CCBC – Final Study Guide with Key Concepts, Summaries, and Practice
Questions
Program - correct answer ✔✔ set of instruction that a computer follows to preform a task
programmer - correct answer ✔✔ person who can design, create and test computer programs
Hardware - correct answer ✔✔ the physical devices that make up a computer
Central processing unit (CPU) - correct answer ✔✔ the part of the computer that actually runs
programs
Microprocessors - correct answer ✔✔ CPUs located on small chips
Main Memory - correct answer ✔✔ where computer stores a program while program is
running, and data used by the program
Random Access Memory (RAM) - correct answer ✔✔ Volatile memory used for temporary
storage while program is running. Contents erased when computer is off
Secondary Storage - correct answer ✔✔ can hold data for long periods of time
input - correct answer ✔✔ data that computer collects from people and other devices
input devices - correct answer ✔✔ component that collects the data
Output - correct answer ✔✔ data produced by the computer for other people or devices
, Output device - correct answer ✔✔ formats and presents output
application software - correct answer ✔✔ programs that make computer useful for every day
tasks
system software - correct answer ✔✔ programs that control and manage basic operations of a
computer
byte - correct answer ✔✔ just enough memory to store letter or small number
bit - correct answer ✔✔ electrical component that can hold positive or negative charge, like
on/off switch
Byte size - correct answer ✔✔ 255
ASCII - correct answer ✔✔ limited. defines codes for only 128 characters
Unicode - correct answer ✔✔ standard. Compatible with ASCII. can represent characters for
other languages
Number storage - correct answer ✔✔ Negative numbers: uses Two's complement
Real Numbers: floating-point notation
CPU cycle - correct answer ✔✔ fetch decode Execute
Assembly language - correct answer ✔✔ uses short words (mnemonics) for instructions instead
of binary numbers
Questions
Program - correct answer ✔✔ set of instruction that a computer follows to preform a task
programmer - correct answer ✔✔ person who can design, create and test computer programs
Hardware - correct answer ✔✔ the physical devices that make up a computer
Central processing unit (CPU) - correct answer ✔✔ the part of the computer that actually runs
programs
Microprocessors - correct answer ✔✔ CPUs located on small chips
Main Memory - correct answer ✔✔ where computer stores a program while program is
running, and data used by the program
Random Access Memory (RAM) - correct answer ✔✔ Volatile memory used for temporary
storage while program is running. Contents erased when computer is off
Secondary Storage - correct answer ✔✔ can hold data for long periods of time
input - correct answer ✔✔ data that computer collects from people and other devices
input devices - correct answer ✔✔ component that collects the data
Output - correct answer ✔✔ data produced by the computer for other people or devices
, Output device - correct answer ✔✔ formats and presents output
application software - correct answer ✔✔ programs that make computer useful for every day
tasks
system software - correct answer ✔✔ programs that control and manage basic operations of a
computer
byte - correct answer ✔✔ just enough memory to store letter or small number
bit - correct answer ✔✔ electrical component that can hold positive or negative charge, like
on/off switch
Byte size - correct answer ✔✔ 255
ASCII - correct answer ✔✔ limited. defines codes for only 128 characters
Unicode - correct answer ✔✔ standard. Compatible with ASCII. can represent characters for
other languages
Number storage - correct answer ✔✔ Negative numbers: uses Two's complement
Real Numbers: floating-point notation
CPU cycle - correct answer ✔✔ fetch decode Execute
Assembly language - correct answer ✔✔ uses short words (mnemonics) for instructions instead
of binary numbers
