KYC Flashcards
What is a computing device?
A device that accepts data from the user, processes it, and gives the direct output.
Includes machines capable of performing calculations.
When did the evolution of computers start?
In the late 1930s.
What language did early computers use for their operations?
Binary language.
What is an abacus?
An early calculating device used for arithmetic processes.
Who developed Napier’s Bones and when?
Sir John Napier, released in 1617.
What was the primary use of Napier’s Bones?
For calculations involving addition, subtraction, multiplication, and division.
What is Pascaline?
A calculating device invented by Blaise Pascal in 1642 for addition.
What is the Difference Engine?
A mechanical device designed by Charles Babbage in 1822 capable of storing data and printing output.
What is the Analytical Engine?
The first mechanical general-purpose computer designed by Charles Babbage in 1837.
What characterizes first generation computers (1940-1956)?
The use of vacuum tubes.
What are examples of first generation computing devices?
UNIVAC and ENIAC.
What significant advancement marked the second generation of computers (1956-1963)?
The replacement of vacuum tubes with transistors.
What was a drawback of transistors in second generation computers?
They were subject to damage due to heat emission.
What programming language was commonly used in second generation computers?
Assembly language.
What defines third generation computers (1964-1971)?
The introduction of integrated circuits.
What is a high-level programming language?
A language that uses the English alphabet and mathematical symbols, easy to use and understand.
What are examples of high-level programming languages?
- Fortran
- COBOL
- BASIC
- C
- C++
- Java
What is the hallmark of fourth generation computers (1971-2010)?
The introduction of microprocessors.
What is a microprocessor?
A compact, multipurpose, programmable device that processes input and provides output.
What was the world’s first commercially available microprocessor?
Intel 4004.
What characterizes fifth generation computers (2010 onwards)?
They are based on artificial intelligence and natural language recognition.
How are computers classified based on size and speed?
- Minicomputer
- Supercomputer
- Microcomputer
What is a personal computer?
A microcomputer used by one person at a time, typically slower and with less storage than larger computers.
What is a microcomputer?
A small computer designed for individual use, typically slower and with less storage capacity than mini or mainframe computers
Commonly used in classrooms, homes, and banks.