If the P(E) = 1, it means event
a. does not occur
b. always occur
c. no probability
d. Normalization

1 Answer

Answer :

b. always occur

Related questions

Description : Information per source is called a. A. sampling b. B. quantization c. C. entropy d. D. normalization

Last Answer : c. C. entropy

Description : An alphabet consist of the letters A, B, C and D. The probability of occurrence is P(A) = 0.4, P(B) = 0.1, P(C) = 0.2 and P(D) = 0.3. The Huffman code is a. A = 01 B = 111 C = 110 D = 10 b. A = 0, B = 100, C = 101, D = 11

Last Answer : b. A = 0, B = 100, C = 101, D = 11

Description : Probability model is based on a. Probability b. Physics c. Frequency d. None

Last Answer : c. Frequency

Description : Extended Huffman method is used due to a. Large alphabet b. Skewed probability c. Equal probability d. Both (a) and(b)

Last Answer : b. Skewed probability

Description : In dictionary techniques for data compaction, which approach of building dictionary is used for the prior knowledge of probability of the frequently occurring patterns? a. Static Dictionary b. Adaptive Dictionary c. both a and b d. None of the above

Last Answer : a. Static Dictionary

Description : If the probability is not given which method is preferable a. Huffman b. Non Binary Huffman c. Adaptive Huffman d. Extended Huffman

Last Answer : c. Adaptive Huffman

Description : A sport/event organization that wants to obtain information about the population in a certain geographic location might use A. Government sources B. Primary Databases C. Personal Questionaires D. telephone surveys

Last Answer : B. Primary Databases

Description : Which of the following is a secondary source of sport/event information: A. Accounting records B. Demographic reports C. Computerized surveys D. Personal interviews

Last Answer : B. Demographic reports

Description : Calculate the entropy for : P(A) = 0.4, P(B) = 0.2, P(C) = 0.2, P(D) = 0.1,P(E) =0.1 a. 1.24 b. 1.22 c. 1.28 d. 1.30

Last Answer : b. 1.22

Description : Which of the following is a benefit of lossy compression over lossless? A. File sizes will always be reduced, even when compressed multiple times. B. File quality is not harmed, e.g. ... can be decompressed back to their original uncompressed form. D. File sizes are usually significantly smaller.

Last Answer : C. Files can be decompressed back to their original uncompressed form.

Description : .............. means that a printed document will appear exactly as it does on-screen A. Layout B. Publish C. Clip art D. WYSIWYG

Last Answer : C. Clip art

Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is A. 8.0 bit B. 2.0 bit C. 1.9 bit D. 2.1 bit

Last Answer : C. 1.9 bit

Description : A Huffman code: A = 1, B = 000, C = 001, D = 01 ,P(A) = 0.4, P(B) = 0.1, P(C) = 0.2, P(D) = 0.3 The average number of bits per letter is a. 8.0 bit b. 2.0 bit c. 1.9 bit d. 2.1 bit

Last Answer : c. 1.9 bit

Description : Spurious tuples may occur due to i. Bad normalization ii. Theta joins iii. Updating tables from join a) i& ii b) ii & iii c) i& iii d) ii & iii

Last Answer : a) i& ii b) ii & iii

Description : Relational database schema normalization is NOT for: (A) reducing the number of joins required to satisfy a query. (B) eliminating uncontrolled redundancy of data stored in the database. (C) ... could otherwise occur with inserts and deletes. (D) ensuring that functional dependencies are enforced. 

Last Answer : reducing the number of joins required to satisfy a query.

Description : Which best describes Lossless Compression? A. No information is lost but file size is increased B. There is no loss in information at all after compression C. Files which have the exact same data after compression D. Compression that involves an algorithm

Last Answer : B. There is no loss in information at all after compression

Description : In the encoded file, which type of changes are made in sysmbols ? a. They are compressed b. They are changed to a letter or symbol c. They are represented in the graphical form d. No changes are made

Last Answer : d. No changes are made

Description : Source of information depending on finite no of outputs is called a. A. markov b. B. finite memory source c. C. zero source d. D. Both A and B

Last Answer : d. D. Both A and B

Description : In an all weld tensile test, the original specimen gauge length was 50mm, and after the test the increased gauge length was 65mm, what is the elongation percentage? a) % A is 40 b) % A is 60 c) % A is 30 d) % A is 36

Last Answer : c) % A is 30

Description : To divide information among cells A. Wrap B. Split C. Lock D. Column

Last Answer : B. Split

Description : To change the font size in order to display more text or other data A. Border B. Shading C. Shrink to fit D. Printing area

