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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