a small piece of semi-conducting material, usually silicon, on which integrated circuits are etched.
interprets and carries out the basic instructions that operate a computer.
the processor begins fetching a second instruction before it completes the machine cycle for the first instruction.
The pace of the system clock, which is measured by the number of ticks per second.
a type of processor that integrates the functions of a processor, memory, and a video card on a single chip.
consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processed data (information).
Rambus DRAM (RDRAM) chips are another type of DRAM chips that are much faster than SDRAM chips because they use ____.
Current processors include advanced transfer cache, a type of ____ built directly on a processor chip.
a cache separate from the processor chip on the motherboard.
a type of nonvolatile memory that can be erased electronically and reprogrammed, similar to EEPROM.
USB flash drive
is a flash memory device that plugs in a port like the one shown in the accompanying figure on a computer or portable device.
Fire wire port
formerly referred to as an IEEE 1394 port.
Within the circuitry of a computer, each channel along which bits transfer, called a(n) ____, allows the various devices both inside and attached to the system unit to communicate with each other.
A size that determines the number of bits that the computer can transmit at one time.
A size that detrmines the number of bits the processor can interpret and execute at a given time.
USB and Fire wire
eliminates the need to install cards in expansion slots
a componet of the system unit that converts the wall outlet AC power into the DC power a computer requires
Some external peripherals such as an external modem, speakers, or a tape drive have an ____, which is an external power supply.
basic products include: lint- free antistatic wipes and swabs, screen cleaining solution, antistatic wristband
first step in cleaning a computer
turn it off, unplug it and unplug all the cable from the ports