MIS 180 Exam Preparation: 150 MCQs with Elaborations
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Course
MIS180
Institution
MIS180
Ace your MIS 180 exam with this comprehensive study guide featuring 150 meticulously crafted multiple-choice questions (MCQs) covering essential topics in Management Information Systems. Each question is accompanied by a clear answer and a concise, informative elaboration explaining not only the co...
1. What is the smallest unit of data in a computer?
o a) Byte
o b) Kilobyte
o c) Bit
o d) Megabyte
Elaboration:
o A bit is the most fundamental unit of data, representing a binary value of either
0 or 1.
o A byte consists of 8 bits and is often used to represent a single character.
o A kilobyte is approximately 1000 bytes.
o A megabyte is approximately 1 million bytes.
2. Which of the following is NOT a type of computer memory?
o a) RAM
o b) CPU
o c) ROM
o d) Cache
Elaboration:
o RAM (Random Access Memory) is volatile memory used for temporary storage
of data and programs currently in use.
o The CPU (Central Processing Unit) is the brain of the computer, responsible for
executing instructions.
o ROM (Read-Only Memory) is non-volatile memory containing permanent
instructions, such as the BIOS.
o Cache is a small, high-speed memory that stores frequently accessed data for
faster retrieval.
, 3. What is the primary function of an operating system?
o a) Perform complex calculations
o b) Store large amounts of data
o c) Manage hardware and software resources
o d) Create and edit documents
Elaboration:
o An operating system acts as an intermediary between the user and the
computer hardware, managing resources, providing a user interface, and
executing applications.
o Complex calculations are typically handled by the CPU and specialized software.
o Data storage is primarily the role of storage devices like hard drives and SSDs.
o Document creation and editing are functions of application software.
4. Which of the following is an example of application software?
o a) Microsoft Word
o b) Windows 10
o c) macOS
o d) Linux
Elaboration:
o Microsoft Word is a word processing program used to create and edit
documents, falling under the category of application software.
o Windows 10, macOS, and Linux are examples of operating systems, which
manage hardware and software resources.
5. What does the acronym "URL" stand for?
o a) Uniform Resource Locator
o b) Universal Resource Link
o c) Unrestricted Resource Locator
, o d) Unique Resource Link
Elaboration:
o URL stands for Uniform Resource Locator. It is the address used to identify and
access resources on the internet.
6. Which of the following is NOT a common type of network topology?
o a) Bus
o b) Star
o c) Ring
o d) Cloud
Elaboration:
o Bus, star, and ring are common network topologies describing how devices are
connected.
o Cloud refers to a computing model where resources are accessed over the
internet, not a network topology.
7. What is the purpose of a firewall?
o a) Prevent unauthorized access to a network
o b) Detect and remove viruses
o c) Encrypt data for secure transmission
o d) Back up important files
Elaboration:
o A firewall acts as a barrier between a trusted network and untrusted networks,
controlling incoming and outgoing traffic based on predefined security rules to
prevent unauthorized access.
o Antivirus software is responsible for detecting and removing viruses.
o Encryption is used to scramble data, making it unreadable without the proper
decryption key.
, o Backups create copies of important files to protect against data loss.
8. Which of the following is an example of a relational database management system
(RDBMS)?
o a) MySQL
o b) MongoDB
o c) Cassandra
o d) Redis
Elaboration:
o MySQL is a popular open-source RDBMS that organizes data into tables with
relationships between them.
o MongoDB, Cassandra, and Redis are examples of NoSQL databases, which use
different data models and are not based on the relational model.
9. What is the primary key in a database table used for?
o a) Sorting data in ascending order
o b) Storing the most important data
o c) Uniquely identifying each record
o d) Calculating aggregate values
Elaboration:
o The primary key is a column or set of columns in a database table that uniquely
identifies each record, ensuring data integrity and enabling efficient data
retrieval and manipulation.
10. Which of the following is NOT a phase in the Systems Development Life Cycle (SDLC)?
o a) Planning
o b) Analysis
o c) Design
o d) Marketing
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