Java Sample One

From: Subject: Java Sample One Date: Tue, 25 Oct 2011 20:16:50 -0700 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_0000_01CC9353.07AF9D60" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01CC9353.07AF9D60 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: file://\\opdofs\staff\ophs\EAmerikaner\Desktop\fundofjava_sample.htm Java Sample One

=20 =20

Name: ID:

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Java Sample One

True/False
Indicate whether the = statement is=20 true or false.

=20

ENIAC contained hundreds of miles of wire and = thousands=20 of heat-producing vacuum tubes.

=20

The first computers could perform multiple = tasks at a=20 time.

=20

The common language of many of today=92s = computers is=20 Java.

=20

A bit consists of eight adjacent bytes.

=20

The capacity of computer memory and storage = devices is=20 usually expressed in bits.

=20

In 2006, hard disks typically store = tens of=20 billions of bytes of information.

=20

The contents of RAM are not lost when the = computer is=20 turned off.

=20

Often the cheapest way to improve a = computer=92s=20 performance is to install more RAM.

=20

Since 1955, when transistors were first used = in=20 computers, hardware engineers have been doubling the speed of = computers=20 about every 18 months.

=20

10.

In memory, programs and data are both stored = as=20 sequences of 1s and 0s.

=20

11.

In the ASCII character encoding scheme, each = character=20 is represented by two bytes.

=20

12.

An input device for sound must translate = continuous=20 analog information into discrete, digital values.

=20

13.

Addresses are numbered from 1 to the number = of bytes of=20 memory installed on the computer.

=20

14.

For a programmer, machine-language coding is = fast and=20 efficient.

=20

15.

Each instruction in a high-level language = corresponds=20 to one instruction in machine language.

Multiple Choice
Identify the choice that = best=20 completes the statement or answers the question.

16.

In the ____, PCs appeared in great numbers, = and soon=20 after, local area networks of interconnected PCs became = popular.

a.	1950s	c.	1970s
b.	1960s	d.	1980s

17.

A ____ is the smallest unit of information = processed by=20 a computer.

a.	picobyte	c.	byte
b.	bit	d.	millibit

18.

A PC consists of ____ major subsystems.

a.	four	c.	six
b.	five	d.	seven

19.

Auxiliary ____ devices include printers, = scanners, and=20 digital cameras.

a.	I/O	c.	user = interface
b.	storage	d.	network=20 connection

20.

A byte of RAM costs about ____ times as much = as a byte=20 of hard disk storage.

a.	10	c.	500
b.	100	d.	1000

21.

____ is/are usually reserved for critical = system=20 programs that are used when the computer starts up and are = retained when=20 the computer is shut down.

a.	Hard disk = drives	c.	ROM
b.	RAM	d.	CD-ROMs

22.

Which of the following is an example of = system=20 software?

a.	spreadsheets	c.	database = systems
b.	word processors	d.	compilers

23.

Computers use base ____ notation to represent = numbers.

a.	2	c.	10
b.	8	d.	16

24.

The decimal number 3 is represented in binary = as=20 ____.

a.	1	c.	01
b.	11	d.	10

25.

The ASCII character encoding scheme is able = to encode=20 ____ individual characters.

a.	128	c.	1024
b.	256	d.	65536

26.

The first group of eight bits in a program = instruction=20 in memory is known as a(n) ____.

a.	instruction = frame	c.	opcode
b.	header	d.	preamble

27.

Java is an example of a(n) ____ = language.

a.	machine	c.	high-level
b.	assembly	d.	natural

28.

Translation from and high-level language to = machine=20 language is done by a program called a(n) ____.

a.	assembler	c.	loader
b.	compiler	d.	translator

29.

Which of the following sequences correctly = identifies=20 the order of phases in the waterfall model?

a.	design, analysis,=20 implementation, maintenance, integration
b.	design, implementation, analysis,=20 maintenance, integration
c.	analysis, design, integration,=20 implementation, maintenance
d.	analysis, design, implementation,=20 integration, = maintenance

30.

In object-oriented programming, a program is = comprised=20 of different types of software components called ____.

a.	classes	c.	packages
b.	files	d.	methods

Completion
Complete each = statement.

31.

____________________ consists of the physical = devices=20 that you see on your desktop.

32.

____________________ consists of the programs = that give=20 the hardware useful functionality.

33.

The ____________________ supports = moment-to-moment=20 communication between a user and the computer.

34.

The computer=92s operating system, the = applications we=20 buy, and the documents we write are all stored on devices = collectively=20 referred to as ____________________.

35.

____________________ stands for=20 modulator=96demodulator and refers to the fact that the device = converts the=20 digital information (0s and 1s) of the computer to an analog form = suitable=20 for transmission on phone lines and vice versa.

36.

Computers include high-speed internal memory = called=20 ____________________.

37.

The ____________________ does the work of the = computer.

38.

____________________ supports the basic = operations of a=20 computer and allows human users to transfer information to and = from the=20 computer.

39.

In base 16 (hexadecimal), the letter=20 ____________________ is used to represent the number 12.

40.

Java uses a character encoding scheme called=20 ____________________.

41.

The information contained in sound is=20 ____________________, which means that it has a continuous range = of=20 infinitely many values.

42.

Video consists of a soundtrack and a set of = images=20 called ____________________.

43.

A byte=92s location in memory is called its=20 ____________________.

44.

Inadequacies in the procedural approach to = programming=20 led to the development of the ____________________ approach and to = several=20 newer languages, including Java.

45.

This principle of providing access to = services but not=20 to data resources is called ____________________.

=20

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