WGU C182 – INTRODUCTION TO IT – QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A | INSTANT DOWNLOAD PDF.

WGU C182 – INTRODUCTION TO IT –
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES
2026 Q&A | INSTANT DOWNLOAD PDF.


1. Which of the following best defines information technology (IT)?
A. The study of algorithms and data structures
B. The use of computers, software, and networks to store, process, transmit, and
retrieve information
C. The design of computer hardware components only
D. The management of business finances

Correct ,,,answer,,,: B
Rationale: IT encompasses hardware, software, networks, and data management.
Algorithms (A) is computer science. Hardware only (C) is too narrow. Finance (D) is
unrelated.

2. Which component is considered the "brain" of the computer?
A. RAM
B. CPU
C. Hard drive
D. Power supply

Correct ,,,answer,,,: B
Rationale: The CPU (Central Processing Unit) executes instructions. RAM (A) is
temporary memory. Hard drive (C) is storage. Power supply (D) provides electricity.

3. RAM is best described as:
A. Permanent storage for files
B. Volatile memory that stores data temporarily while the computer is on
C. A type of processor
D. A network device

,Correct ,,,answer,,,: B
Rationale: RAM is volatile (loses data when power is off) and temporary.
Permanent storage (A) is a hard drive/SSD. Processor (C) is CPU. Network device
(D) is router/switch.

4. Which of the following is an example of system software?
A. Microsoft Word
B. Google Chrome
C. Windows 11 operating system
D. Photoshop

Correct ,,,answer,,,: C
Rationale: System software includes operating systems (Windows, macOS, Linux).
Word (A), Chrome (B), and Photoshop (D) are application software.

5. A byte is composed of how many bits?
A. 2
B. 4
C. 8
D. 16

Correct ,,,answer,,,: C
Rationale: 1 byte = 8 bits. 2 bits (A) is a nibble? No — 4 bits is a nibble (B). 16 bits
(D) is 2 bytes.

6. Which of the following is a primary storage device?
A. SSD
B. HDD
C. RAM
D. USB flash drive

Correct ,,,answer,,,: C
Rationale: Primary storage = RAM (directly accessed by CPU). SSD (A), HDD (B),
and USB (D) are secondary storage.

7. The operating system performs which function?
A. Manages hardware and software resources
B. Creates documents
C. Browses the internet
D. Edits photos

,Correct ,,,answer,,,: A
Rationale: OS manages hardware, memory, processes, and files. Creating
documents (B), browsing (C), and photo editing (D) are application functions.

8. Which network type covers a small geographic area like a home or office?
A. WAN
B. LAN
C. MAN
D. PAN

Correct ,,,answer,,,: B
Rationale: LAN (Local Area Network) is small area. WAN (A) is wide (internet).
MAN (C) is metropolitan. PAN (D) is personal (Bluetooth).

9. HTTP is a protocol used for:
A. Sending email
B. Transferring web pages
C. File transfers
D. Remote login

Correct ,,,answer,,,: B
Rationale: HTTP (Hypertext Transfer Protocol) is for web pages. Email (A) uses
SMTP/POP3/IMAP. File transfers (C) use FTP. Remote login (D) uses SSH/Telnet.

10. Which of the following is an example of a database management system
(DBMS)?
A. Microsoft Excel
B. MySQL
C. Notepad
D. Adobe Acrobat

Correct ,,,answer,,,: B
Rationale: MySQL is a relational DBMS. Excel (A) is a spreadsheet, not a true
DBMS. Notepad (C) is text editor. Acrobat (D) reads PDFs.

11. SQL is used to:
A. Design websites
B. Query and manage relational databases
C. Create operating systems
D. Compile Java code

, Correct ,,,answer,,,: B
Rationale: SQL (Structured Query Language) is for databases. Website design (A)
uses HTML/CSS. Operating systems (C) use C/C++. Compilation (D) uses
compilers.

12. Which of the following best describes cloud computing?
A. Storing files only on a local hard drive
B. Delivering computing services (servers, storage, databases) over the internet
C. Using a single computer for all tasks
D. Disconnecting all devices from the network

Correct ,,,answer,,,: B
Rationale: Cloud computing delivers services over the internet. Local storage (A)
and single computer (C) are opposite. Disconnecting (D) is offline.

13. What does IP address stand for?
A. Internet Provider
B. Internal Protocol
C. Internet Protocol
D. Integrated Program

Correct ,,,answer,,,: C
Rationale: IP = Internet Protocol. Not Internet Provider (A), Internal Protocol (B), or
Integrated Program (D).

14. Which of the following is a public IP address range?
A. 192.168.1.1
B. 10.0.0.1
C. 172.16.0.1
D. 8.8.8.8

Correct ,,,answer,,,: D
Rationale: 8.8.8.8 (Google DNS) is public. 192.168.x.x (A), 10.x.x.x (B), and
172.16-31.x.x (C) are private ranges.

15. Which of the following is a characteristic of solid-state drives (SSDs)
compared to hard disk drives (HDDs)?
A. Slower read/write speeds
B. Moving mechanical parts