Rob Filippi Final Exam Questions Chapter 9 The program counter is

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Rob Filippi Final Exam Questions
Chapter 9
1. The program counter is a register in a computer that stores the address of the next instruction
to be executed.
2. A computer is a device that deterministically follows instructions to process information.
3. An Operating System is software that performs tasks for the computer.
4. T/F: Instruction Fetch is the first step in the Fetch/Execute Cycle. TRUE
5. T/F: Silicon is used as a semiconductor. TRUE
6. T/F: Canal is the physical medium over which signals are set. FALSE – CHANNEL
7. EX stands for:
a. Instruction Execution
b. Extreme
c. Ex-compute
d. Erase Xross
8. What determines the rate of the Fetch/Execute Cycle?
a. Cycle
b. Speed
c. Clock
d. Frequency
Chapter 11
1.
2.
3.
4.
5.
6.
7.
The sampling rate is the number of samples per second.
The term binary means having two related components
Latency is the time required to deliver or generate information.
T/F: The DAC creates an electrical wave by interpolation between the digital values. TRUE
T/F: In terms of file extensions, MPG stands for miles per gallon. FALSE
T/F: Frequency is the number of waves per second. TRUE
A representation in which numbers are used to give the length of consecutive sequences of 0s
and 1s:
a. Bit encoding
b. Run-length encoding
c. Fast encoding
d. Efficient coding
8. Which of the following is a valid binary number
a. 0010
b. 100L
c. C93H
d. 02001
Chapter 18, 19
1. In HTML a form is used to collect user input.
2. A memory address is a whole number that designates a specific location in a computer’s
memory.
3. In JavaScript (and other programming languages), modulus divides two integers and returns the
remainder.
4. T/F: Feedback on a GUI is an indication that the computer is working or has completed a
request. TRUE
5. T/F: JavaScipt has event-based programming – TRUE
6. T/F: Angle brackets are called place-brackets – FALSE meta-brackets.
7. An organizing mechanism for database entities
a. Divs
b. Headers
c. Tables
d. Branches
8. JavaScript is
a. A type of coffee
b. A product of Apple
c. A piece in a play
d. A programming language
Chapter 14, 15
1.
2.
3.
4.
5.
6.
7.
8.
Inconsistency is the same information stored differently in rows or tables.
A database query is an operation that creates a database view.
A tuple is a set of values for the attributes of an entity; also called a row.
T/F: One-to-one is a relation where many rows of one table refer to one row of a second table.
– FALSE Many-to-one
T/F: In databases, a field is a property of an entity; also called an attribute. TRUE
T/F: A table with a name and column headings, but no rows is called a header table – FALSE
empty table.
A _________ database is when the tables are stored on the disk drive
a. Logical
b. Physical
c. Special
d. Spatial
In databases, inconsistent data is called:
a. Garbage
b. Loss data
c. Inverted data
d. Spaghetti
Chapter
Chapter 16, 17
1.
2.
3.
4.
5.
6.
7.
8.
GUI stands for graphical user interface.
Identity theft is the crime of posing as someone else for fraudulent purposes.
Decrypt means to recover the original information from a digitally encrypted representation.
T/F: The candidate key is a relational database field that could potentially be chosen as the
table’s key. – TRUE
T/F: The twenty-seven-way cipher is a form of encryption that cannot easily be reversed. – False
the one-way cipher
T/F: Password a sequence of characters that one must input to gain access to a file, application,
or computer system. – TRUE
A correspondence between two tables of a database is called
a. A friendship
b. A pair
c. A relationship
d. A feud
Information stored on a Web client computer by an HTTP server computer is called
a. A cookie
b. A cake
c. A waffle
d. A cell
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