Thẻ ghi nhớ: FE CSI | Quizlet

hexadecimal

hexadecimal

Displays containing the contents of a computer's memory or the hard disk are often referred to as ____ memory dumps.
a. error
b. hexadecimal
c. decimal
d. octal

0.0001

The number 10-4 (mười mũ trừ 4) evaluates to which of the following?
a. 0.000001
b. 0.00001
c. 0.0001
d. 10000

base

A ____ is identified by the number of digits a numbering system has, including zero.
a. root
b. discriminant
c. determinant
d. base

positional

The concept of ____ value is common to all modern numbering systems.
a. positional
b. radical
c. deterministic
d. random

21

According to positional value, the binary number 10101 represents ____ things.
a. 3
b. 5
c. 12
d. 21

F

The hexadecimal numbering system runs out of digits after ____.
a. E
b. F
c. G
d. H

256

The decimal equivalent of 100(16) is ____.
a. 116
b. 160
c. 256
d. 1600

19

What is the result of converting the decimal number 25 to a base 16 equivalent?
a. F
b. 19
c. 1A
d. 31

11001

What is the result of converting the decimal number 25 to a base 2 equivalent?
a. 10001
b. 10011
c. 11001
d. 11101

1110

What binary number results from adding 111 and 111 (he 2)?
a. 1000
b. 1011
c. 1110
d. 1111

bit

A ____ is a basic unit of storage that can have a value of either 1 or 0 (on or off).
a. nibble
b. word
c. byte
d. bit

byte

A ____ is a group of eight bits.
a. byte
b. word
c. nibble
d. blip

4

An 8-nibble word is more likely to be referred to as the equivalent ____-byte word.
a. 2
b. 4
c. 8
d. 16

4

Each hexadecimal digit relates directly to a ____-bit binary pattern.
a. 2
b. 4
c. 8
d. 16

two's complement

Which of the following methods represents the most common way of storing signed numbers?
a. one's complement
b. binary complement
c. integer complement
d. two's complement

sign

To find the ____ of a given bit, flip it to the opposite state.
a. root
b. complement
c. position
d. sign

mantissa

In scientific notation, the method of displaying numbers uses a(n) ____ and an exponent.
a. mantissa
b. asymptote
c. abscissa
d. ordinate

256

The eight bit extended ASCII (American Standard Code for Information Interchange) character set can be used to represent ____ characters.
a. 128
b. 256
c. 512
d. 34,168

pixel

A ____ is the smallest unit that can be displayed on a computer monitor.
a. micron
b. picon
c. twip
d. pixel

Binary

____ patterns contain information about the color and brightness of a pixel.
a. Binary
b. Octal
c. Decimal
d. Hexadecimal

16

Unicode character representation uses a(n) ____ bit standard.
a. 4
b. 7
c. 8
d. 16

compression

Various ____ techniques have been designed to allow the same image information to be stored in a smaller file.
a. consolidation
b. compression
c. scanning
d. resolution

frequency

A sound consists of a waveform that has amplitude (volume) and a ____ (pitch).
a. frequency
b. phase shift
c. phase angle
d. period

amplitude

The computer samples sound at fixed intervals and each sample is assigned a binary value according to its ____.
a. frequency
b. period
c. amplitude
d. pitch

MPEG

Which of the following is an example of a video compression format?
a. BMP
b. GIF
c. MPEG
d. TIF

IBM

According to general consensus, which of the following companies won the mainframe battle of the first electronic computer generation?
a. IBM c. Honeywell
b. Remington Rand d. RCA

Mosaic

Using the Berners-Lee protocols, Marc Andreesen created the browser that had the most impact beyond the walls of academia: ____.
a. Internet Explorer c. Mosaic
b. Next d. Impact

logical

ENIAC was a functioning and useful computer that could perform both arithmetic and ____ operations.
a. standard c. linguistic
b. surgical d. logical

vacuum tubes

Which of the following technologies made electronic computing possible?
a. reusable pins c. vacuum tubes
b. punch cards d. keyboards

internetwork

The loose collection of networks called "the Internet" is the short form of which of the following words?
a. internetwork c. interarpanet
b. internexus d. interconnect

Linux

Based on low cost, available source code, and reputed reliability, which of the following operating systems presents the greatest competitive threat to Windows?
a. Crescent c. Linux
b. Star d. OS/2

Charles Babbage

In 1823 ____ invented a mechanical device that did addition, subtraction, multiplication, and division of 6-digit numbers.
a. Gottfried Leibniz c. Charles Babbage
b. Blaise Pascal d. Thomas Jefferson

