Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
What are the different computer components? |
processor, operating system, software, instructions, fetch/execute cycle, and memory |
|
What is a processor? |
device that performs computations
ex: computer, microprocessor, central processor CPU, and core |
|
What is an operating system? |
software that allows applications to run on the computer |
|
What are the tasks of the operating system? |
loading programs, sharing memory, locating files, and interfacing with the user |
|
What is software? |
applications or programs found on computing devices which run by performing designed instructions like algorithms |
|
What are instructions? |
small steps and tasks designed to be performed at very fast rates |
|
What is the Fetch/Execute Cycle? |
process where instructions are performed by processor |
|
What is memory? |
comes in the form of encoded binary bits which are accessed during the fetch/execute cycle |
|
What are the steps of the Fetch/execute cycle? |
instruction fetch, instruction decode, data fetch, instruction execute, result return |
|
What are the five subsystems of a computer? |
memory, control unit, arithmetic/logical unit, input unit, and output unit |
|
What is the memory's use? |
stores program running and data program is operating on |
|
What is the control unit's use? |
hardware that performed fetch/execute cycle |
|
what is the arithmetic/logic unit use? |
performs mathematic and logical opperations |
|
what is the input unit use? |
hardware that takes user commands |
|
what is the output unit use? |
hardware that gives user feedback |
|
what are discrete locations? |
byte sized memory organized in a sequence |
|
What is the finite capacity? |
each location has limited memory |
|
What does the circuitry inside the Control unit do? |
fetches instruction from memory and performs opperations |
|
What does assembly language do? |
connects and converts binary and source code |
|
what is compiling? |
a process that translates between source code and binary code |
|
what is the assembler? |
converts human words to binary |
|
How many bytes of memory does a machine instruction use? |
One |
|
How many parts does the processor have? |
Eight |
|
Modern computers know how many instructions? |
About one-hundred |