CH1-REVISION

What is the evolution of computers?

• Mainframe computers, supercomputers, smartwatches

• Mechanical computers, vacuum tube computers, transistor computers, integrated circuit computers, personal computers, and mobile devices.

• Abacus, slide rule, typewriter

• Analog computers, digital computers, quantum computers

Name one input device used in early computers.

• Punch cards

• Floppy disks

• Cassette tapes

• USB drives

What were punched cards used for in early computing?

• Serving as a musical instrument

• Data input and output

• Acting as a cooling system

• Used for gaming purposes

What is the abacus and how was it used in computing?

• The abacus was primarily used for communication purposes

• The abacus is a modern touchscreen device for calculations

• The abacus is a manual calculating tool with beads on rods representing place values. It was used as an early form of calculating device in computing.

• The abacus is a type of computer used in ancient civilizations

Which device is primarily used to input text and characters into a computer?

• Mouse

• Keyboard

• Scanner

• Microphone

Which of the following is an output device?

• Monitor

• Keyboard

• Mouse

What type of device is a printer?

• Storage device
• Networking device
• Input device
• Output device

Which device is used to control the cursor on the screen?

• Keyboard
• Mouse
• Trackpad
• Joystick

The slide rule was primarily used for:

• Measuring distances accurately
• Performing mathematical calculations
• Playing music
• Sending emails

The abacus is considered the first:

• Mechanical computer

• Electronic calculator

• Manual computing device

• Digital computer