common, typically black), AGP (brown), or PCI (white) expansion slots.
Random Access Memory (RAM) types include SDRAM, DDR, DDR2, DDR3, RDRAM and SODIMMs.
The Central Processing Unit (CPU) or processor takes care of all calculations.
Motherboards – Connect everything together. Typical form factors include ATX (most common), microATX, ITX, and BTX.