Deck 1: Background

Question 1

A monitor is an output device. ____________________

Answer 1

True

Question 2

A kilobyte is 1000 bytes.

Answer 2

True

Question 3

In the 1950s Apple sold its first business computer.

Answer 3

False

Question 4

Bit is another term for binary digit.

Question 5

Image sampling devices measure values at points called pixels on a two-dimensional grid. ____________________

Question 6

A transistor is a simple device that can be in one of two states: on or off.

Question 7

Binary information is suitable to transmit over phone lines.

Question 8

Which of the following is NOT true about ENIAC?

A) It used more electricity than all the houses on an average city block.
B) It was built in the late 1950s.
C) It contained hundreds of miles of wire.
D) The meantime between failures was less than 1 hour.

Question 9

In the ____, local area networks of interconnected PCs became popular.

A) 1960s
B) 1970s
C) 1980s
D) 1990s

Question 10

The first computers used methods such as punch cards and paper tape for ____.

A) input
B) output
C) programming
D) both a and b

Question 11

Small text files are usually measured in gigabytes. ____________________

Question 12

A compiler is an example of application software.

Question 13

In the ____, people began to see the advantage of connecting computers in networks.

A) 1950s
B) 1960s
C) 1970s
D) 1980s

Question 14

The first IBM computer had 1/2000 the computational power of a typical 2-gigahertz laptop purchased for $1000 in 2010.

Question 15

Java uses the ASCII scheme, in which each character is represented by a pattern of 16 bits. ____________________

Question 16

Most of the costs of developing software occur at the design phase.

Question 17

Second generation programming languages are called machine languages.

Question 18

In the twenty-first century, computing has become ubiquitous, meaning that it is ____.

A) anywhere and everywhere
B) getting smaller
C) wireless
D) less expensive

Question 19

File server disk sizes are usually measured in terabytes. ____________________

Question 20

Program instructions are represented as a sequence of bits in ROM.

Question 21

FIGURE 1-1
In Figure 1-1 above, which number subsystem is the high-speed internal memory?

A) 1
B) 2
C) 3
D) 4

Question 22

Which of the following is NOT true about the information contained in sound?

A) It has a finite range of discrete values.
B) Sound information is analog.
C) Sampling reads the values on a waveform at intervals.
D) The number of cycles per second of a sound's waveform measures its pitch.

Question 23

Roberto uses rules of behavior called ____.

A) instance variables
B) methods
C) classes
D) codes

Question 24

FIGURE 1-1
In Figure 1-1 above, which number subsystem is used for long-term storage of data and programs?

A) 1
B) 2
C) 3
D) 4

Question 25

Roberto uses the principle of ____, which provides access to services but not to data resources.

A) instance variables
B) primary memory
C) ubiquitous computing
D) information hiding

Question 26

The code Margaret writes is translated into machine language using a(n) ____.

A) translator
B) I/O device
C) compiler
D) waterfall model

Question 27

The physical devices you see on your desktop are called ____.

A) software
B) hardware
C) peripherals
D) PDAs

Question 28

A(n) ____ is a convenient portable storage device with a capacity of several gigabytes.

A) PDA
B) CD
C) external hard disk
D) flash memory stick

Question 29

The programs that allow your computer to function are called ____.

A) software
B) hardware
C) peripherals
D) PDAs

Question 30

Margaret programs using ____ languages.

A) procedural
B) assembly
C) high-level
D) machine

Question 31

Numbers with a fractional part are called ____ numbers.

A) mantissa
B) floating-point
C) integer
D) string

Question 32

Which of the following is NOT true about first generation programming languages?

A) They only used binary digits.
B) An assembler was used to translate the program into machine language.
C) It was nearly impossible for one person to decipher another's program.
D) Each type of computer had its own unique machine language.

Question 33

Which of the following is an example of system software?

A) Multimedia software
B) Database
C) Operating systems
D) Spreadsheets

Question 34

The process in which a class defines the methods and instance variables of its subclasses is called ____.

A) genetics
B) information hiding
C) inheritance
D) encapsulation

Question 35

Each person using a 1960s era time-sharing machine sat at a(n) ____________________.

Question 36

The ____ subsystem supports communication between a user and the computer?

A) user interface
B) auxiliary input/output
C) network connection
D) RAM

Question 37

____ was one of the world's first digital electronic computers.

A) ENIAC
B) SDLC
C) RAM
D) FORTRAN

Question 38

In the ____ scheme, each character is represented as a pattern of 8 bits.

A) floating-point
B) mantissa
C) waveform
D) ASCII

Question 39

Which of the following is NOT true about RAM?

A) It is also called primary memory.
B) It is slower than auxiliary storage devices.
C) The contents of RAM are lost when the computer turns off.
D) The cheapest way to improve computer performance is to install more RAM.

Question 40

____ programming breaks code into easily handled components.

A) Object-oriented
B) Machine language
C) Assembly language
D) Procedural

Question 41

Identify the letter of the choice that best matches the phrase or definition.
a.Object-oriented approach
b.Procedural approach
c.Machine language
d.Assembly language
e.High-level language
Third generation programming languages that are easy to write, read, and understand.

Question 42

Identify the letter of the choice that best matches the phrase or definition.
a.Object-oriented approach
b.Procedural approach
c.Machine language
d.Assembly language
e.High-level language
Used in older languages such as COBOL and FORTRAN.

Question 43

Identify the letter of the choice that best matches the phrase or definition.
a.Object-oriented approach
b.Procedural approach
c.Machine language
d.Assembly language
e.High-level language
Second generation programming languages, which used mnemonic symbols.

Question 44

Identify the letter of the choice that best matches the phrase or definition.
a.Object-oriented approach
b.Procedural approach
c.Machine language
d.Assembly language
e.High-level language
Breaks code into easily handled components.

Question 45

The ____________________ system uses base 8.

Question 46

Identify the letter of the choice that best matches the phrase or definition.
a.Object-oriented approach
b.Procedural approach
c.Machine language
d.Assembly language
e.High-level language
First generation programming languages, which used only 0s and 1s.

Question 47

____________________ is the common programming language of many of today's devices, including music players and PDAs.

Question 48

Whose law states that every two years the speed of computers doubles? ____________________

Question 49

A(n) ____________________ is a device that converts the digital computer information into a format for transmitting over phone lines, and vice versa.