Computer Hardware Quiz

Who invented the first mechanical adding machine?

• Gottfried Wilhelm Leibniz

• Herman Hollerith

• Blaise Pascal

• Charles Babbage

What technology replaced vacuum tubes in the second generation of computers?

• Transistors

• Microprocessors

• Integrated Circuits

• Punch Cards

Which computer was known for being programmable and capable of 5000 calculations per second?

• ENIAC

• UNIVAC 1

• Analytical Engine

• IBM 704

What is the primary function of a microcomputer?

• To perform complex computations

• To serve as a personal computer

• To manage large-scale processing

• To act as a supercomputer

What does RAM stand for?

• Read-Only Memory

• Read Access Memory

• Random Access Memory

• Rapid Access Memory

Which of the following is a type of secondary storage?

• RAM

• Cache Memory

• Hard Disk Drive

• ROM

What is the smallest unit of data in a computer?

• Megabyte

• Byte

• Bit

• Kilobyte

Which device is used for optical character recognition?

• Scanner

• Touchpad

• Mouse

• Keyboard

What is the purpose of a microprocessor?

• To input data

• To store data

• To output data

• To process instructions

What does Moore's Law state?

• The number of transistors doubles every 18 to 24 months

• The speed of computers doubles every year

• The cost of computers halves every five years

• The size of computers decreases every decade