Đề Thi FE CSI106 - SP26 - B5 - FE - RE

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CSI106 SP26 B5 FE RE

CSI106_SP26_B5RE | Multiple Choice Question 37

(Choose 1 answer)

What is a core concept of the von Neumann model that differentiates it from earlier computing architectures?

A. It uses a single-purpose processing unit.

B. It stores data and programs in the same memory

C. It relies solely on mechanical components.

D. It requires a new wiring system for each program.

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 38

(Choose 1 answer)

In the context of Ethernet addressing, what is represented by a MAC address?

A. A logical network address.

B. A temporary address assigned by a server

C. A hardware address for the network interface.

D. An private address used for internet routing purposes

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 39

(Choose 1 answer)

Which of the following is the first phase in the software lifecycle?

A. Testing

B. Design

C. Analysis

D. Implementation

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 40

(Choose 1 answer)

How many main types of intellectual property are recognized?

A. 2

B. 3

C. 4

D. 5

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 41

(Choose 1 answer)

What is an example of a declarative programming language?

A. Python

B. Prolog

C. SQL

D. Java

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 42

(Choose 1 answer)

Which one BEST describes the paging as a memory management technique?

A. Dividing memory into variable-sized partitions

B. Keeping only the essential parts of a program in the main memory to optimizing start time

C. Dividing both memory and programs into fixed-size blocks.

D. Swapping entire processes between memory and disk.

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 43

(Choose 1 answer)

What is the earliest computers built on the von Neuman model?

A. Pascal

B. Pascaline

C. ABC

D. EDVAC

Đáp án: (D)

CSI106_SP26_B5RE | Multiple Choice Question 44

(Choose 1 answer)

Convert the binary number (10110110) to hexadecimal

A. (86)

B. (B5)

C. (A6)

D. (C5)

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 45

(Choose 1 answer)

In message authentication, what is the purpose of a Message Authentication Code (MAC)?

A. To encrypt the message for secure transmission

B. To verify the integrity and authenticity of the message

C. To compress the message for efficient storage

D. To generate a unique identifier for the message

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 46

(Choose 1 answer)

Which of the following are the four main components defined by the von Neumann model?

A. Hard drive, monitor, keyboard, mouse

B. Memory, ALU, control unit, I/O subsystem.

C. Compiler, operating system, application software, data

D. Processor, network card, graphics card, power supply

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 47

(Choose 1 answer)

What is a major difference between procedural and object-oriented programming?

A. Procedural programming uses functions, while object-oriented programming uses loops.

B. Object-oriented programming organizes code into objects, while procedural programming uses a linear sequence of instructions

C. Procedural programming supports inheritance, while object-oriented programming does not

D. Object-oriented programming does not allow code reuse, while procedural programming does

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 48

(Choose 1 answer)

In the context of software design, what is the significance of the "Software Architecture"?

A. It focuses on coding individual functions and procedures

B. It defines the overall structure and organization of the software system.

C. It is a tool for project management.

D. It involves testing the software against user requirements

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 49

(Choose 1 answer)

What was the name of the first electronic general-purpose computer?

A. ENIAC

B. UNIVAC

C. IBM PC

D. Apple I

Đáp án: (A)

CS1106_SP26_B5RE | Multiple Choice Question 50

(Choose 1 answer)

In the context of sequential search, what is the main criterion for stopping the search?

A. When the target is found or the end of the list is reached.

B. When the middle of the list is reached

C. When largest element of the list is found

D. None of the other answers

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 51

(Choose 1 answer)

Given a program declares 5 integer variables (each 4 bytes) and 3 float variables (each 4 bytes), how much total memory is required in bytes?

A. 32

B. 12

C. 20

D. 28

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 52

(Choose 1 answer)

What is the hexadecimal equivalent of the binary number (11011011)?

A. 60

B. DB

C. D6

D. B6

Đáp án: (B)

CS1106_SP26_B5RE | Multiple Choice Question 53

(Choose 1 answer)

Which of the following is an application area for graphs?

A. Computer networks, where vertices represent nodes hubs and edges represent routes.

B. Storing student records in a school

C. Implementing stacks and queues

D. Decimal to binary conversion

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 54

(Choose 1 answer)

What is the primary concern regarding the collection of personal information by private and public agencies?

A. It may pose some risks and be used commercially, conflicting with privacy rights

B. It might be too costly to store

C. It always leads to identity theft

D. It slows down computer systems

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 55

(Choose 1 answer)

If you have 40,000 samples per second and 16 bits per sample, what is the bit rate (R)?

A. 640,000 bits per second

B. 40,016 bits per second

C. 16,000 bits per second

D. 256,000 bits per second

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 56

(Choose 1 answer)

How is the sign of a number represented in the sign-and-magnitude format?

A. Using a separate bit for the sign

B. By changing the least significant bit

C. By using a floating-point standard

D. Through the use of parity bits

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 57

(Choose 1 answer)

What is the difference between a job and a process?

