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AP Computer Science > Chapter 1 > Flashcards

Chapter 1 Flashcards

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1
Q

Which is faster, a human or computer?

A

Computer

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2
Q

Which has more memory, a human or computer?

A

Human

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3
Q

Which is smarter, a human or computer?

A

Human

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4
Q

What causes computer errors?

A

Faulty instructions

Sloppy data entry

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5
Q

What is used in mores code?

A

Short/Long Signals

Dots/Dashes

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6
Q

What number are used in binary code?

A

1s and 0s

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7
Q

How many bytes does ASCII use?

A

One (256 Possible Characters)

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8
Q

How many bytes does UNICODE use to store memory?

A

Two (65,536 Possible Characters)

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9
Q

How many bits are in a byte?

A

1 byte = 8 bits

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10
Q

What base is our number system?

A

Base 10

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11
Q

What base is the computer in?

A

Base 2

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12
Q

What was the first computer systems to store a byte?

A

UNIVAC

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13
Q

What is true abut the first computer opposed to the computers today?

A

Early computers used vacuum tubes.

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14
Q

What are characteristics of modern computers opposed to the early computers?

A

Computers today use silicon chips.

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15
Q

What is the main circuit board called?

A

Motherboard

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16
Q

What is the CPU?

A

Central Processing Unit

Brains

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17
Q

What is the RAM?

A

Random Access Memory (TEMPORARILY STORES INFO)

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18
Q

What is the ROM?

A

Read Only Memory (PERMANENTLY STORES INFO)

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19
Q

What stores permanently in the computer?

A

ROM

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20
Q

What stores temporary in the computer?

A

RAM

21
Q

What are the brains of the computer called?

A

Central Processing Unit (CPU)

22
Q

How many bites in mega-byte?

A

1,000,000 or 2^20

23
Q

How many bites in tera-byte?

A

1,000,000,000,000 or 2^40

24
Q

How many bites in kilo-byte?

A

1,000 or 2^10

25
Q

How many bites in giga-byte?

A

1,000,000,000 or 2^30

26
Q

What is used to magnetically store the information on a disk or tape?

A

Iron oxide (Rust)

27
Q

What storage device uses laser light?

A

CD

28
Q

What is the definition of a program?

A

Sequence of instructions, which enables a computer to preform a desired task.

29
Q

What does the computer use to understand machine code?

A

Compiler or Interpretor

30
Q

Machine code is made up of what numbers?

A

1s and 0s (directly manipulating)

31
Q

What program are we going to learn how to use in Computer Science?

A

Java

32
Q

What language was created by Grace Hopper for the business world?

A

Common Business Oriented Language (COBOL)

33
Q

What was the first successful programing language?

A

FORTRAN

34
Q

What computer language was used by scientist and engineers?

A

Formula Translator (FORTRAN)

35
Q

Which programing language added OOP to the C language?

A

C++

36
Q

What language came before C?

A

Pascal

37
Q

What language is platform independent?

A

Java

38
Q

Which language is the first one used on a PC?

A

BASIC

39
Q

What language was designed for the purpose of teaching APCS?

A

Java

40
Q

What is an interpreter?

A

translates one program statement at a time during execution*

41
Q

What is a compiler?

A

translates entire program into an executable file before execution

42
Q

What is an assembler?

A

a program for converting instructions written in low-level symbolic code into machine code.

43
Q

Does Java use an interpreter, compiler, and/or an assembler?

A

Compiler and Interpreter

44
Q

What are examples of hardware?

A

keyboard, mouse, computer case

45
Q

What are examples of software?

A

Application Software

System Software

46
Q

What are examples of application software?

A

spreadsheet word exell

47
Q

Examples of system software?

A

UNIX or Windows 8

48
Q

Extra Card

A

Extra Card

AP Computer Science (4 decks)

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