18 Questions
What is the basic unit of binary language in computers?
Digit
What is the main function of speakers and earphones?
Act as output devices for sound
If a chip has a clock speed of 400 MHz, how many times does it switch on and off per second?
400 million times
How many bits make up one byte in computers?
10
How many oscillations per second are represented by the prefix 'giga'?
Billions
Which input device is used to input user responses and commands into a computer?
Mouse
What determines a personal computer's overall speed and efficiency apart from the CPU speed?
Size of RAM and hard disk capacity
Which type of device creates hard copies of text and graphics?
Printer
What is the main purpose of an output device in a computer system?
Display information to the user
A chip with a clock speed of 1.2 GHz is how many times faster than a chip with a 200 MHz clock?
3 times faster
Which device creates copies that can be touched by the user?
Printer
What is the main characteristic of a supercomputer in terms of performance?
Performs complex calculations rapidly
What type of device is used to input non-digital text into a computer?
Scanner
What is the primary purpose of an embedded computer?
Resides in another device and has its own programming
Which output device is commonly used to display video on-screen?
Monitor
How does the bus speed impact a computer's operation when communicating with cards in bus slots?
Slows down the computer if slower than CPU
What type of computer is a personal computer?
'General-purpose' cost-effective computer for single end-user
What type of device is commonly used to output sound from a computer system?
Speakers
Learn about binary language, bits, and bytes in computers. Explore how each letter, number, and character is represented using a unique combination of bits. Discover the role of input devices like keyboards in entering data and instructions into a computer.
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