A. A job is a program in execution, while a process is stored on disk

B. A job is a program selected for execution, while a process is in execution

C. A job is a completed program, while a process is on disk

D. A job and a process are identical terms

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 58

(Choose 1 answer)

In glass-box testing, which of the following criteria is NOT required to be tested?

A. All user input values

B. All independent paths in every module

C. All decision constructs on each branch.

D. Each loop construct

Đáp án: (A)

CS1106_SP26_B5RE | Multiple Choice Question 59

(Choose 1 answer)

Why do computers primarily use the binary system to store data and programs?

A. It is easier for humans to read and understand

B. It allows for a greater variety of symbols.

C. Computers are made of electronic switches that can have only two states (on and off)

D. Binary patterns are more efficient for complex arithmetic operations

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 60

(Choose 1 answer)

Which of the following is a binary operation in a relational database?

A. INSERT

B. DELETE

C. UPDATE

D. JOIN

Đáp án: (D)

CSI106_SP26_B5RE | Multiple Choice Question 1

(Choose 1 answer)

Binary search can be appropriately performed on which of the following list?

A. [3, 5, 10, 15, 20, 25, 30, 50] (Note: corrected values based on source context)

B. [160, 37, 42, -63, 59, 53, -78, 57]

C. [3, 1, 2]

D. [1, 2, 3, 4, 5, 6, 7, 9, 0]

Đáp án: (A)

CSI106 SP26_B5RE | Multiple Choice Question 2

(Choose 1 answer)

What is the main purpose of the application layer in the TCP/IP model?

A. To establish and maintain logical connections

B. To provide services directly to end-users and applications

C. To encrypt data for secure transmission

D. To manage data packets and frames

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 3

(Choose 1 answer)

What is the result produced by the binary XOR (exclusive OR) operation when the two input bits have different values?

A. 0

B. 1

C. The operation is not possible

D. The result is undefined

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 4

(Choose 1 answer)

In the physical layer, what mediums are examples of guided media?

A. Radio and Microwaves

B. Infrared wave and twisted-pair cable

C. Coaxial cable and Fiber-optic cable

D. Water and air

Đáp án: (C)

CSI106 SP26_B5RE | Multiple Choice Question 5

(Choose 1 answer)

What is the order of steps to design a database?

A. Collect the information needed to be stored -> Build an entity-relation model -> Normalization

B. Collect the information needed to be stored -> Normalization -> Build an entity-relation model

C. Build an entity-relation model -> Normalization -> Collect the information needed to be stored

D. Not need be done through a step-by-step process

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 6

(Choose 1 answer)

Which of the following is NOT a function of the CPU?

A. Display output

B. Fetch instructions

C. Decode instructions

D. Execute instructions

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 7

(Choose 1 answer)

Which of the following commands cannot be used with SQL Server?

A. Union

B. Intersection

C. Minus

D. Join

Đáp án: (C)

CS1106_SP26_B5RE | Multiple Choice Question 8

(Choose 1 answer)

Which type of intellectual property protects confidential business information?

A. Trade secret

B. Trademark

C. Patent

D. Copyright

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 9

(Choose 1 answer)

Which is a unary operator?

A. AND

B. OR

C. XOR

D. NOT

Đáp án: (D)

CSI106_SP26_B5RE | Multiple Choice Question 10

(Choose 1 answer)

What is the purpose of the TCP SYN-ACK handshake during connection establishment?

A. To acknowledge the receipt of data segments

B. To synchronize sequence numbers and establish connection parameters

C. To request retransmission of lost segments

D. To terminate the connection

Đáp án: (B)

CS1106_SP26_B5RE | Multiple Choice Question 11

(Choose 1 answer)

Which shift operation would you use to divide a signed integer by 2?

A. Logical right shift

B. Arithmetic right shift

C. Logical left shift

D. Arithmetic left shift

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 12

(Choose 1 answer)

A packet's length is 1000 bits, given the speed of Standard Ethernet is 10Mbps (10^7 bits per second). Then, what is the maximum number of packets that can be transferred in 2 seconds.

A. 2 * 10^4 packets

B. 2 * 10^5 packets

C. 10^4 packets

D. 2 * 10^-6 packets

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 13

(Choose 1 answer)

In a binary search tree (BST), where is the smallest element located?

A. Leftmost node

B. Root

C. Rightmost node

D. Complete binary tree

E. Any leaf node

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 14

(Choose 1 answer)

What is the fundamental difference between machine language and high-level languages regarding computer understanding?

A. Machine language uses symbols, while high-level languages use binary patterns

B. Machine language is directly understood by a computer, while high-level languages must be converted

C. Machine language is portable, while high-level languages are machine-dependent

D. High-level languages are tedious to write, while machine language is easier

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 15

(Choose 1 answer)

What is the fundamental difference in memory usage between monoprogramming and multiprogramming?

