CS 1030 Midterm Review -Connecting With Computer Science
Fiber-optic cable is made of:
Glass
Which of the following is an example of an HTML tag?
HTML
Which of the following is not an Internet-related protocol?
HTML
Which of the following protocols makes the Web possible?
HTTP
Which is a better signal-to-noise ratio?
High
Which type of I/O processing is most efficient?
Interrupt
What is the likely motivation of an undirected hacker?
Technical challenge
IBM has some of its origins in what 1890 event?
The U.S. Census
The purpose of HTTP is to:
Transfer Web pages
Which of the following is an example of a URL?
www.cengage.com
What is the set of possible values for a column?
Domain
Modems convert binary digits into sounds by modulating tones.
True
Which of the following is not one of the OSI model layers?
Wireless
Inputs of 1 and 0 to an XOR gate produce what output?
1
What is the binary equivalent of the decimal number 543?
1000011111
What numeric value in base 10 does the binary number 10000001 represent?
129
What base 10 value is equivalent to 3C0D16?
15,373
What is the positional value of the A in the hexadecimal number BEAD?
16
What is the positional value of the 1 in the binary number 100000?
32
What base 16 value is equivalent to the decimal number 1234?
4D2
What is the largest NUMBER OF ITEMS that can be represented with four hexadecimal digits?
65,536
What is the minimum number of bits required to represent 256 colors?
8
Which of the following standards is used in wireless networking?
802.11
Which HTML tag is used to provide links to other pages?
A
What does the subscript 16 indicate in the number C4A6 16?
A base 16 number
Which is NOT a step of the database design process?
Add the data
In a computer, what function does a decoder usually perform?
Addressing memory
Name the four important elements of Babbage's Engine that are components of today's computer.
An input device, memory, a central processing unit, an output device
What is the likely motivation for a directed hacker?
Anger, greed, politics
A(n) __________________ is a data structure consisting of contiguous memory locations.
Array
The ____________________ contains instructions and data that provide the startup program for a computer.
BIOS
A(n) _______________ is used in an array to access each element.
Both Index and Subscript
A ______________________ in computer terminology is a set of wires and protocols designed to facilitate data transfer.
Bus
Which of the following is NOT a valid DBMS?
C++
What does a modification attack do?
Changes software and information
What numeric value in hexadecimal is equivalent to the binary number 1101111010101101?
DEAD
Which Internet protocol is used to assign IP addresses automatically?
DHCP
First normal form says:
Eliminate repeated fields
Second normal form says:
Every column that's not part of the primary key is fully dependent on the primary key
Computer security affects:
Everyone
DSL is a combination of what two types of multiplexing?
FDM and TDM
A hub has a single input and a single output.
False
A single array can contain information of different data types (integers, characters, decimals, etc.)
False
A table is divided into databases.
False
Arrays are a good data structure to use with dynamic data.
False
By default, data returned by the SQL SELECT statement is in descending order.
False
In hardware, the next step up from the transistor was the transmitter.
False
The statement char[] aAnswers = new char[5] declares an array that has memory locations of 1 through 5.
False
The term "hacker" originally had a negative connotation.
False
Which of the following is not one of the bus signal groups?
Fetch
Which type of guided medium is the least susceptible to attenuation and inductance?
Fiber-optic cable
FIFO is an acronym for:
First in, first out
Which of the following circuit types is used to create SRAM?
Flip-flop
LIFO is an acronym for:
Last in, first out
Third normal form says:
No nonkey columns depend on another nonkey column
Which of the following SQL SELECT options is used to organize the data being returned?
ORDER BY
Which of the OSI layers is involved with a network's electrical specifications?
Physical
What uniquely identifies a row in a table?
Primary key
Which type of memory can't be written to easily?
ROM
Which of the following memory types is the fastest?
SRAM
Which portion of the TCP/IP protocol suite provides error detection and correction?
TCP
What important concept is attributed to John Von Neumann?
The stored program concept
What features of transistors made them superior for computers, compared with vacuum tubes?
They were cheaper, smaller, and cooler than tubes and lasted longer
Which of the OSI layers is responsible for the guaranteed delivery of data?
Transport
A Queue uses a FIFO structure.
True
A stack uses LIFO structure.
True
Routers are critical to the operation of the Internet.
True
Most computers today are based on:
Von Neumann architecture
