The 2022 Chongqing University Upgrade Examination has ended. The following are the real exam questions for the 2022 Chongqing University Upgrade Computer Fundamentals Examination for students . Candidates can read them in detail first. I wish the candidates excellent results.
Partial Analysis of the Computer Basics of the Unified Selection Examination for "University Upgrade" in Chongqing in 2022
1. Multiple-choice questions (this major question has 25 sub-questions, each sub-question is worth 2 points, totaling 50 points. Choose one correct answer from the four alternative answers for each sub-question, and fill in the correct answer on the corresponding answer sheet Location.)
1. The conversion of binary number 010011010110 to hexadecimal number is ().
A.2B6 B.4B C.4D6 D.4B6
【Answer】C
[Analysis] Binary is converted to hexadecimal, every four digits is a group, and the corresponding position of less than four digits is filled with 0: 0100 to hexadecimal is 4, 1101 to hexadecimal is D, 0110 to hexadecimal Make 6.
2. In order to solve the contradiction of large storage capacity, high speed and low cost required by users, the current computer adopts the architecture of cache memory, internal memory and external memory, which is ( ).
A. Multi-level memory structure B. Solid-state hard disk array structure C. Mechanical hard disk array structure D. Multi-level pipeline array structure
【Answer】A
[Analysis] The requirements of computers for memory are large capacity, fast speed, and low cost. It is necessary to take into account the requirements of these three aspects at the same time as much as possible. At present, multi-level memory architecture is usually used.
3. WPS Office is an office software issued by Jinshan Company. It integrates presentation forms. It belongs to ()
A. Simulation software B. System software
C. Application software D. Special software
【Answer】C
【Analysis】Computer software is divided into two categories: system software and application software. System software refers to a type of software that controls the operation of the computer, manages various resources of the computer, and provides support and services for application software: application software refers to software developed for a specific application purpose by using the software and hardware resources of the computer .
4. In Word, you can use the ( ) function to change all soft carriage returns into hard carriage returns.
A. Format brush B. Replace C. Find D. Position
【Answer】B
[Analysis] When editing text, what is generated by Enter is called a hard carriage return (which can be represented by ^p), which means that a paragraph ends here; belong to the same paragraph. In Word, a hard return is an arrow that turns back, and a soft return is a downward arrow. All soft returns can be changed to hard returns using the replace function.
5. In PowerPoint, the view that can view multiple slides is ( ).
A. Normal view
B. Slideshow view
C. Page view
D. Reading View
【Answer】B
[Analysis] The normal view can edit and modify the content of each slide in the presentation, and display a slide. The slide view can browse the overall appearance of the slide, and can display multiple slides at the same time. The reading view is simple in the form of a window. to display the slide show effect accurately, displaying a slide show.
6. Excel can generate ordered data through automatic filling, including predefined series, proportional series and ().
A. Arithmetic sequence
B. Equivalent sequence
C. Equivalent sequence
D. Function sequence
【Answer】A
[Analysis] In Excel, automatic filling can realize equal difference, equal ratio, system predefined data filling sequence and user-defined sequence filling.
7. Among the following functions, the one that can realize the statistics of the number of people whose salary is greater than 7000 is ( ).
A.=COUNTIF(B2:B7,>7000)
B.=COUNTIF(B2:B7,“>7000”)
C.=SUMIF(B2:B7,>7000)
D.=SUMIF(B2:B7,“>7000”)
【Answer】B
[Analysis] The COUNTIF function counts the number of numerical cells that meet the conditions, and the format is COUNTIF(parameter list, condition): The SUMIF function is used to calculate the sum of values that meet the condition, and the format is SUMIF(parameter list, condition). Note that the conditions in COUNTIF and SUMIF are surrounded by a pair of English quotation marks.
8. For an Excel table, the following ( ) can be used to calculate the ranking of bonuses.
A.=RANK(G2,G2:G9)
B.=RANK($G$2,$G$2:$G$9)
C.=RANK($G$2,G2:G9)
D.=RANK(G2,$G$2:$G$9)
【Answer】D
[Analysis] The RANK function is used to compare the ranking of the object in the parameter list. The format is RANK (comparison object, parameter list), where the comparison object changes and does not require absolute references, but the parameter list needs to be fixed, so absolute references are required .
