Unit #1 Computer System | Worksheet #1

A computer is an ____ device.

• electric

• electronic

• analog

• energetic

The evolution of computers started way back in the late ...?

• 1920s

• 1930s

• 1940s

• 1950s

What technology was used in second generation computers?

• Vacuum tubes

• Transistors

• Integrated Circuits

• Microprocessors

Devices like smartwatches and smartbands are called?

• Microcomputers

• Supercomputers

• Minicomputers

• Wearable Computers

___ adds logic, decision-making and data processing powers to the computer.

• Hardware

• Software

• Operating System

• Motherboard

All devices attached to a computer are called ...?

• Input Devices

• Output Devices

• Peripherals

• Extensions

What is known as a an inverted mouse?

• Joystick

• Light Pen

• Stylus

• Trackball

Which of these reads text from an image and stores it in a text file?

• OCR

• OMR

• MICR

• Scanner

OMR stands for ...?

• Optical Mark Reader

• Optical Map Reader

• Optical Math Reader

• Optimal Mark Reader

What device converts human voice into electrical signals to be processed by the CPU?

• Speaker

• Microphone

• MIDI Device

• MICR