Computer Hardware Flashcards
What does the bus width determine
It determines the speed at which data travels
And is also referred to as the word size
What is a device driver
A device driver is a program that controls a device attached to the computer, such as a printer, monitor or video card
What is a binary system
A number system with two digits, 0 and 1 known as a bit (binary digit)
What does the binary digit 0 indicate
Its indicates the absence of an electronic charge
What does the binary digit 1 indicate
It indicates the presence of an electronic charge
What is a binary digit
The smallest unit of data a computer can process
What forms a byte
When 8 bits are grouped together, they form a byte
What can a byte represent
A single character in a computer or mobile device
Which of the following devices is easiest to upgrade, such as by adding RAM
A. Tablets
B. Desktop computers
C. Laptops
D. Smartphones
B. Desktop computers
What are input devices
Communicate instructions and commands to a computer.
Examples
Keyboard, mouse, stylus, scanner, WebCam, microphone and game controller
What are output devices
Conveys information from the computer to the user
Examples
Speakers, headphones, projectors, and printers
What is the CPU
It is a complex integrated circuit consisting of millions of electronic parts and is -
primarily responsible for converting input data into meaningful output information
A computer typically connect to a router via a
Network Interface Card
In order to support file sharing, your PC must run a network operating system.
True or False
False
Modern processors often have ___ levels of cache
3 levels