9. Which of the following descriptions about the firewall is incorrect is ( ).
A. Restrict specific port interconnection B. Restrict specific IP interconnection C. Restrict CPU temperature from being too high D. Record network access records
【Answer】C
[Analysis] A firewall refers to a protective barrier composed of software and hardware devices that is constructed on the interface between the internal network and the external network, and between the private network and the public network. The firewall can block or unblock certain connections. Request: Create a security log of successful and unsuccessful connection attempts to the computer, etc., but not limit CPU temperature.
10. In the Windows operating system, the command that can be used to detect whether the network is connected and the connection speed with the target computer is ( ).
A. iconfig B. netstat C. png D. ifconfig
【Answer】C
[Analysis] The ipconfig command is used to view the network configuration information of the machine (including IP address, subnet mask, default gateway, DNS, etc.); the netstat command is used to display various network-related information, such as network connections, routing tables, interfaces Status; the ping command is used to detect the connectivity of the network: the ifconfig command in Linux is used to display or set the network device.
11. The routers in the home generally have DHCP service, and its function is ( ).
A. Transfer files
B. Filter data
C. Automatically assign computer IP addresses
D. Record network logs
【Answer】C
【Analysis】DHCP (Dynamic Host Configuration Protocol) is a LAN network protocol. It works with UDP protocol. It has two main purposes: to automatically assign IP addresses to internal networks or network service providers, and to users or internal network administrators as peers. All computers are centrally managed.
12. Which of the following administrative penalties is the lightest is ().
A. Warning
B. Fines
C. Revocation of business license
D. Detention
【Answer】A
[Analysis] The lightest punishment for the administrative subject to violate the law is: warning and criticism.
13. In the SQL statement, the default sorting method of Select ... Order By ... is ().
A. ascending order
B. descending order
C. Disorder
D. orderly
【Answer】A
[Analysis] The default sorting in SQL statements is ascending order. Therefore, choose A for this question.
14. In the data table shown in the figure below, execute the SQL statement: Select Sum(INCOME) From A. The returned result is ( ).
A.0
B.4
C.200
D.730
【Answer】D
[Analysis] In SQL, the SUM( ) function is used to calculate the sum of a column of data.
15. According to the frequency of human voice and the actual situation, the sampling frequency should not be lower than ().
A.22.05KHz
B.44.1KHz
c.48.1KHz
D.96.1KHz
【Answer】B
[Analysis] According to Harry Nyquist (Nyquist) sampling law: the sampling frequency is higher than twice the highest frequency in the input sound signal, and the original waveform can be recovered from the sampling. Therefore, in actual sampling, 44.1kHz is often used as the sampling frequency of high-quality sound. Therefore, choose B for this question.
16. Video information is an associated image sequence, and its minimum unit is ( ).
A. bit
B. frame
C. Pixels
D. Hertz
【Answer】B
[Analysis] Video information is an associated image sequence, and its smallest unit is a frame.
17.1000 ordered numbers use the dichotomy method to find any number at most need to search ().
A.5
B.10
C. 15
D.20
【Answer】B
[Analysis] Binary search, also known as half search or half search, is an efficient search method for a large amount of ordered data. Each time the search is performed, the range is reduced by half, and the corresponding search process is similar to 1000→500→250→125→ 62→31→15→7→3→1, so it takes up to 10 times to find the specified value.
18. When solving a certain criminal case, the Public Security Bureau adopted a "carpet-style" investigation, which is actually similar to the ( ) algorithm in a computer.
A. Enumeration
B. Iteration
C. Recursion
D. Sort
【Answer】A
[Analysis] The enumeration method is also called the exhaustive method or the trial and error method. Its core idea is to enumerate all possible situations within a certain range, and then judge one by one until all the situations are verified; the iterative method is also called recursion The method is a method to solve the problem by using a certain recursive relationship of the problem itself: sorting refers to arranging unordered data into ordered data.
19. Which of the following programming languages can be used as a scripting language for Web applications is ( ).
A. JM2E
B. Java Applet
C.JavaScript
D.JE2E
【Answer】C
[Analysis] An applet is a small dynamic Java program that can be embedded in HTML code, transmitted through the Internet and run by a Java-compatible Web browser, and works on the client computer: JavaScript is used as a scripting language for developing Web pages. Famous, based on prototype programming, multi-paradigm dynamic scripting language, and supports object-oriented, imperative and declarative: The full name of J2EE is Java 2 Platform Enterprise Edition, J2EE itself is a standard, not a ready-made product.
