Essentials of Computer Systems

Which of the following best describes a computer?

• A machine that stores only text

• An electronic device that processes data into information

• A mechanical calculating device

• A machine that only stores numbers

The basic model of a computer system is:

• Input → Storage → Output

• Input → Output → Process

• Input → Process → Output

• Input → Output → Storage

ENIAC belongs to which generation of computers?

• First

• Second

• Third

• Fourth

Which component is known as the 'brain of the computer'?

• Monitor

• CPU

• Keyboard

• Hard Disk

Which generation of computers introduced microprocessors?

• First

• Second

• Third

• Fourth

In which generation of computers were transistors used?

• First

• Second

• Third

• Fourth

Which among the following is NOT an output device?

• Monitor

• Printer

• Scanner

• Speaker

The first mechanical calculator (Pascaline) was invented by:

• Charles Babbage

• Blaise Pascal

• Gottfried Leibniz

• Ada Lovelace

Arrange the following in chronological order: Abacus, ENIAC, Analytical Engine, IBM PC, Quantum Computers

What are the physical components of a computer system called?

• Software

• Data

• Hardware

• Program