Hardware Flashcards
What is a computer?
A digital electronic device that executes programmed instructions, called computations.
What does a computer system include?
Hardware, operating system, and peripheral devices.
What was the first printing calculator, and when was it developed?
The first printing calculator was developed in 1853.
What was the Differential Analyzer?
A general-purpose mechanical computer developed in 1931.
Name three early computing machines.
Z3, Phoenix, and Harvard Mark 1 (ASCC).
What is a central computer, and who uses it?
A mainframe used by large organizations for critical applications.
List three characteristics of central computers.
Centralized resources, time-sharing systems, and non-user-friendly terminals.
Name the components of a microprocessor.
ALU (Arithmetic Logic Unit) and Register Bank.
What was the first microprocessor, and what was its specification?
Intel 4040, a 4-bit CPU.
How do modern microprocessors compare to earlier mainframes?
They have similar power but are over 1/1000th the cost.
What are personal computers (PCs)?
Digital devices designed to execute commands for processing data
What systems emerged in the 2000s due to the internet’s growth?
Mobile Computers and Quantum Computers.
How are computers classified?
Into six main categories: Supercomputers, Mainframes, Servers, PCs, Mobile Computers, and Quantum Computers.
What is a supercomputer?
A system with performance measured in FLOPS (Floating-Point Operations Per Second).
What is a mainframe?
A system used by organizations for critical functions like large data processing.
