What does a computer do?
Stores data
Retrieves data
Processes data
Edits data
The Chinese abacus was what?
Calculator
Computer
Clock
What type of device was the antikythera mechanism?
Calendar
Blaise Pascal Wilhelm Schickard( Blaise Pascal, Wilhelm Schickard ): First commercialized calculator Wilhelm Schickard Blaise Pascal( Wilhelm Schickard, Blaise Pascal ): First mechanical calculator
Who developed the punch card system used for the US census
Joseph Jacquad
Herman Hollerith
John Bardeen
Konrad Zuse developed the first programmable computer (Z1) and the first commercialized computer (Z2)
Who invented the transistor?
Walter Brattain
William Shockley
Felix Bloch
Who worked with stored-program with RAM?
Tom Kilburn
Frederic Williams
Allen Cormack
Godfrey N. Hounsfield
Integrated circuit Jack Kilby: Germanium Silicon( Germanium, Silicon ) Robert Noyce: Silicon Germanium( Silicon, Germanium )
Another name for integrated circuit is microchip
When did the first personal computers come out?
1960's
1970's
1980's
1990's
Who developed the mathematical principles for CT imaging?
Robert Ledley
Edward Purcell
Who developed the prototype for CT?
The first full-body CT scan was overseen by Edward Purcell
Edward Purcell and Felix Bloch discovered methods to precisely measure nuclear magnetic resonance
Gen 1: ❌ Gen 2: ❌ Gen 3: ❌ Gen 4: ❌
How do change analog to digital?
AC converter
AD converter
DA converter
DC converter
There are eight four two sixteen( eight, four, two, sixteen ) bits to a byte
In binary, what does 1 and 0 represent?
1 = On 0 = Off
1 = Off 0 = On
What is the binary number? \[1x2^3 + 0x2^2 + 0x2^1 + 1x2^0\]
1001
1101
1011
0111
What is the arabis number? \[1x2^3 + 0x2^2 + 0x2^1 + 1x2^0\]
8
9
12
10
Binary number is read from left right( left, right ) to right left( right, left ) Binary number is written right left( right, left ) to left right( left, right )
Peripherals are apart of what?
Hardware
Software
Convolution Deconvolution( Convolution, Deconvolution ): process which modifies pixel values so that the image may be changed Deconvolution Convolution( Deconvolution, Convolution ): putting everything back the way it was
CPU Motherboard( CPU, Motherboard ): Brain of the computer Motherboard CPU( Motherboard, CPU ): Heart of the system
What contains or is connected to all parts of a computer?
Motherboard
CPU
CMOS
BIOS
What does BIOS do?
Store information
Runs hardware
Runs software
Moves data from location to location
Runs diagnostics on peripheral devices
CMOS Operates under battery standby( battery, standby ) power when power is lost Operates under standby battery( standby, battery ) power when power is shut off
RAM SAM( RAM, SAM ): data is accessible in any order SAM RAM( SAM, RAM ): data is read in order
RAM has volatile data
