Midterm review questions CSS
start the computer
Booting a computer means to: Select one: a. restart the computer b. run a program from the hard disk c. start the computer d. None of these
Choose information from respected organizations.
Identify a method used to find authoritative information. Select one: a. Obtain the information needed from Wikipedia. b. Choose information from respected organizations. c. Choose reports from tertiary sources. d. Seek a single online source.
American Standard Code for Information Interchange
What does ASCII stand for? Select one: a. Algorithmic Sequence of Computer Integrated Information b. All Standards Complete Initialization Interface c. Aspiring Students Confused by Incoherent Incantations d. American Standard Code for Information Interchange
Check that the error is reproducible.
What is the first step of debugging? Select one: a. Check "obvious" error sources. b. Generate a theory to explain the problem. c. Isolate the problem. d. Check that the error is reproducible.
authoritative information
What type of information comes from experts? Select one: a. authoritative information b. information found in Google's Advanced Search c. information found in a library d. information on the Web
B. images are inserted in the text in the same relative sequence as they are typed in the HTML and the text is aligned with the bottom of the image
When an image is inserted next to text in an HTML document, keep in mind that generally: Select one: a. text cannot be placed on the same line as the image b. images are inserted in the text in the same relative sequence as they are typed in the HTML and the text is aligned with the bottom of the image c. images are in the text where specified by the HTML and the text is aligned with the right of the image d. the size of the text is automatically adjusted to fill the area beside the image
Copy/Paste (C/P)
When editing, which method allows the user to reproduce content from another location? Select one: a. Find b. Copy/Paste (C/P) c. Find/ReplaceAll (F/RA) d. typing or drawing the content
True
When we install a new app, we should immediately and intuitively perform two important activities: "clicking around" and "blazing away." Select one: True False
desktop metaphor
Which GUI metaphor features file cabinets and wastebaskets as typical components? Select one: a. Windows metaphor b. touch metaphor c. office metaphor d. desktop metaphor
Add 1 to the total number of students registered.
Which of the following is a good example of effectiveness? Select one: a. Add 1 to the total number of students registered. b. Subtract the amount spilled from the amount in the glass. c. Add the predicted rainfall for the current month to the rainfall amount for the previous month. d. Enter the test score you would have gotten had you studied harder.
Skim top-level information and decide which links to explore further.
Which of the following is an effective technique in using the hit list? Select one: a. Check every hit by opening the link. b. Randomly select the links to open. c. Skim top-level information and decide which links to explore further. d. Follow the target until you establish a pattern
Add A and B. Divide the sum by C. If C = 0, the solution is "undefined."
Which of the following is an example of definiteness? Select one: a. Add and multiply values A, B, and C to obtain the result. b. Add A and B. Divide the sum by C. If C = 0, the solution is "undefined." c. Use multiplication and addition operations to solve the problem. d. All of these
All of these
Which of the following is an example of the computer providing feedback to the user? Select one: a. Editing changes become visible on the screen. b. The cursor changes to indicate an operation is in progress. c. A progress bar shows how much of the work is done. d. All of these
Assembly
Which of the following is not an operating system? Select one: a. Linux b. Windows 7 c. Assembly d. Unix e. Mac OS X
high-level language conversion to binary
Which of the following is not controlled by the operating system? Select one: a. I/O devices management b. memory management c. Internet connection management d. high-level language conversion to binary
hops
Before a packet reaches its destination, it usually will visit a sequence of computers. The steps it takes from one to the next are called: Select one: a. hops b. skips c. jumps d. vaults
False
Blazing away is justified by the consistent interface, while clicking around is justified because running software can't break the computer. Select one: True False
4
How many bits does each hex digit require? Select one: a. 2 b. 4 c. 16 d. Hex is not measured in bits.
