VIBS 420 Quiz 1
The binary system has just two distinct digits, ________, called bits.
0 and 1
_____________ comprise an information processing system.
All of the above
The _____ executes programs ("software") which tell the computer what to do.
CPU
_________ is a collection of raw, unprocessed facts, figures, and symbols.
Data
T/F Compact Disk (CD-ROM) music, DVD video and computers are examples of analog data representation.
F
T/F Due to slowly changing technology, the distinction among categories of computers is always clear-cut.
F
T/F Few computers today can communicate with other computers.
F
T/F Industry experts typically classify computers into three categories: desktop computers, notebook computers, and mobile devices
F
T/F MB is the abbreviation of Megabyte, 1MB equals to 100KB.
F
T/F Mainframes store only small amounts of data, instructions, and information.
F
T/F Mobile devices usually have disk drives.
F
T/F Notebook computers are generally less expensive than desktop computers with equal capabilities.
F
T/F The digit one (1) represents off (or low voltage) and the digit zero (0) represent on (or higher voltage).
F
T/F The electronic components in modern computers are undependable because they have a high failure rate.
F
A computer contains many electric, electronic, and mechanical components known as?
Hardware
___________ is data that is organized, meaningful, and useful to a particular user or group of users.
Information
_____ is/are the steps that tell the computer how to perform a particular task.
Instructions
The _______ (two words) is a box-like case that contains electronic components of the computer used to process data.
System unit
T/F An information system combines hardware, software, data, people, and procedure to produce timely and useful information.
T
T/F Computers perform the information processing cycle operations (input, process, output, and storage) with amazing speed, reliability, consistency, and accuracy
T
T/F Input and output devices allow the computer to communicate with the user and the outside world.
T
T/F Programmers use a programming language or program development tool to create computer programs.
T
T/F The American Standard Code for Information Exchange, or ASCII, is the most common coding system used on personal computers today.
T
T/F The operating system contains instructions that allow users to run application software.
T
T/F A computer keyboard contains keys users press to enter data into the computer.
T
T/F Most operating systems include several utility programs for managing disk drives, printers, and other devices.
T
T/F The user interface controls how data and instructions are entered and how information displays on the screen.
T
T/F Two main components on the motherboard are the processor and memory.
T
The ___________ combines features of the traditional notebook computer with the simplicity of pencil and paper.
Tablet PC
A computer's ____________ determine the category it best fits.
all of the above
Storage hold __________ for future use.
all of the above
The ________ system has just two distinct digits, 0 and 1, called bits.
binary
A(an) ____ is a contraction for a binary digit and is the smallest unit of data that the computer can represent.
bit
A bit by itself does not represent much data. However, if eight bits are grouped together they become a ______.
byte
A(n) ______________ is an electronic device, operating under the control of instructions stored in its own memory, that can accept data, manipulate the data according to specific rules, produce results, and store the results for future use.
computer
As computers become more a part of daily living, many people believe that ________________ is/are vital to success.
computer literacy
Computer process _____________________.
data into information
A(n) __________ computer is a type of personal computer designed so the system unit, input devices, and any other devices fit entirely on or under a desk or table.
desktop
Most computers operate using _______ data modes.
digital
GB is the abbreviation of _________.
gigabyte.
Software today has a _________________, like that shown in the accompanying figure.
graphical user interface
A(n) ___________ is any hardware component that allows users to enter data or instructions into a computer.
input device
A(n) ___________ is a large, expensive, very powerful computer that can handle hundreds or thousands of connected users simultaneously and store tremendous amounts of data, instructions, and information.
mainframe
Data enters the computer through the input device, and then processing occurs at the processing unit. The processing units is the _______________.
microprocessor chip
A(n) __________ computer is more powerful and larger than a workstation computer and typically supports couple hundred connected computers at the same time.
midrange
A(n) _____________ is more powerful than a workstation, but less powerful than a mainframe.
midrange server
A(n) ____________ computer is a personal computer that users can carry from place to place.
mobile (or notebook or laptop)
A widely used communication device is a __________.
modem
The most popular type of mobile computer is the ________________.
notebook computer
A(n) _________ computer is a computer that can perform all of its input, processing, output, and storage activities by itself.
personal
Two types of ________________ are desktop computers and notebook computers.
personal computers
All of the following are widely used input devices except the _____.
printer and monitor
The __________ is the electronic component that interprets and carries out the basic instructions that operate the computer.
processor
Each of the following is a commonly used output device except _____.
scanner
Most computers have four types of hardware components: input, processor, ____________ and output.
storage (auxiliary storage)
A(n) ___________ is the fastest, most powerful, computer - and the most expensive.
supercomputer
A computer keeps permanent data, instructions, and information on _________________________ such as floppy disks, hard disks, CDs, and DVDs. (one word)
system unit
An expensive, powerful desktop computer is the ___________, which is geared for work that requires intense calculations and graphic capabilities.
workstation