COAL lec Flashcards
(109 cards)
All of the electronic and mechanical equipment in a
computer
Hardware
used to describe computer
programs that perform a task or tasks on a computer
system.
software
System Software are?
Operating system (Linux, AMD)
Utility programs
Anti virus
application softwares
word, solid works
collection of electronic and
mechanical devices operating as a unit.
Computer system
main parts of computer system
SYstem unit , monitor, keyboard, mouse, speakers
is the main container for system
devices. It protects the delicate electronic and
mechanical devices from damage.
system unit
are devices that connect to the system
unit using cables or wireless technologies.
peripheral (Example Monitorm keyboard, printer, plotter, scanner, speakers)
two main manufacturers of processor:
AMD (Athlon and Turion )
Intel (Pentium and centrino)
A IC is supplied on a single silicon
chip. It’s function is to control all the computers
functions.
Central processing unit
a series of instructions. When a
program is run, the processor carries out these
instructions in an orderly fashion.
computer program
addition, subtraction etc
arithmetic
comparing data and acting according
to the result
logical
move data from place to place within the
computer system - memory to the processor for
addition - memory to a printer or disk drive etc.
Move
The processor is speed is measured by?
Megahertz (MHz) - I million clock ticks every second
Gigahertz (GHz) - 1 billion clocks every second
multi-core processors can have two,
three or four processor cores on a single chip. true or false
True
main computer memory.
Random Access Memory
contents of memory are lost if the
computer is turned off
Volatile
memory IC’s on a circuit board
Module
This memory is for desktop computer
DIMM’s (dual inline memory module)
this memory is sold for notebooks computer
SODIMM’s (small outline dual inline memory
module)
DDR Three tyoes of DDR
Double data Ram
DDR1
DDR2
DDR3
the main circuit board
for the computer system.
Motherboard or system board