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What is OS?
- Operating System
- example: Windows 7
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What is ZIF?
- Zero Insertion Force
- example: a socket uses a small lever to apply EVEN force when installing a microchip into a socket.
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What does UAC stand for?
- User Account Control
- example: a dialog box in Vista/Win 7 asking to perform an action with administrative privileges.
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What is POST?
Power-On Self Test
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What is SATA?
- Serial ATA
- example: a cable connected to HDD or DVD drive (faster technology).
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What is SSD?
- Solid State Device
- example: like a HDD but runs faster (smaller in size and space capacity).
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What is TRACE?
A wire on a circuit board that connects two components or devices.
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What is Volatile? Give an example.
- Refers to a kind of RAM that is temporary, can't hold data very long, and must be refreshed.
- Example: Memory stick/module
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Explain Task Manager.
A Windows utility allowing a user to view processes running on the computer.
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What is an octet?
A term used for each of the four 8-bit numbers that make up an IP address.
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What does NIC stand for?
Network Interface Card.
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What is a cross-over cable?
- A cable used to connect two PCs into simplest network possible.
- Example: 2 Hubs connects to 2 Switches
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Explain Bandwidth.
- The RANGE of a frequency that a communications channel can carry.
- Example: Think of a pipe - the bigger the space, the more data can carry.
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What does DHCP stand for?
Dynamic Host Configuration Protocol
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What is a WAN?
- Wide Area Network
- example: city wide
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What is a MAN?
- Metro Area Network
- example: building
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What is a CAN?
- Campus Area Network
- example: business/school
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What is a LAN?
- Local Area Network
- example: Room
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What does FAT32 stand for?
File Allocation Table 32-bit
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What does NTFS stand for?
New Technology File System
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What is BIOS?
Basic Input/Output System
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What is a gateway?
A computer or other device that connects networks.
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What is IPconfig?
- A command used maining in DOS/Unix.
- example: when used can display TCP/IP configurations info.
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What is ICS?
Internet Connection Sharing
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What does HAL stand for?
Hardware Abstraction Layer
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An IDE HDD ribbon has _______ pins.
40
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An FDD Ribbon has ______ pins?
34
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What is the primary function of a power supply?
To conver AC to DC to break down 120 volts AC to 12 Volts/ +5/-5
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What is a kernel?
The portion of an OS that is repsonsible for interacting with the hardware.
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What is IP?
- Internet Protocol
- example: Rules of communication controlling data into packets and its routing processes.
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What is a heat sink?
A piece of metal with cooling fins, that can be attached to or mounted on a CPU to dissipate heat.
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What does HDD stand for?
Hard Disk Drive
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What is RAM?
- Random Access Memory
- example: installed on motherboard as a stick/module for memory
- hint: Dynamic/Voltile
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Name three internet browsers.
Internet Explorer (IE), Mozdilla Firefox, Safari (MAC).
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What is PATA?
Parallel ATA
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What is a NAT?
- Network Address Translation
- example: protocol used to connect PRIVATE IP addresses to a PUBLIC IP addresses, before a data packet is sent over the net.
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Name 3 parts of a magnetic HDD.
- 1. Sectors
- 2. Tracts
- 3. Cluster
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What is the #1 enemy of a computer?
HEAT!!!!
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What are two main things to consider when installing an OS?
Choosing between 32 bit and 64 bit compatibilities.
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What is PING?
- Packet Internet Groper
- (used as a windows/unix command)
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What is the basic equation for Power?
- P = IE
- (power equals voltage times current)
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The first part of an IP address is.....
....to identify the network.
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The second part of an IP address is.....
....identify the host.
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What does a ferrite clamp do?
Acts as a filter to protect against eletrical interference.
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What is email port 25 and 110?
Indicate differences.
- Port 25 = SMTP (Simple Mail Transport Protocol)
- Port 110 = POP3
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What is an example of a form factor?
- Decribes the physical size of a computer parts.
- example: computer case, i.e. full tower, mid tower, and desktop
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What does MAC stand for?
Media Access Control
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MAC Addresses are 00.00.00.00.00.00.
What does the first 3 octets indicate?
What does the last 3 octets indicate?
- First 3 octets indicate the manufacturer's number.
- Last 3 octets indicate the unique number given to device.
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What is the typical use for port 80?
For email
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What is 802.3 used for?
Ethernet.
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What are the 3 main components of the processor?
- 1. I/O Unit
- 2. Control Unit
- 3. ALU (arithmetric logic units)
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This subnet mask is in what category?
example: 255.255.0.0
Cat B
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When it comes to color-coded wiring, what is RED, BLACK and WHITE?
- RED = hot wire
- BLACK = ground wire
- WHITE = neutral
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What is a bit?
Binary digit (0s and 1s)
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What does DNS stand for?
Domain Name System/services
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What is a DIP switch?
- Dual inline package
- example: a switch on a circuit board set to on/off to hold a configuration.
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What is cmd?
means...command (used in DOS/Unix)
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What are the two main types of storage?
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What are the two main types of a PORT?
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What does GUI stand for?
- Graphic User Interface
- (example: windows OS)
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What is SHELL?
The portion of an operating system that relates to the user and application.
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What is POP?
- Post Office Protocol
- (most common is POP3, however it's being replaced by IMAP).
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