20 computer questions

The main components of a computer system are:

• CPU, Memory, Input/Output devices, Storage

• Monitor, Keyboard, Mouse, Printer

• Software, Internet, Electricity, Desk

• Screen, Speaker, Webcam, Microphone

The function of the CPU (Central Processing Unit) is to:

• Process and execute instructions

• Store long-term data

• Display images on the screen

• Supply power to the computer

Second generation computers used

• Vacuum tubes

• Microprocessors

• Transistors

• Integrated circuits

Computer or Not A Computer?

• Computer

• Not a Computer

• Central Processing Unit
• Speakers
• Keyboard
• Hard Drive

Identify the following devices

• Napier's Bone

• Slide Rule

• Pascaline

• Abacus

How much did the first portable computer weigh?

• 50 lbs

• 15 lbs

• 34 lbs

• 12 lbs

What year was the first commercially sold portable computer introduced?

• 1967

• 1975

• 1983

• 1976

Cache memory improves system performance by:

• Storing frequently accessed data for faster retrieval

• Increasing the size of the hard disk

• Slowing down the CPU to prevent overheating

• Reducing the amount of RAM required

Multitasking in operating systems refers to:

• The ability to execute multiple tasks or processes simultaneously.

• The process of installing new software on the system.

• The method of increasing the computer's memory.

• The technique of connecting multiple computers together.