1What is the oldest known analog computer?
Antikythera Mechanism
2Who designed and built the Pascaline?
Blaise Pascal
3What is the first calculator or adding machine that could be produced in quantity?
Pascaline
4Who invented the Step Reckoner?
Gottfried Wilhelm von Leibniz
5What significant contribution did Leibniz make to computing?
Binary arithmetic
6Who invented the Analytical Engine?
Charles Babbage
7What was the first fully operational working computer?
Colossus
8What was Colossus built for?
Deciphering Lorenz-encrypted messages during World War II
9Who designed the Mark I computer?
Howard H. Aiken
10What does ENIAC stand for?
Electronic Numerical Integrator and Computer
11Who developed ENIAC?
J. Presper Eckert and John Mauchly
12What is the first programmable general-purpose electronic digital computer?
ENIAC
13Who developed the transistor?
William Shockley and scientists at Bell Telephone Laboratories
14What was the first stored-program digital computer?
EDVAC
15What does UNIVAC stand for?
Universal Automatic Computer
16What was the first commercially successful general-purpose stored-program electronic digital computer?
UNIVAC
17What are the two principal parts of a computer?
Hardware and Software
18What does the binary number system consist of?
0 and 1
19What is a bit?
A single binary digit (0 or 1)
20How many bits are in a byte?
8
21What is the brain of the computer?
Central Processing Unit (CPU)
22What is the main function of RAM?
Stores information currently being processed within the CPU
23What does ROM stand for?
Read Only Memory
24What is a hard drive used for?
Storing data, such as the operating system, applications, and user files
25What is an input device used to enter characters and functions?
Keyboard
26What is a device used to move the cursor and activate functions?
Mouse
27What does CRT stand for?
Cathode Ray Tube
28What type of monitor uses liquid crystal display?
LCD monitor
29What does PACS stand for?
Picture Archiving and Communication System
30What does RIS stand for?
Radiology Information System
31What is teleradiology?
The practice where radiologists remotely read examination results and write reports
32What are the main components of computed radiography?
Imaging plate, CR reader, and digital electronics
What is the function of a photostim