Studied by 4 peopleENIAC
Electronic Numerical Integrator and Computer
peripheral
external computer device
input device
any device putting data into a computer
output device
any device that presents/extracts data from the computer
operating system
the software that supports a computer's basic functions
What was the ENIAC known for
Being the first large scale computer
Where was ENIAC created?
University of Pennsylvania Moore School of Electric Engineering
What are the dimensions of the ENIAC?
100ft long 3ft wide 8 ft high
What was inside the ENIAC that represented on and off/ bite
17,468 vacuum tubes
The 17,468 vacuum tubes represented what?
On and off and a bite
Everything stored in a computer is
1's and 0's
What are the two types of computers?
Analog and digital
digital
computer that functions on 0's and 1's
analog
a device or system that represents changing values; signals
Two types of memory
RAM and ROM
An application
A program designed to do a particular job.
What do computers only know?
1's and 0's + doing the programmers command
decimal system
Base 10
binary system
Base 2; 1's and 0's
Hexidecimal
Base 16
mother board
the main circuit board for a computer everything attaches to
hard disk
A data storage unit inside a computer that can store a large quantity of data (60GB or more)
CPU
Central Processing Unit; the brain of the computer.
RAM
Random Access Memory
Bus
a bunch of wires that connects a device to the mother board
Megahertz
A measure of speed, one million cycles per second.
cycle
time to complete instruction
Examples of operating systems
Windows, DOS
What is flowcharting?
a graphical way to logically solve problems
Note
Flashcard