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62 Cards in this Set

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A _______ connects the CPU to the main memory.
System Bus
The CPU contains the ____ _____ and the _____/____ unit.
Control Unit
Arthemetic/logic unit
Converts computer output into a video signal that is sent through a cable to the monitor, which displays an image on the screen.
Video Card
Memory chips in the system Unit
RAM
An interface used to connect devices that are capeable of transfering more than one bit at a time (Ex: Printer)
Parallel Port
The name given to memory chips storing data that only can be read
Read-only memory (ROM)
Memory stores the ______, other ____ _____ _____ _____ and _____ being processed by the application programs.
Operating system
System Software Application Programs, data
The _____ is a coding scheme used primarily on mainframe computers.
EBCDIC (Extended Binary Coded Decimal Interchange Code)
Memory stores the ______, other ____ _____ _____ _____ and _____ being processed by the application programs.
Operating system
System Software Application Programs, data
The interface, or point of attachment, to the system unit
port
The computers capibility to automatically configure expansion cards and other devices as they are configured.
Plug and Play
Memory stores the ______, other ____ _____ _____ _____ and _____ being processed by the application programs.
Operating system
System Software Application Programs, data
The _____ _____ ____ are buses that eliminates the need to install cards into expansion slots.
Universial Serial Bus (USB)
The CPU...
interprets and carries out the basic instructions that operate a computer
The number of bits the CPU can process at a given time
Word Size
_____ is the process of obtaining a program instruction or data item from memory.
Fetching
A component of the CPU that directs and coordinates most of the operations in the computer
control unit
Memory chipc in the system Unit
RAM
A _____ is equal to exactly 1,024 bytes, but often is rounded down to 1,000 bytes by computer users.
kilobyte
A SCSI, or small computer system interface, port is a special high-speed parallel port used to attach ________ devices.
(Ex: disk drives, printers)
perpherial
A digit that represents the smallest unit of data the computer can handle.
Ex: One Digit
bit
A _____ is equal to approximately one million bytes.
Megabyte
____ is an example of volatile memory.
RAM
A chip that the control unit relies on that synchronizes, or controls the timing of all computer operations
System Clock
Flash memory or flash ROM is diferent from PROM because PROM can only be ________ once.
programmed
For memory, access times are measured in terms of a nanosecond (ns), which is one _____ of a second.
billionth
Motherboard is also know as
System board
The number of bits the CPU can process at a given time
Word Size
In most computers, the word size is the _____ as the bus width.
same
What is the System Unit?
A box-like case that houses the electronic components of the computer that are used to process data.
The ____ ___ is the most common and slowest expansion bus.
ISA Bus
A ____ _____ is a high-speed expansion bus used to connect higher-speed devices.
Local Bus
Intel-compatible microprocessors have the same internal design or srchitecture as ______ _______.
Intel Processors
An open area inside the system unit used to install additional equipment
Bay
Human Speech is ___, meaning it uses continuous signals to represent data and information
analog
_____ is the process of traanslating an instruction into commands the computer understands.
Decoding
8 digits grouped together
byte
_____ is the process of obtaining a program instruction or data item from memory.
Fetching
_____ is the process of writing results to memory.
Storing
______ is the process of carrying out commands.
Executing
Used to enhance the sound-generating capabilities of a personal computer by allowing sound to be input through a microphone and output through speakers
Sound Card
The interface, or point of attachment, to the system unit
port
Clock speed, the speed at which a processor executes instructions, is measured in ____ or ____ which equates to one million ticks of the system clock.
ticks or pulses
Arethmetic operations include ____,_____,_____,&_____.
addition, subtraction, multiplication, division
The _____ code is the most widely used coding system to represent data.
American Standard (ASCII)
Clock speed, the speed at which a processor executes instructions, is measured in ____ or ____ which equates to one million ticks of the system clock.
ticks or pulses
A byte is information becaise it provides enough different combinations of 0's and 1's to represent ___ individual characters.
256
A ___ ___ ___ upgrade is a processor upgrade in which the existing processor chip is replaced with a new one.
chip for chip
An interface used to connect devices that are capeable of transfering more than one bit at a time (Ex: Printer)
Parallel Port
A type of interface used to connect a device to the system unit (Ex: mouse, keyboard)
serial port
Most computers are ________, meaning they only understand two discrete states:
ON and OFF
Digital
An interface used to connect devices that are capeable of transfering more than one bit at a time (Ex: Printer)
Parallel Port
A component of the CPU that performs the execution part of a machine cycle
arthmetic/logic unit
A number system that has just two unique digits, 0 and 1
Binary System
A single chip where the CPU is located
Microprocessor
An integrated circuit is
A microscopic pathway capeable of carrying electrical current.
The Motherboard is
a circuit board where many electronic components in the system unit reside
A channel that allowa various devices inside and attached to the system unit to communicate with each other
bus
The component in the system unit that converts the wall outlet AC power into AC power.
Power Supply
______ is the process of carrying out commands.
Executing
_____ is the process of obtaining a program instruction or data item from memory.
Fetching
Has a small lever or screw designed to facilitate the installation and removal of processor chips.
Zero-insertion force