CSC 121 MULTIPLE CHOICE QUESTIONS AND
CORRECT ANSWERS
In order to be classified as a a "computer" a device must have a keyboard and display
screen - Answers - False
A bus is a collection of wires that carry information as electrical signals between the
hardware components of a computer - Answers - True
As computer programs can be complex and difficult to write, they are known as
"hardware" - Answers - False
A bit is a unit of data that corresponds to one of two potential values (commonly written
as 0 and 1) - Answers - True
A kilobyte of storage is 2^10= 1,024 bytes, where a byte is a collection of 8 bits -
Answers - True
Since 8 bits can represent up to 256 different values, it follows that 16 bits can
represent up to 512 different values - Answers - True
A hard drive is classified as a volatile memory because it requires a constant power
supply in order to retain its info. - Answers - False
A keyboard and mice are examples of computer input devices - Answers - True
Microsoft Word and Adobe Photoshop are examples of operating systems - Answers -
False
A directory is a collection of files that are organized together and labeled with a common
name - Answers - True
The three components that make up the VonNeumann architecture are the CPU,
memory, and input/output devices. - Answers - True
A byte which consists of 8 bits, can represent 256 (2^8) different values. How many
different values can two bytes (16 bits) represent? - Answers - 65,536
Which of the following kinds of memory is volatile (i.e., requires a constant power supply
to maintain its contents)? - Answers - RAM/CACHE
, Which of the following are tasks carried out by an operating system - Answers - Control
the CPU's operation, controlling how data and instructions are loaded from memory and
accessed by the CPU;
Manage the file system, organizing storage into files an directories;
Provide a graphical user Interface to make using the computer easier.
The World Wide Web was developed in the early 1970s, shortly after the creation of the
Internet. - Answers - False
The original vision of the Web as well as the first Web browser and server software are
credited to Tim-Berners-Lee - Answers - True
A Web server is a piece of software that requests and displays web pages - Answers -
False
Microsoft marketed the first commercial Web browser - Answers - False
Mozilla Firefox is the most popular Web browser in the world today - Answers - False
A web page can only link to other pages that are stored on the same web server -
Answers - False
The PageRank algorithm is used by the Google Search engine to rank search matches
by relevance and trust worthiness - Answers - True
In most Web browsers, cookies are used to save local copies of downloaded pages and
files in order to save time when they are accessed again. - Answers - False
In the URL http://compsciconcepts.com/index.html, the prefix http:// specifies that the
page is stored on a web server and should be retreived using the HTTP protocol. -
Answers - True
In the URL http://compsciconcepts.com/index.html, the middle portion of the address,
compsciconcepts.com, identifies the web server where the page is stored. - Answers -
True
The protocol that defines how Web browsers and servers communicates with each
other is the HyperText Transfer Protocol - Answers - True
Tim Berners-Lee invented the Web and developed the first Web browser and server
software - Answers - True
A Web page is a text document that contains formatting information written in the
Hypertext Markup Language (HTML) - Answers - True
CORRECT ANSWERS
In order to be classified as a a "computer" a device must have a keyboard and display
screen - Answers - False
A bus is a collection of wires that carry information as electrical signals between the
hardware components of a computer - Answers - True
As computer programs can be complex and difficult to write, they are known as
"hardware" - Answers - False
A bit is a unit of data that corresponds to one of two potential values (commonly written
as 0 and 1) - Answers - True
A kilobyte of storage is 2^10= 1,024 bytes, where a byte is a collection of 8 bits -
Answers - True
Since 8 bits can represent up to 256 different values, it follows that 16 bits can
represent up to 512 different values - Answers - True
A hard drive is classified as a volatile memory because it requires a constant power
supply in order to retain its info. - Answers - False
A keyboard and mice are examples of computer input devices - Answers - True
Microsoft Word and Adobe Photoshop are examples of operating systems - Answers -
False
A directory is a collection of files that are organized together and labeled with a common
name - Answers - True
The three components that make up the VonNeumann architecture are the CPU,
memory, and input/output devices. - Answers - True
A byte which consists of 8 bits, can represent 256 (2^8) different values. How many
different values can two bytes (16 bits) represent? - Answers - 65,536
Which of the following kinds of memory is volatile (i.e., requires a constant power supply
to maintain its contents)? - Answers - RAM/CACHE
, Which of the following are tasks carried out by an operating system - Answers - Control
the CPU's operation, controlling how data and instructions are loaded from memory and
accessed by the CPU;
Manage the file system, organizing storage into files an directories;
Provide a graphical user Interface to make using the computer easier.
The World Wide Web was developed in the early 1970s, shortly after the creation of the
Internet. - Answers - False
The original vision of the Web as well as the first Web browser and server software are
credited to Tim-Berners-Lee - Answers - True
A Web server is a piece of software that requests and displays web pages - Answers -
False
Microsoft marketed the first commercial Web browser - Answers - False
Mozilla Firefox is the most popular Web browser in the world today - Answers - False
A web page can only link to other pages that are stored on the same web server -
Answers - False
The PageRank algorithm is used by the Google Search engine to rank search matches
by relevance and trust worthiness - Answers - True
In most Web browsers, cookies are used to save local copies of downloaded pages and
files in order to save time when they are accessed again. - Answers - False
In the URL http://compsciconcepts.com/index.html, the prefix http:// specifies that the
page is stored on a web server and should be retreived using the HTTP protocol. -
Answers - True
In the URL http://compsciconcepts.com/index.html, the middle portion of the address,
compsciconcepts.com, identifies the web server where the page is stored. - Answers -
True
The protocol that defines how Web browsers and servers communicates with each
other is the HyperText Transfer Protocol - Answers - True
Tim Berners-Lee invented the Web and developed the first Web browser and server
software - Answers - True
A Web page is a text document that contains formatting information written in the
Hypertext Markup Language (HTML) - Answers - True
