systems Flashcards
what is the number of the binary 10010110
150
how many bits are in a byte
8
how many kilobytes are in a megabyte
1024
how many bits is ASCII
8
can vector graphics be rescaled without loss of quality
yes
does the blank space in the file take up space for a vector graphics
no
what are the three parts of a processor
Arithmetic and logic unit, Control unit and Registers
what is the speed of a processor measured in
Gigahertz
what is the function of a data bus
enable data to be transferred between processor and main memory
what is the function of the address bus
holds the address of the memory location
what is the only thing computers understand
binary numbers
the instructions made of binary are
machine code
what type of language is code written in
high level language
one way to reduce carbon footprint
buying green computers and peripherals, switching off computers/ monitors and setting computers / computer components to energy saving mode
why do you use a firewall
protect a computer network form intruders