25. When passengers take public transportation, paying with a bus card belongs to ().
A. RFID technology
B. Big data technology
C. Blockchain technology
D. Location-based service technology
【Answer】A
[Analysis] RFID technology is radio frequency identification technology, commonly known as electronic tags. The information of various items is stored in the RFID tag, and the wireless data communication network is used to collect the information to the central information system, so as to realize the identification of the items. Big data technology has massive, high growth rate and diverse information assets. Blockchain technology is a decentralized distributed ledger location service technology that uses GPS positioning technology.
2. Case analysis questions (there are 10 small questions in this major question, each with 1 point, 10 points in total. Choose one correct answer from the four alternative answers for each small question, and fill in the correct answer on the corresponding answer sheet Location.)
Case 1: Many companies in the world are already using cloud databases, but in order to ensure national information security, my country should not choose 26 databases to use cloud databases. If a company wants to build a database by itself, in order to save money, it can be used directly The database is 27. If you want to reduce the maintenance of the database in the company, you should choose the 28 method. If you want to edit the interface used by the user, this belongs to ___29__. If you want to do logic processing and database management, this should belong to ___30____.
26. A. Alibaba Cloud B. Tencent Cloud C. Google Cloud D. Huawei Cloud
【Answer】C
27.A.Access B.MySQL C.SQL Server D. Oracle
【Answer】B
28.A.C/S B.B/S C.A/S D.E/S
【Answer】B
29. A. Front-end design B. Back-end design C. Security design D. Beautification design
【Answer】A
30. A. Front-end design B. Back-end design C. Security design D. Beautification design
【Answer】B
Case 2: The URL of a website is http://www.baidu.com, the server type used by the website should be 31, the host name of the website is 32, the default port number should be 33, and the webpage of the website is Written in 34____ language, the website of Chongqing Government Network is ____35____.
31. A.www B. web C.ftp D. database
【Answer】B
32.A.www.baidu.com B. www C. baidu D. com
【Answer】B
33.A.21 B.25 C.80 D. 8080
【Answer】C
34.A.HTTP B.FTP C.HTML D. DNS
【Answer】C
35.A.www.cq.gov.cn B. www.cq.edu.cn C. www.cq.com.cn D. www.cq.org.cn
【Answer】A
3. Fill in the Blank Questions (There are 10 small questions in this major question, 2 points for each small question, 20 points in total. Complete the following descriptions and fill them in the corresponding positions on the answer sheet.)
36. The CPU can _________ access the internal memory.
[answer] directly
[Analysis] The internal memory is the memory that the CPU can directly access.
37.Android is a free and open source operating system based on Linux, mainly used in _________, such as smart phones and tablet computers.
【Answer】Mobile device
【Analysis】Android is a free and open source operating system based on Linux, mainly suitable for mobile devices, such as smartphones and tablets.
38. In PowerPoint, handouts can be printed up to ___________ slides.
[Answer] 9
[Analysis] In PowerPoint, when printing [Handout], you can print multiple slides on one sheet of paper, up to 9 slides.
39. By default, the default extension of WPS is ___.
【Answer】.wps
[Analysis] The default extension of WPS is .wps.
40. In the TCP/IP protocol, it is the ___ protocol that achieves a reliable connection.
【Answer】TCP
[Analysis] TCP is a user control protocol, which is a connection-oriented and reliable transmission protocol in the transport layer.
41. In the database SQL statement, AGE>=18AND AGE<=24 can be written as AGE_________18 AND 24.
【Answer】BETWEEN
[Analysis] In the SQL statement, BETWEEN...AND will select the data range between two values.
42. A complete multimedia system is composed of multimedia hardware and multimedia_____ system.
[Answer] software
【Analysis】The whole multimedia computer system can be divided into multimedia computer hardware system and software system.
43. The flow chart shown in the figure below can be used to calculate the real number roots of the quadratic equation ax²+bx+c=0, where a (a≠0), b, and c are known, then the ① place in the flow chart should be filled with _ ___
【Answer】d>0
[Analysis] Analyzing the flow chart, we can get the discriminant formula of the quadratic equation in one variable in ① in the figure, that is, △=b2-4ac, when △>=0, there are real roots, and when △<0, there are no real roots, so ① What should be filled in is d>0.
44. The basic characteristics of virtual reality are immersion, interaction and imagination, and its English abbreviation is ____
【Answer】VR
[Analysis] Virtual reality (Virtual Reality, VR) technology refers to the use of computers and other equipment to generate a realistic virtual world of three-dimensional vision, touch, smell and other sensory experience, so that people in the virtual world have a sense of immersive experience. The feeling of its environment.
