Module 01: Computer and Nursing Flashcards
(82 cards)
What was the first digital computer and when was it developed?
Colossus Mark I, developed in 1943
What was the first general-purpose computer and when was it developed?
The ENIAC (Electronic Numerical Integrator and Computer), developed in 1946
What was the first commercial computer and when was it developed?
The UNIVAC-1 (Universal Automatic Compute), developed in 1951.
What was the main use of the UNIVAC-I, and what generation does it belong to?
The UNIVAC-I was used to process the payroll of General Electric and belongs to the first generation of computers.
What technology did first-generation computers use, and what was their access speed?
They used vacuum tubes, and their access speed was measured in milliseconds.
What was the storage capacity of first-generation computers?
Less than 10KB of storage.
When were second-generation computers developed, and what technology did they use?
Second-generation computers were developed in the 1950s and used transistors.
What are examples of second-generation computers?
IBM 1401 and IBM 1620.
What improvements were made in second-generation computers compared to the first generation?
Second-generation computers used smaller semiconductors, had improved access speeds measured in microseconds, and data retrieval became faster and easier.
During the time of second generation computers, what was used to measure access speed?
Microseconds
When were third-generation computers introduced, and what was their key feature?
They were introduced in the 1950s and featured microminiature technology.
What was the access speed of third-generation computers, and how much memory did they have?
heir speed was measured in nanoseconds (billionths), and they had only 110K of memory.
What storage limitation did third-generation computers have?
Hard disks were not encased, and data were fragile and easily destroyed.
When was the Intel 8008 introduced, and why is it significant?
November 1972, making personal computers or microcomputers possible.
What invention made personal computers possible?
The invention of the microchip.
Based on the characteristics of computers. this pertains that the computer can be self-instructed and performs tasks without needing constant human intervention.
Automatic
Based on the characteristics of computers, this refers to the fact that their components are made of silicon chips and other electronic materials.
Electronic
Based on the characteristics of computers, this describes the ability to be modified and programmed to suit various needs and tasks.
General Purpose
Based on the characteristics of computers, this pertains to the pace at which they process information.
Speed
Based on the characteristics of computers, this refers to their consistency in producing the same results given the same input and instructions.
Reliability
Based on the characteristics of computers, this pertains to their ability to store data for future access and retrieval.
Storage
What can computers do?
(A) Process information fast
(B) Give accurate results
(C) Store information
(D) Restore previous work
(E) Automatic
(F) Multitask
What are the things that computers cannot do?
(A) Do what you didn’t command
(B) Generate information on its own
(C) Distinguish correct and wrong data
(D) Correct wrong instruction
What type of computer is designed for complex scientific calculations, is expensive and bulky?
Supercomputers