A person cannot perceive electricity until it has reached _______ volts
1500
The _______ was developed to simplyfy the connection of peripheral devices
USB - Universal Serial Bus
Name 4 types of data storage
- Hard Drives
- Optical Drives
- Tape
- USB Jump Drives
Oracle VirtuaBox mimics physical PCs so closely that the applications you install in them dont distinquish the virtual machine from _______
a guest computer
Name 2 types of operating systems that can be used with virtual machine technology
- Windows 7
2. Linux
Name 3 types of input devices
- Mouse
- Trackball
- Fingerprint Scanner
Use a _______ to clean the computer case
mild cleaning solution
What is the mortal enemy of a PC
heat
Name 4 toxic ingredients that a computer can contain
- Lead
- Mercury
- Cadmium
- Arsenic
Name 4 types of hard drive controllers
- SATA
- PATA
- ATA
- SCSI
What is the electronic holding place for programs and data
RAM
3 memory types used to hold BIOS firmware
- EPROM
- EEPROM
- ROM
Name 3 types of communication devices
- Modem
- NIC
- Wireless Adapter
Name4 types of I/O ports
- Serial
- Parallel
- USB
- Firewire
The _______ is the size, configuration, or physical arrangement of the PC hardware
Form Factor
True/False: The size of the bus determines how much data can be transmitted at one time
True
True/False: Changes made in the virtual machines do not affect your physical computer
True
Each cyrstal in a _______ display is like a shuteer, either allowing light to pass thru or blocking light
LCD panel
In IT _______ ususally refers to technologies for measuring and analyzing human body characteristics - such as fingerprints - for authentication purposes
Biometrics
Buses consist of two parts
a._______ and b. _______
a. data bus
b. address bus
A disk drive _______ manages the transfer of data from a motheerboard to a disk drive and vice versa
controller
Male ports on the back of a PC are this type
Serial
Female ports on the back of a PC are this type
Parallel
FireWire transfers rates up to _______ Mbps
400