45. The fact that data is not easily lost is a ___ characteristic of cloud computing.
[Answer] High reliability
[Analysis] Cloud computing has three characteristics: ultra-large scale, resource abstraction, and high reliability. High reliability: cloud computing provides a safe data storage method, which can fully guarantee the reliability of data, and users do not need to worry about software upgrades, bug fixes, virus attacks, and data loss.
4. Short answer questions (this major question has 6 sub-questions, each with 5 points, 30 points in total. Fill in the answer in the corresponding position on the answer sheet.)
46. What two parts does a computer system consist of? Write down the relationship between the two. In addition to the hard disk, memory, and CPU, what other aspects can be used to improve the performance of the computer.
【Answer】
A computer system consists of a computer hardware system and a computer software system.
Computer hardware is the basis for the establishment and support of software, and software is the soul of a computer system.
You can also improve the performance of your computer through input devices, output devices, graphics cards, and more.
[Analysis] This question mainly examines the composition of the computer system and the main performance indicators of the computer. It can be answered from the five major components of the computer, as long as it is reasonable.
47. The network configuration information of a known host is as follows.
IP address: 192.168.123.16 Subnet mask: 255.255.255.0
Default gateway: 192.168.123.1 DNS server address: 61.128.128.68
Please complete the following questions.
(1) The Chinese name of DNS is____
(2) The MAC address is a binary number of ___ bits.
(3) The address of the wireless router is ____.
(4) The network segment of the host is _____.
(5) The IPv6 address uses _bit binary numbers.
【Answer】
(1) Domain Name System
(2)48
(3)192.168.1.1
(4)192.168.123.0
(5)128
[Analysis] This question mainly examines the comprehensive configuration of network information. The Chinese name of DNS is Domain Name System, which mainly realizes the mutual conversion between domain names and IP addresses. The MAC address is a string of unique numbers on the network card, also called the physical address, which is encoded in 48-bit binary numbers. The IP address of the router is the default gateway address. The network segment is the network number or network address. It can be determined that its network address is 192.168.123.0 through the given IP address and subnet mask. IP addresses can be divided into IPv4 and IPv6 addresses, where IPv4 addresses occupy 32-bit binary numbers, and IPv6 addresses occupy 128-bit binary numbers.
48. To create the following data table in the Access database, please complete the blank part of the table.
【Answer】
[Analysis] This question mainly examines the common data types in the Access database. The data such as student number and name that do not need to be calculated should be set as text type, foreign language scores and math scores need to be calculated, then they should be set as number type, and whether passing grade means yes or no, so it should be set as yes/no type. The data in the primary key must be able to identify a unique record and cannot be repeated, so only the student number is sufficient.
49. It is known that the standard weight (kg)=height (cm)-105, a person’s weight is within ±10% of the standard weight is normal, more than 10% of the standard weight is overweight, and less than 10% is underweight. Please draw an algorithm flow chart to input a person's height and weight and output their weight type (fat, thin or normal).
【Answer】
50. Given that Sn=1+2+3+4+5+...+n, draw the algorithm flow chart, and enter the value of n when Sn>1000.
【Answer】
51. There is a circle with radius R in the Cartesian coordinate system as shown in the figure. Please complete the following flow chart to output whether a point (x, y) in the Cartesian coordinate system is within the circle. please answer the following question.
【Answer】
(1)①∶x*x+y*y<r*r或x^2+y^2<r^2< p="">
(2)② Output "inside the circle".
③ Output "not in the circle".
④Select structure or branch structure.
[Analysis] If you want the point to be inside the circle, the distance from the origin must be less than the radius R of the circle, see the answer for details.
5. Application questions (this major question has 2 sub-questions, each with 5 points, 10 points in total. Fill in the answer in the corresponding position on the answer sheet.)
53. There are two Excel tables as shown in the figure below.
Please answer the following questions based on the form.
(1) The usual grades can be obtained through the attendance sheet, so the formula that should be used in the first cell of the usual grades is _____
(2) Write down the formula for finding the total score in G2______
(3) If you want to round the calculated total score and keep the whole number, you can use the _______ function.
(4) If the average grade is required, you can enter the formula _________ in D4
(5) To get all the average grades, you can copy the function to other cells by ________.
【Answer】
(1)=attendance sheet!G2
(2)=D2*0.2+E2*0.2+F2*0.6
(3)ROUND
(4)=AVERAGE(D2:D4)
(5) Autofill
[Analysis] This question mainly examines the formulas and functions in Excel, see the answer for details. The above are the real questions of the 2022 Chongqing Junior College Computer Basic Examination,
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