16
How many digits are there in the hexadecimal system? Select one: a. 2 b. 4 c. 10 d. 12 e. 15 f. 16
assigns an IP address to the computer from a list of possible addresses
A DHCP (Dynamic Host Computer Protocol): Select one: a. makes sure a computer gets the same IP every time it connects to the network b. lets the computer select its own IP when it connects to the network c. assigns an IP address to the computer from a list of possible addresses d. maintains a LAN's connection to the Internet
All of these
A computer algorithm must have: Select one: a. a specified input and output b. definiteness c. effectiveness d. All of these
features layers of software of increasing complexity
A computer system's software stack: Select one: a. makes a programmer's job much more complex b. is comprised of layers which do not interact c. features layers of software of increasing complexity d. is analogous to house construction when replicating the software
Nyquist rule
A digitization guideline stating that the sampling frequency should exceed the signal frequency by at least two times is the: Select one: a. Sample Rate rule b. Analog-Digital rule c. Nyquist rule d. Leibniz rule
Class
A family of styling specifications with a common name is called a: Select one: a. tree b. text document c. class d. HTML document
provides guidelines for finding a solution
A heuristic process: Select one: a. is guaranteed to work 100 percent of the time b. yields the specified answer or reports back that no such answer exists c. provides guidelines for finding a solution d. All of these
compiler
A kind of software that translates a programming language into machine instructions is a(n): Select one: a. browser b. compiler c. driver d. algorithm
escape symbol
A letter with an accent mark, for example, ñ, is displayed using the: Select one: a. accent symbol b. escape symbol c. mark symbol d. special symbol
1/1,000,000,000th of a second
A nanosecond is: Select one: a. 1/1,000,000th of a second b. 1/1,000,000,000th of a second c. 1/100th of a second d. 1/1,000th of a second
False
Apple invented the mouse, and the Macintosh first introduced the mouse technology to the public. Select one: True False
binary object file
A program form directly executable by a computer is the: Select one: a. assembly source file b. binary object file c. device driver file d. high-level language file
domain
A related group of networked computers forms a: Select one: a. domain b. server c. broadband d. DNS
crawler and a query processor
A search engine consists partly of a: Select one: a. link and a crawler b. snoop and a bull's-eye c. crawler and a query processor d. spider and a web
one of the words to be found on the page
A search using the logical operator OR requires: Select one: a. one of the words to be found on the page C b. both of the words to be found on the page c. both words to be found together on the page d. None of these
True
ARM, which stands for Advanced RISC Machine, is a standard computer that is often embedded in other kinds of chips or is a component of consumer devices. Select one: True False
True
Computing in its most general form involves data, software, and hardware. Select one: True False
True
Describing a technical problem using the right words helps facilitate a speedy and helpful answer from tech support. Select one: True False
uses bits to represent both positive and negative values
Digitizing sound: Select one: a. uses bits to represent both positive and negative values b. requires lossless compression techniques c. is always more accurate than recording with an analog device d. achieves perfection using an unlimited number of bits
False
Due to its affordability, Xerox manufactured mass quantities of the Alto personal computer for businesses. Select one: True False
True
Feedback is an indication that either the computer is still working or it is done. Select one: True False
True
Finding errors in software is easy, but diagnosing the cause is difficult. Select one: True False
is a lossless encoding scheme
GIF encoding: Select one: a. can display 1024 different colors b. was invented by the Joint Photographic Experts Group of the ISO c. is a lossless encoding scheme d. is used for photographs
downloading
Getting files from a Web server is called: Select one: a. client-based networking b. uploading c. multicasting d. downloading
The correct answer is: 0111
Give the 4-bit binary equivalent for the following decimal number: 7
The correct answer is: 0100 0001
Give the 8-bit binary equivalent for the following decimal number: 65
11
Give the decimal equivalent for the following 4-bit binary number: 1011