Internet Explorer

In its antitrust suit with the government, Microsoft claimed which of the following programs was an integral part of the operating system?
a. Mosaic c. Navigator
b. Internet Explorer d. MS-Word

stored program

Both the Jacquard loom and the player piano had a "____".
a. stored program c. disk drive
b. monitor d. keyboard

weapons development

Which of the following war-time activities caused the U.S. Navy Board of Ordinance to sponsor the development of the first modern electronic computer?
a. ship building c. weapons development
b. aerial reconnaissance d. map-making

browser wars

The integration of Internet Explorer with the dominant Windows operating system was the turning point in what came to be known as the "____".
a. Internet affair c. code conflict
b. browser wars d. network nightmare

slide rule

In Western society, you can probably credit the 1622 invention of the ____ as the beginning of the solution of complex mathematical problems by mechanical devices with moving parts.
a. abacus c. logarithm
b. slide rule d. transit

OS/2

Which of the following operating systems was developed jointly by IBM and Microsoft?
a. NOS c. Linux
b. OS/2 d. Unix

UNIVAC

Which of the following was the first commercially viable computer?
a. UNIVAC c. Mark I
b. ENIAC d. EDVAC

object-oriented programming

In the fifth generation of electronic computing, modular approaches to coding, such as ____ , facilitate larger, more complex, and more quickly and reliably delivered software products.
a. assembly programming c. object-oriented programming
b. machine programming d. binary programming

punch cards

Herman Hollerith introduced electromechanical counting equipment using ____ as input.
a. voice patterns c. magnetic tape
b. punch cards d. keyboard entry

Packet switching

____ involves dividing messages into blocks that can be reassembled at their destination, with each block possibly following a different path.
a. Multiplexing c. Packet switching
b. Linking d. Decoding

open architecture

The concept of computer design that allows for future modifications and additions by members of the public is known as which of the following?
a. closed architecture c. open architecture
b. proprietary architecture d. licensed architecture

WLAN

Fiberoptics and wireless technologies have given rise to which of the following terms?
a. WAN c. WLAN
b. Internet d. LAN

Apple II

In 1977, Apple released the ____ based upon the Motorola 6502 processor.
a. Apple I c. Macintosh
b. Apple II d. iPod

GUI

The Macintosh had the first mass-produced ____ , an interface that uses graphical instead of text commands.
a. ARPA c. GUI
b. SMP d. MPP

Mark I

IBM's first multipurpose machine was called which of the following?
a. UNIVAC c. Mark I
b. EDVAC d. ENIAC

one-to-one

Assembly language, while easier to use than machine code, has what type of correspondence with machine code?
a. many-to-one c. one-to-one
b. many-to-many d. one-to-many

parallel

The term ____ computing or ____ architectures refers to linking a number of CPUs to work on a task simultaneously.
a. parallel c. serial
b. sequential d. monolithic

distributed

A(n) ____ network consists of computers that independently decide how to channel to the next computer.
a. concentrated c. monolithic
b. distributed d. centralized

desktop publisher

Which of the following tools specializes in sophisticated page layout?
a. project scheduler c. text editor
b. desktop publisher d. spreadsheet

programming

When you are diagramming and creating flowcharts, you are principally engaged in ____ tasks.
a. programming c. Web
b. office d. network repair

lossy

In addition to redundant areas, ____ compression techniques eliminate information not perceptible to the human eye.
a. lossless c. lossy
b. primary d. secondary

24

The 16.7 million color palette of the BMP format requires ____ bits.
a. 16 c. 24
b. 20 d. 32

compression

Data ____can be used to reduce the size of a file and speed the transmission of the file through e-mail.
a. collaboration c. inlining
b. design d. compression

Graphics

____ in the form of logos, cartoons, and maps play a large part in the world of information sharing.
a. Texts c. Databases
b. Graphics d. Protocols

Integrated Development Environment

Text editors, compilers, and debuggers are directly featured on the menu of which of the following software tools?
a. Integrated Development Environment
b. word processor
c. spreadsheet
d. desktop publisher

Transfer

File ____ Protocol (or FTP) is a transmission method used to send files across the Internet.
a. Task c. Transfer
b. Test d. Table

.zip

The ____ extension is one of the more popular compression formats in the world of Windows.
a. .bat c. .zip
b. .car d. .exe

presentation

A ____ tool is the most logical choice for the development of a slide show.
a. spreadsheet c. word processing
b. presentation d. scheduling

spreadsheet

A grid-like document that facilitates arithmetic manipulation and presentation is called a ____.
a. resume c. memo
b. fax d. spreadsheet

text editor

A ____ is a generic tool that allows you to do basic editing, although the finished document won't have a professional look.
a. word processor c. GUI
b. text editor d. spreadsheet

Modeling

UML or Universal ____ Language diagrams are used to develop object-oriented systems and programs.
a. Modeling c. Master
b. Markup d. Middling

