System Components
What part of the computer holds and protects all the other parts.
The computer case
Name three common input devices.
mouse, keyboard, touchscreen, microphone, webcam, scanner
A device lets you see information on a computer.
Monitor
A storage device that is temporary and erased when the computer is turned off
RAM (Random Access Memory)
What is the most hit key on your keyboard?
Spacebar
What is the “brain” of the computer that processes instructions?
CPU (Cental Processing Unit)
A device that captures video and sends it to the computer
Webcam
Name one way you can hear output from a computer.
speakers, headphones, and earbuds
A device that stores data permanently inside the system unit
Hard Disk Drive (HDD)
Deep Blue was a computer that beat world champions in what game?
Chess
What part connects the CPU, RAM, and other hardware?
Motherboard
An input device that sends audio data into the computer
Microphone
A device that places an image onto a large surface, like a classroom wall
Projector
Which type of hard drive is faster, SSD or magnetic HDD?
An SSD (Solid-State Drive) is significantly faster because it uses flash memory with no moving parts, resulting in much quicker boot times, file transfers, and application loads.
what was the first computer mouse made out of?
Wood
"The Wooden Bug" created by Doug Engelbart in 1964
What provides power to the computer and is measured in watts?
Power Supply Unit (PSU)
Name at least three commonly used input devices.
keyboard, mouse, microphone, webcam, joystick
A type of flat-panel display technology that uses liquid crystals to control light and create images.
LCD
Name two portable storage devices.
USB flash drive (thumb drive), external hard drive, or an SD card
How much did the first storage device weigh in 1956.
The first significant electronic digital storage device was the IBM 350 disk storage unit in 1956,and weighed over one ton (approximately 2,000 pounds or 900 kg).
Why do computers use a fan and heat sink?
To prevent overheating by dissipating the heat generated by electronic components, such as the CPU.
Which of the following is NOT a commonly used biometric identifier for authentication? a) Fingerprint, b) Iris scan, c) Social security number, and d) Voice recognition.
c) Social security number.
Output device that receives information from a computer and transfers it to paper.
Printer
A model of data storage that saves data on remote servers hosted by a third-party provider instead of on a local device or server
Cloud Storage
What year was the first computer virus developed?
The first computer virus was called "Creeper" and was developed in 1971, according to Aakar Computer Institute.