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.