Intro to computers Flashcards
programmable machine that allows you to store all sorts of information and process that information
Computer
2 Computer Components
- Hardware
2. Software
components that is the machine itself and connected to its devices such as monitor, keyboard, mouse etc.
Hardware
set of programs that make use of hardware components to accomplish varies functions
Software
Computers process __ and __
data and information
list of unprocessed items
data
conveys useful meanings when organized and processed
information
computers carry out processes using instructions which are the steps that tell the computer how to perform a particular task
Information processing cycle
computers process __(input) into ___(output)
data
information
2 things under input
- User Interface
2. Storage devices/data source
2 things under Processing & storage
- Processes
2. Store
7 Characteristics of Computer
- Speed
- Accuracy
- Diligence
- Versatility
- Power of Remembering
- No IQ
- Storage
it takes only seconds for computers to calculate large amounts of data
Speed
every calculation of a computer is performed with the same ___.
___ depends on the design of a computer and errors are dependent on people
Accuracy
computers are highly consistent and does not suffer from boredom and tiredness
Diligence
computers are capable of performing any tasks as long as there are logical instructions
they are also capable of performing different tasks at the same time
Versatility
computers have the power of storing any amount of data
Power of remembering
computers cannot do any task without human instruction and they cannot decide on their own
No IQ
large volumes of data and information can be stored in the computer and can be retrieved when required
Storage
Enumerate: Capabilities of computer (4)
- Can do repetitive operations
- Can process information at extremely rapid rate
- May be programmed to calculate depending ont he accuracy set by a programmer
- Their flexibility
Enumerate: Limitations of a computer (6)
- Dependency on humans
- Cannot think for themselves
- Can only detect syntax error not logic error
- Cannot draw conclusions without intermediate steps
- Don’t learn from experience
- Prone to viruses
