Metacognition - answer✔✔refers to awareness of yourself as a learner
involves five distinct skills: assess the task, evaluate your strengths and weaknesses, plan an
approach, apply strategies and monitor your performance, reflect and adjust if needed.
information - answer✔✔processed data that is useful for decision making
data - answer✔✔facts that alone are not useful for decision making
information system - answer✔✔combination of data input, processing and information output
used to support management of an organization
quality data - answer✔✔data which is relevant, timely, thorough, accurate and reliable
information processing cycle - answer✔✔input, process, output and storage
input - answer✔✔raw data entered by the user
processing - answer✔✔raw data organized or structured for usefulness
output - answer✔✔information output so user can see the results
storage - answer✔✔processed info is stored for permanent record
hardware - answer✔✔physical components of a computer system
software - answer✔✔computer programs that tell the computer what to do - how to execute
commands and process info
users - answer✔✔people who use the computer system
system unit - answer✔✔contains various components that enable the PC system to run programs
and complete other important functions
motherboard - answer✔✔circuit board that contains a number of important circuits
CPU - answer✔✔central processing until; processes instructions and computer program, consists
of two pain parts; ALU (arithmetic logic unit) and CU (control unit)
Peripheral devices - answer✔✔components that are located outside the system unit, yet are
connected physically or wirelessly
application software - answer✔✔software used bye users to complete work and make decisions
I/O device - answer✔✔input/output; devices used to input data into a computer system and
devices receiving the output from the computer systems
GUI - answer✔✔graphical user interface, an interface that muses graphical icons to indicate a
computer process
internet - answer✔✔network of networks governed by the TCP/IP protocol
network protocol - answer✔✔rules by which networks communicate with eachother
control unit - answer✔✔retrieves instructions and the raw data that is input and coordinates or
controls the sending of those instructions and data to the ALU
ALU;arithmetic logic unit - answer✔✔does actual processing of data
RAM; random access memory - answer✔✔used for short term storage, consists of both dynamic
RAM (DRAM) and static RAM (SRAM).
RAM is volatile, meaning what is stored is lost when power to RAM is turned off
DRAM; dynamic random access memory - answer✔✔typically main memory
SCRAM; static RAM - answer✔✔cache memory and registers
ROM; read only memory - answer✔✔retains its contents indefinitely
BIOS RAM; basic input output system - answer✔✔operating system that runs when. computer is
first turned on. it runs tests of memory and the CPU and initializes hardware components so that
the actual operating system can be loaded from the hard disk
machine language - answer✔✔in earliest computers this required connecting memory location
into computational circuits
semiconductor - answer✔✔also known as integrated circuit. semiconductor chip contains a
pattern of transistors etched onto the surface of a piece of silicone
Microprocessor - answer✔✔single chip processor
Language translator - answer✔✔takes another program as input and output a machine language
version
compiler - answer✔✔translates entire programs,. creating an executable program. uses high level
English like languages as to convert into machine language
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