Big Data Algorithm (Harbin Institute of Technology) Chapter 2023 Exam Answer Super Star Two Ya
1. 1 Definition and characteristics of big data
1, multiple-choice questions The following statement about the characteristics of big data is wrong ().
First, the speed is slow
B, diversity and heterogeneity
C, the data scale is large
D. New value based on high analysis
My answer: a.
2. The multiple-choice question in 2.Hokkekyo, the big order of magnitude he described is ().
a、 10^7
b、 10^ 14
c、 10^28
d、 10^56
My answer: C.
3. Among the following options, the fields involved in big data include ().
First, social networks
B, medical data
C, computer art
D, medical data
My answer is: ABC(D)
4. The application of multiple-choice big data includes ().
I. Forecast
B, recommend
C, business intelligence analysis
D, scientific research
My answer: ABCD
5. True or false At present, big data has an accepted definition.
My answer: X.
6. There are many kinds of big data, with different coding methods, data formats and application characteristics. ()
My answer is:
1.2 big data algorithm (1)
1, the third step in solving calculation problems with multiple-choice big data is generally ().
A. judging whether it can be calculated
B, judge whether it can be calculated.
C, algorithm design and analysis
D. realize the algorithm with computer language.
My answer: C.
2. Multiple-choice questions When solving calculation problems with big data, the factors that determine whether it is feasible and computable include ().
First, the data volume
B. Resource constraints
C, speed limit
D, time limit
My answer is: ABD
3. In the process of solving a computing problem with big data, the first step is to determine whether the problem is computable.
My answer is:
4. Judging whether it is true or not The big data computing model, like the general small-scale computing model, uses the Turing machine model.
My answer is:
1.3 big data algorithm (2)
1, and multiple resource selection constraints include ().
A: Central processing unit
B. Network bandwidth
C. Memory
D, external storage
My answer: ABCD
2. The multiple-choice big data algorithm may not be ().
A. Cloud computing
B, accurate algorithm
C, memory algorithm
D, serial algorithm
My answer is: BCD
3. True and false big data algorithm is an algorithm that takes big data as input and can generate results that meet given constraints under given resource constraints.
My answer: X.
4. True or false MapReduce is a good programming framework to realize big data algorithm, and it has been widely used in production.
My answer is:
5. The true and false big data algorithm is an algorithm that only runs on electronic computers.
My answer: X.
1.4 Characteristics of Big Data and Big Data Algorithms
1, multiple-choice crowdsourcing algorithm is used to solve ().
A, it takes too long to access all data
B, data is difficult to put into memory for calculation.
C, it is difficult for a single computer to save all the data, and the calculation needs all the data.
D, lack of computer computing ability or knowledge, need help.
My answer: D.
2. There are many problems in the multiple-choice big data algorithm. The solution to the problem that accessing all data takes too long is ().
A. storing data on disk
B, based on only a small amount of data.
C, reading partial data
D, parallel processing
My answer: C.
3. The characteristics of multiple-choice big data algorithm () make it closely related to big data algorithm.