14
Give the decimal equivalent for the following 4-bit binary number: 1110
The correct answer is: 203
Give the decimal equivalent for the following 8-bit binary number: 1100 1011
are input/output technology for interacting with our sense of touch and feel
Haptic devices: Select one: a. rapidly display still images as a way to fool our eyes and brain b. Use a combination of half audio and half video signals Incorrect c. are input/output technology for interacting with our sense of touch and feel d. are used to keep out "spambots"
slash (/)
In a directory hierarchy in a Web address, folder names are separated by a: Select one: a. slash (/) b. backslash (\) c. dot (.) d. space
source value
In relation to Copy/Paste/Edit, which of the following terms refers to information before it is transformed or edited to a new form? Select one: a. original value b. final value c. source value d. target value
target value
In relation to Copy/Paste/Edit, which of the following terms refers to the intended result of transforming or editing information? Select one: a. target value b. source value c. original value d. final value
fail-soft
In software, a program that continues to operate but with possibly degraded functionality is called: Select one: a. bug-safe b. fail-soft c. fail-safe d. fault-tolerant
True
In software, the agent is anything that can follow instructions. Select one: True False
Instruction Decode (ID) step
In the Fetch/Execute Cycle, the action of determining which operation is to be performed and computing the addresses of the operands occurs during the: Select one: a. Instruction Execute (EX) step b. Instruction Fetch (IF) step c. Data Fetch (DF) step d. Instruction Decode (ID) step
Instruction Execute (EX) step
In the Fetch/Execute Cycle, the action of performing a machine instruction occurs during the: Select one: a. Instruction Decode (ID) step b. Instruction Execute (EX) step c. Data Fetch (DF) step d. Instruction Fetch (IF) step
Data Fetch (DF) step
In the Fetch/Execute Cycle, the action of retrieving the instruction's operands from memory occurs during the: Select one: a. Instruction Execute (EX) step b. Instruction Fetch (IF) step c. Data Fetch (DF) step d. Instruction Decode (ID) step
True
It took approximately 3 years to finish building the ENIAC. Select one: True False
gigahertz
On the computer, one billion clock ticks per second is called one: Select one: a. megahertz b. gigahertz c. nanohertz d. terahertz
Highlighted link text, specified inside <a...> tags, describing the page to which it links
One example of descriptive text is anchor text, which is: Select one: a. highlighted link text, specified inside <a...> tags, describing the page to which it links b. a textual description of a picture c. included within a <meta...> tag d. a phrase within <title> tags
False
Perfect reproduction is a property of analog information. Select one: True False
digital information
Perfect reproduction is a property of: Select one: a. source information b. target information c. analog information d. digital information
Find/ReplaceAll (F/RA)
Placeholders can be inserted throughout your work for all long, commonly occurring phrases, and the placeholders can later be changed easily using: Select one: a. Copy/Paste (C/P) b. metaphors c. Copy/Paste/Edit (C/P/E) d. Find/ReplaceAll (F/RA)
open source
Software for which the source code is publically available is called: Select one: a. open source b. public code c. free source d. HTML
False
Something can't be considered a computer unless it has a keyboard attached to it. Select one: True False
Boot ROM
The Basic Input/Output System (BIOS) is stored on a microchip called the: Select one: a. ARM processor b. kernel c. flash memory package d. Boot ROM
<b></b>
The HTML tag for bold text is: Select one: a. <bb></bb> b. <i></i> c. <bld></bld> d. <b></b>
5
The Hawaiian alphabet has 18 symbols. How many bits are needed to represent just these symbols? Select one: a. 2 b. 4 c. 5 d. 16
encodes letters as words
The NATO broadcast alphabet: Select one: a. encodes letters as words b. makes it difficult to distinguish between different letters c. encodes all digits using unusual names d. is very efficient minimizing the amount of memory needed to store each letter
is binary
The PandA system: Select one: a. contains gray b. is binary c. is formed from 256 letter representations d. has 10 digits
True
The camera of a smart phone would be classified as an input device. Select one: True False
programming language, assembly language, and binary