A. Monoprogramming uses virtual memory, while multiprogramming does not

B. Monoprogramming dedicates most memory to one program, while multiprogramming allows multiple programs concurrently

C. Multiprogramming loads programs entirely into memory, while monoprogramming uses demand paging

D. Monoprogramming always stores programs on disk, multiprogramming in RAM

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 16

(Choose 1 answer)

If we need to access one specific record without having to retrieve all records before it, we use a

A. sequential file structure

B. random file structure

C. Both a and b are correct

D. Both a and b are incorrect

Đáp án: (B)

CS1106_SP26_B5RE | Multiple Choice Question 17

(Choose 1 answer)

What state does a job enter when it is loaded into memory?

A. Ready state

B. Hold state

C. Running state

D. Terminated state

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 18

(Choose 1 answer)

Which of the following is NOT a characteristic of the relational database model?

A. Data is stored in tables with rows and columns

B. Each table has a primary key to uniquely identify each row.

C. Relationships between tables are established using pointers

D. Data integrity is enforced using constraints such as foreign keys

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 19

(Choose 1 answer)

What is a recursive algorithm?

A. An algorithm that calls itself

B. An algorithm that runs only once

C. An algorithm that sorts data

D. An algorithm that stores data

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 20

(Choose 1 answer)

What is the binary equivalent of (4C)16?

A. (11000100)2

B. (01001010)2

C. (00101100)2

D. (01001100)2

Đáp án: (D)

CSI106_SP26_B5RE | Multiple Choice Question 21

(Choose 1 answer)

What is the conceptual difference between an array and a record?

A. An array defines attributes of an element, while a record defines a collection of similar elements

B. An array defines a combination of elements, while a record defines the identifiable parts (attributes) of a single element.

C. Arrays store data on disk, while records store data in main memory

D. Records can only store numerical data, while arrays store all data types

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 22

(Choose 1 answer)

In the context of a hashed file organization, what does the term "collision" refer to, and under what circumstances does it occur?

A. When a new record's key maps to an occupied address

B. The process of converting a key into an address.

C. The method of sorting records alphabetically.

D. The use of an index file to find records

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 23

(Choose 1 answer)

Which of the following scenarios is most likely to require the use of larger memory locations and other presentations due to the risk of truncation error?

A. Performing calculations for a space mission

B. Calculating the total sales of a small business

C. Determining the average temperature of a city

D. Counting the number of students in a university

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 24

(Choose 1 answer)

In a singly linked list, each node has

A. Data and a link

B. Data and an index code

C. Data and a hash code

D. Data and a value

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 25

(Choose 1 answer)

What is the time complexity of finding the height of a binary tree with n nodes?

A. O

B. O(log n)

C. O(n^2)

D. O(nlog n)

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 26

(Choose 1 answer)

How does demand paging improve efficiency over regular paging?

A. It loads only the required pages as needed

B. It requires the entire program to be in memory

C. It uses variable-sized memory sections

D. It prevents programs from being swapped

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 27

(Choose 1 answer)

What is one of the advantages of a database over a flat-file system?

A. Less redundancy

B. Increased redundancy

C. Reduced efficiency

D. More inconsistency

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 28

(Choose 1 answer)

How can shift operations be categorized based on their nature?

A. As logical shifts and arithmetic shifts

B. As arithmetic and geometric shifts

C. As left shifts and right shifts

D. As integer shifts and floating-point shifts

Đáp án: (A)

CSI106_SP26_B5RE | Multiple Choice Question 29

(Choose 1 answer)

_________ is a stand-alone storage location that holds data temporarily.

A. An ALU

B. A register

C. A control unit

D. A tape drive

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 30

(Choose 1 answer)

Which type of firewall operates at the application layer of the OSI model and can inspect and filter traffic based on application-specific rules?

A. Packet filtering firewall

B. Stateful inspection firewall

C. Proxy firewall

D. Network address translation (NAT) firewall

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 31

(Choose 1 answer)

Which access method typically requires additional space for maintaining an index structure but provides faster access to records compared to sequential access?

A. Sequential access

B. Direct access

C. Indexed sequential access

D. Hashing

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 32

(Choose 1 answer)

Data must be transformed to electromagnetic signals to be transmitted. Signals can be

A. Only analog signals

B. Only digital signals

C. Analog and digital signals

D. Any types depends on data types.

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 33

(Choose 1 answer)

What is the primary purpose of a metadata-based file manager?

A. To organize files based on their content type

B. To store additional information about files, such as author, creation date, and keywords

C. To encrypt files for enhanced security

D. To compress files to save disk space

Đáp án: (B)

CSI106_SP26_B5RE | Multiple Choice Question 34

(Choose 1 answer)

What is the correct statement about a point-to-point WAN and a switched WAN?

A. They are identical

B. Point-to-point WAN has more than 2 ends.

C. Switched WAN is a combination of more than 2 ends.

D. Switched WAN is used only in cable medium.

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 35

(Choose 1 answer)

Which phase of the software lifecycle is primarily concerned with coding and programming?

A. Analysis phase

B. Design phase

C. Implementation phase

D. Testing phase

Đáp án: (C)

CSI106_SP26_B5RE | Multiple Choice Question 36

(Choose 1 answer)

Which data structure allows dynamic memory allocation?

A. Array

B. Record

C. Linked List

D. Variable

Đáp án: (C)