cgs2100 chapter 2 quiz
characteristics of an SSD
-no moving parts -extremely fast
1. memory located adjacent to the processor 2. memory used to increase hard drive's efficiency
1. L3 cache 2. disk cache
rank the following from fastest to slowest: gigahertz, kilohertz, megahertz, hertz
1. gigahertz 2. megahertz 3. kilohertz 4. hertz
rank the storage capacities from highest to lowest. start with the highest capacity first
1. petabyte 2. terabyte 3. gigabyte 4. megabyte 5. kilobyte
personal computer cpu clock speeds range between
2 to 4 gigahertz
come computers use __, an 8-bit coding scheme to represent characters in a binary format.
ASCII
connecting digital devices to computers is accomplished by using __ ports
MIDI
the place in a digital device where the data and programs that device is currently using are accessible by the processor is called the
RAM
__ is actually storage since it retains data and information when the power has been turned off.
ROM (read only mem)
___ is actually storage since it retains data and info when the power has been turned off
ROM (read only mem)
not mobile, but since most of its components are housed behind the monitor it takes relatively little space on your desk
all-in-one computer
represented as either a 0 or 1, a ____ is the smallest unit of data a computer can process.
bit
a channel over which information flows inside a digital device is called
bus
data flows between different parts of the computer via
buses
one __ represents a letter, symbol, or number of info
byte
the number of instructions the cpu can process per second is dictated by the __ speed of the processor
clock
not mobile, but allows for relatively easy upgrade and expansion
desktop
memory is __ and has no moving parts
electronic (solid state)
register
extremely small amounts of memory measured in bits located throughout the processor
what is equal to one cycle per second
hertz
L1 cache
memory located directly on the processor itself
the actual number of pixels in a monitor is called
native resolution
when a computer is shut down, the information in the memory (the RAM, the caches, the registers), is
not saved
running the processor faster than recommended by the manufacturer is called __. this can increase performance and speed but will also void the manufacturer warranty
overclocking
data from the hard drive reaches the CPU ___ than data from the RAM.
slower
because they're inexpensive and reliable ___ have become extremely popular storage devices
thumbdrives (usb or flash drives)
many computers today use __ which is a coding scheme using at least 16 bits to represent a character
unicode
the maximum number of bits per instruction that a cpu can process during 1 machine cycle is called
word size
characteristics of a traditional hard drive
-contains platters -contains read/write heads -stores data magnetically
select two responses that best define the term "resolution" in output devices
-quality of the image -diagonal distance between the upper right and lower left corners
firewire connectors were developed for ___ computers.
apple