Computer's Hardware - ANSWER Physical devices used for the input, processing,
output, and storage activities of a computer system
Central Processing Unit (CPU) - ANSWER Handles the data and controls the activities of
the other components
Primary Storage - ANSWER Temporary holding area for data and program instructions
while being processed
Secondary Storage - ANSWER Holds data and programs until the computer needs them
Input Technologies - ANSWER Accept data and instructions and convert them to a form
that the computer can understand
Output technologies - ANSWER present data and information in a form people can
understand
Communication technologies - ANSWER provide the flow of data from external computer
networks - Internet to the CPU, and from the CPU to computer networks
Types of Servers - ANSWER Supercomputers, mainframe computers
Supercomputers - ANSWER the most powerful computers available at any point in time.
Who uses supercomputers? - ANSWER Because of the expense they are typically used
by large organizations, such as military and scientific research to run computationally
intensive operations with enormous data
, Mainframe Computers - ANSWER computers that are at the top of the performance and
reliability scales can process millions of transactions per day
Tablets - ANSWER a complete computer contained entirely in a flat touch screen
Wearable clients - ANSWER apple watch
Types of Primary Memory (main memory) - ANSWER register memory, cache memory,
random access memory (RAM), read only memory (ROM)
Cache Memory - ANSWER Primary memory- High speed memory that enables the
computer to temporarily store blocks of data that are used more frequently
Register Memory - ANSWER Primary Memory- part of the CPU. Has the least capacity
and stores data only immediately before and after processing. located closer to CPU
than the RAM
Random Access Memory (RAM) - ANSWER Primary memory- holds a software program
and small amounts of data for processing
Read only Memory (ROM) - ANSWER Primary Memory- type of chip where certain critical
instructions are held and retains these instructions even when the computer is off
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Easton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.