The correct order from lowest to highest level of detail of the same program is: Select one: a. binary, assembly language, and programming language b. binary, programming language, and assembly language c. programming language, assembly language, and binary d. assembly language, programming language, and binary
flick
The gesture described as a quick sweep with the finger leaving the surface is known as a: Select one: a. flick b. tap c. sweep or swipe d. drag
control unit
The hardware implementation of the Fetch/Execute Cycle is the: Select one: a. RAM b. control unit c. peripherals d. input/output (I/O) ports
the interpretation placed on them by computer programs
The meaning of bits depends upon: Select one: a. the principles applied by the transmission medium b. their inherent meaning c. the interpretation placed on them by computer programs d. the ability to perform analog-to-digital conversion
Douglas Engelbart and others at Stanford Research Institute
The mouse was invented by: Select one: a. Aung San Suu Kyi in Burma b. Bill Gates at Microsoft Incorrect c. Steve Jobs and Steve Wozniak at Apple d. Douglas Engelbart and others at Stanford Research Institute
PC+4
The next instruction in a Fetch/Execute cycle on a 32-bit system is usually at the memory address: Select one: a. PC + 4 b. PC-2 c. PC d. PC*4
page rank
The order in which "hits" are returned by a search engine is determined by: Select one: a. page rank b. meta data c. page order d. anchor text
7-bit code
The original version of ASCII used: Select one: a. 4-bit code b. 7-bit code c. 8-bit code d. 16-bit code
False
The placeholder technique is a two-step process: hide and restore. Select one: True False
<br />
The preferred way to specify a break that continues the text on the next line in a Web page is: Select one: a. <br /> b. by pressing the 'enter' key c. <br></br> d. <linebreak>
True
The primary reason for consistency across computer applications is that certain operations are fundamental to processing information no matter what the application. Select one: True False
next instruction in the control unit
The program counter keeps track of the: Select one: a. number of programs the computer is running b. number of memory addresses used c. next instruction in the control unit d. current instruction in Fetch/Execute
intersecting
The query processor processes an AND query by: Select one: a. intersecting b. crawling c. removing duplicates d. using a GUI
<th> and </th>
The tags used to specify table headings/column headings are: Select one: a. <ch> and </ch> b. <hd> and </hd> c. <th> and </th> d. <cd> and </cd>
Collating Sequence
This places information in order by using non-digit symbols. Select one: a. Collating Sequence b. PandA Representation c. Bytes d. All of these
parity
This refers to whether a sequence of bits has an even or odd number of the digit "1", as opposed to the digit "0". Select one: a. PandA b. the place system c. computer memory d. parity
Error Console
To assist with HTML debugging, errors discovered by FireFox while rendering a page can be listed by going to the: Select one: a. HTML Debugger b. HTML Compiler c. Diagnostic Analyzer d. Error Console
before the <html...> tag
To benefit from an automatic validation service that ensures a Web page works for all Web surfers, where should the additional lines of code be inserted in the HTML code? Select one: a. before the <html...> tag b. immediately following the <title> tags c. at the end of the file d. within the <body> tags
a definitional list
To create a Web page with along with a description of their purpose, it would be best to use: Select one: a. an ordered list b. an unnumbered list c. a definitional list d. a table
False
Transistors helped advance computing because they complicated the assembly process. Select one: True False
reproduced
Using only 0s and 1s means the information can be perfectly: Select one: a. reproduced b. converted to a placeholder c. consistent d. turned into a desktop
Find pi.
Which of the following lacks finiteness? Select one: a. Bake for 50 minutes at 375 degrees. b. Read Chapter 10. c. Repeat until you get to the end of the file. d. Find pi.
All of these
Which research practice will help ensure that highly reliable information is obtained? Select one: a. Question the information. b. Never rely on a single source. c. Assess the site's authoritativeness. d. All of these
OCR systems can easily interpret words created by reCaptcha.
Which statement is incorrect? Select one: a. OCR's business applications include sorting mail and banking. b. OCR can be used to read the handwritten digits on checks. c. OCR systems can easily interpret words created by reCaptcha. d. OCR is very sophisticated technology.