Last Answer : A. Border

Description : To make lines of text appear on multiple lines of a cell A. Wrap B. Split C. Lock D. Column

Last Answer : D. Column

Description : A webpage is an example of an ........... electronic document A. Comp B. DTP C. On screen D. Online

Last Answer : C. On screen

Description : This document is designed to be viewed ........ on your tablet A. Comp B. DTP C. On screen D. Online

Last Answer : A. Comp

Description : A ........ is an initial document that shows where all text and graphic elements will be placed A. Comp B. DTP C. On screen D. Online

Last Answer : C. On screen

Description : What does 'WYSIWYG' stand for? A. Why you see is why you get B. When you see is when you get C. What you see is what you get D. Where you see is where you get

Last Answer : D. Where you see is where you get

Description : A particular way of coding information for storage in a computer file A. Raster graphic B. Vector graphic C. File format D. Layer

Last Answer : A. Raster graphic

Description : Data compression which guarantees that all original data can be restored exactly A. Lossless compression B. Lossy compression C. File compression D. Raster compression

Last Answer : B. Lossy compression

Description : Which of these is NOT a way to decrease image blurriness? A. Use compatible file formats B. Increase the size of thumbails C. Save images using loseless compression D. Check if raster or vector graphics work better

Last Answer : A. Use compatible file formats

Description : A program allows a user to design and publish a document using only a computer and a printer A. DTP B. PDF C. PPT D. DOC

Last Answer : A. DTP

Description : The term for small images or icons that can be inserted into a document A. Clip art B. Layout C. DTP D. Posters

Last Answer : C. DTP

Description : What is DTP? A. Desktop Program B. Desktop Printout C. Desktop Publishing D. Desktop Power Point

Last Answer : B. Desktop Printout

Description : How does lossy compression reduce the size of files? A. Through removing redundancies by grouping repeated data together. B. By removing some precision in data that humans would have difficulty to ... the amount of storage needed. D. By replacing blocks of data with more compact representations.

Last Answer : D. By replacing blocks of data with more compact representations.

Description : What type of compression actually deletes data and cannot be decompressed? A. File Compression B. Lossless Compression C. Lossy Compression D. Archive Compression

Last Answer : D. Archive Compression

Description : Hamzah needs to email a large file to a classmate. Why might he need to use file compression to do so? A. Email services often only let you send compressed data files. B. Compressed files are ... . D. Email services often have maximum file sizes that prevent you sending files that are too large.

Last Answer : D. Email services often have maximum file sizes that prevent you sending files that are too large.

Description : External data can be useful because: A. It is the most expensive to obtain B. It is the cheapest to obtain C. It is most reliable D. It is the most current

Last Answer : B. It is the cheapest to obtain

Description : shipping/inventory and billing records are examples of A. external data B. internal data C. qualitative data D. clickstream data

Last Answer : B. internal data

Description : Internal data comes from: A. within the organization B. from the government C. inside the target market D. inside the human mind

Last Answer : A. within the organization

Description : Quantitative Data has to do with numbers or data that can be ___. A. Observed B. Tasted C. felt by emotion D. measured

Last Answer : D. measured

Description : Which is not an example of Qualitative Data A. color B. smell C. beauty D. volume

Last Answer : A. color

Description : Which is an example of primary data? A. journal entry B. survey C. census data D. news article

Last Answer : C. census data

Description : All Waves A. Have troughs and nodes B. Move back and forth C. Transfer energy D. are big

Last Answer : A. Have troughs and nodes

Description : A point where a wave crosses its resting line A. Node B. Frequency C. Transversal D. Trough

Last Answer : B. Frequency

Description : Energy of movement A. Potential energy B. Kinetic energy C. Sound energy D. spring energy

Last Answer : D. spring energy

Description : A wave in which the wave’s medium is compressed in the same direction as the movement of the wave A. Transversal wave B. Transverse wave C. Frequency wave D. compression wave

Last Answer : C. Frequency wave

Description : Speed in a given direction A. Wavelength B. Frequency C. Velocity D. Waves per second

Last Answer : A. Wavelength

Description : A wave in which the movement of the wave’s medium is perpendicular to the movement of the wave traveling through the medium A. Transverse waves B. Compression waves C. Nodular Waves D. Ocean Waves

Last Answer : A. Transverse waves

Description : A back-and-forth pattern of motion that transfers energy A. Wave B. Pulse C. Reflection D. Frequency

Last Answer : D. Frequency

Description : A rate of something that repeats over and over. A. Pulse B. Wave C. Velocity D. Frequency

Last Answer : C. Velocity