Macromedia Fireworks

____ is a graphics tool popular with Web designers.
a. Tron c. Redux
b. Macromedia Fireworks d. Starry Messenger

office

Creating documents, presentations, and spreadsheets are best classified as ____ tasks.
a. programming c. scientific
b. Internet d. office

conversion

The process of changing image format from one type to another is called ____.
a. conversion c. blurring
b. rotating d. cropping

lossless

Images reduced by ____ compression techniques retain their original quality.
a. lackless c. sassy
b. lossless d. glossy

database

A ____ is a collection of information usually organized into tables.
a. browser c. database
b. multiplex d. publisher

word processor

Grammar check and font selection are common features of which of the following tools?
a. browser c. binder
b. text editor d. word processor

Microsoft.NET

Which of the following programming environments is actually a platform hosting a number of distinct languages?
a. Borland JBuilder c. CodeConqueror
b. Microsoft.NET d. Rhodes

shareware

Graphics software available in the form of ____ is generally free of charge during a trial period.
a. adware c. shareware
b. middleware d. malware

GIF

Which of the following graphical formats should be favored for animation and small file size?
a. BMP c. JPG
b. GIF d. TIF

transistor

By switching on and off, the ____ can be used to represent the 1s and 0s that are the foundation of all that goes on in the computer.
a. capacitor c. resistor
b. transistor d. inductor

Boolean

____ algebra is concerned with the logic of the operators AND, OR, and NOT.
a. Linear c. Boolean
b. Modern d. Fibonacci

NOT

The ____ operator works with a single input and its purpose is to reverse the input.
a. XOR c. AND
b. NOT d. OR

one

The AND circuit generates ____ output for each set of inputs.
a. one c. three
b. two d. four

opposite

The truth table for the NOT gate shows that the output is the ____ of the input.
a. square c. opposite
b. first derivative d. same

XOR

The truth table for the ____ gate indicates that the output is 1 only when the inputs are different.
a. OR c. AND
b. XOR d. NAND

truth

A gate's output for any set of inputs follows the specifications given in the ____ table.
a. variable c. log
b. data d. truth

ALU

One of the main functions of the ____ component of the computer's CPU is to add numbers.
a. controller c. memory
b. ALU d. register

transistor

Which piece of technology replaced the vacuum tube?
a. transistor c. capacitor
b. diode d. resistor

millions

Very Large-Scale Integration (VLSI) chips hold ____ of circuits.
a. hundreds c. millions
b. thousands d. trillions

Von Neumann

Most computers today are still based on what has come to be called ____ architecture, and are sometimes still called ____ machines.
a. Hilbert c. Von Neumann
b. Turing d. Non Von

fetch-execute

At a basic level, most computers operate on what is called a(n) "____" cycle.
a. encrypt-encapsulate c. store-revise
b. edit-add d. fetch-execute

random

RAM is called "____" because it does not have to be read sequentially.
a. relative c. remedial
b. random d. rapid

CD-ROM

Which of the following storage forms is non-volatile?
a. DRAM c. DDRAM
b. SRAM d. CD-ROM

magnetic

Hard disks are made up of one or more metal platters with a coating consisting of ____ particles.
a. magnetic c. photonic
b. atomic d. silicon

port

Keyboards, and most other I/O devices, connect to the motherboard through a(n) ____.
a. socket c. channel
b. adapter d. port

raster

The process of painting an image on the screen of a monitor is called ____ scanning.
a. raster c. cathode
b. roster d. dpi

resolution

Printers are rated by both printing speed and ____ of output.
a. definition c. size
b. variety d. resolution

interrupt

When an I/O device places a voltage signal on a(n) ____ line, the associated chip checks its priority before passing it on to the CPU.
a. poll c. interrupt
b. job d. JCL

drivers

Interface programs that allow a computer to interact with peripheral devices are called ____.
a. shell scripts
b. applets
c. drivers
d. monitors

kernel

The ____ is the core of the OS.
a. file manager
b. scheduler
c. GUI
d. kernel

platform

The operating system running on a computer is often called its ____ and is typically tied to a particular CPU.
a. support
b. platform
c. intermediary
d. driver

multiprocessing

Which of the following terms refers to computing with more than one CPU?
a. multitasking
b. multilayering
c. multileveraging
d. multiprocessing

Windows XP

Which of the following operating systems supports multitasking?
a. Windows XP
b. CP/M
c. MS-DOS
d. Apple II

managing resources

Which of the following is a primary function of an operating system?
a. managing resources
b. generating documents
c. generating flowcharts
d. solving differential equations

command

Console operating systems prompt users to interact through a(n) ____ line.
a. operational
b. flow
c. programming
d. command

process

A program that is currently executing is called a ____.
a. code segment
b. process
c. JCL
d. regular routine

UNIX

Which of the following operating systems was designed to accommodate multiple users and multiple tasks?
a. DOS
b. CP/M
c. UNIX
d. Windows 3.0