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100+ Free DSST Computing and IT Practice Questions

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Key Facts: DSST Computing and IT Exam

100

official exam questions

GetCollegeCredit DSST Computing and Information Technology Fact Sheet, Rev 6/2024

2 hours

official time limit

GetCollegeCredit DSST Computing and Information Technology Fact Sheet, Rev 6/2024

400

minimum ACE-recommended score

GetCollegeCredit DSST Computing and Information Technology Fact Sheet, Rev 6/2024

$100

DSST test fee before site administrative fees

GetCollegeCredit DSST Questions and Answers

77%

FY24 DANTES military pass rate

DANTES FY24 DSST Exams by Military Pass Rates

The DSST Computing and Information Technology exam is a 100-question, 2-hour multiple-choice test with an ACE-recommended minimum score of 400 for 3 lower-level baccalaureate semester hours in Introduction to Computer and Information Technology. The official June 2024 fact sheet weights application software at 22%, software development at 21%, networks at 19%, hardware at 17%, social impact/history at 11%, and systems software at 10%.

Sample DSST Computing and IT Practice Questions

Try these sample questions to test your DSST Computing and IT exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1During the fetch-execute cycle, which component interprets the instruction that has just been fetched from memory?
A.Arithmetic logic unit
B.Control unit
C.Secondary storage controller
D.Network interface card
Explanation: The control unit coordinates CPU activity by decoding instructions and directing the movement of data between registers, memory, and execution units. The ALU performs arithmetic and logic operations after the instruction has been decoded.
2Which type of primary storage normally loses its contents when power is removed?
A.ROM
B.RAM
C.Solid-state drive
D.Optical disc
Explanation: RAM is volatile primary storage, so it holds programs and data only while the system has power. ROM and most secondary storage media retain data without power.
3A user wants faster boot times and better resistance to damage from movement in a laptop. Which storage upgrade best fits that need?
A.Magnetic tape drive
B.DVD-RW drive
C.Solid-state drive
D.External floppy drive
Explanation: A solid-state drive uses flash memory with no spinning platters, so it usually provides faster access times and better shock resistance than a hard disk. Optical, tape, and floppy media are slower and are not good primary laptop storage upgrades.
4Which device is primarily an input device?
A.Monitor
B.Laser printer
C.Keyboard
D.Projector
Explanation: A keyboard is an input device because it sends user-entered data and commands into the computer. Monitors, printers, and projectors present output from the computer to the user.
5Which platform is designed primarily for battery-powered use with touch input and cellular or Wi-Fi connectivity?
A.Mainframe
B.Mobile device
C.Tower workstation
D.Rack server
Explanation: A mobile device such as a smartphone or tablet is built for portable, battery-powered use and commonly uses touch, wireless networking, GPS, and app-based software. Workstations, servers, and mainframes serve different roles and are usually not handheld mobile platforms.
6Which statement correctly relates bits and bytes?
A.One byte equals eight bits.
B.One bit equals eight bytes.
C.One byte equals one hexadecimal digit.
D.One bit equals one kilobyte.
Explanation: A bit is the smallest binary unit, representing 0 or 1. A byte is a group of eight bits and is commonly used as the basic unit for file size and memory capacity.
7In binary notation, what decimal value does 1010 represent?
A.5
B.8
C.10
D.12
Explanation: Binary 1010 uses place values 8, 4, 2, and 1. The 1s are in the 8 and 2 positions, so the decimal value is 8 + 2 = 10.
8Why is virtual memory slower than physical RAM when heavily used?
A.Virtual memory requires a separate CPU for every process.
B.Virtual memory uses disk or flash storage to supplement RAM.
C.Virtual memory stores data only in ROM chips.
D.Virtual memory disables the operating system scheduler.
Explanation: Virtual memory lets the operating system move less-used pages between RAM and secondary storage. Because disk and flash storage are slower than RAM, excessive paging can noticeably reduce performance.
9A warehouse badge reader identifies items by reading small tags without line-of-sight contact. Which technology is most likely being used?
A.RFID
B.OCR
C.CRT
D.Plotter output
Explanation: RFID uses radio signals to read information from tags and can work without direct visual contact. That makes it useful for inventory, badges, and asset tracking.
10Which unit is most appropriate for measuring CPU clock speed in a modern personal computer?
A.Gigahertz
B.Gigabytes
C.Dots per inch
D.Pages per minute
Explanation: CPU clock speed is commonly measured in hertz, with modern processors often specified in gigahertz. Gigabytes measure storage or memory capacity, while dots per inch and pages per minute relate to display or printer output.

About the DSST Computing and IT Exam

Introductory college-credit DSST exam covering computer hardware, systems software, application software, data communications and networks, software development, databases, AI, privacy, security, and social impacts of technology.

Assessment

100 multiple-choice questions covering six official content areas; nonprogrammable calculators are permitted and scratch paper is provided.

Time Limit

2 hours

Passing Score

400 minimum recommended score

Exam Fee

$100 exam fee; test center administrative fees may vary (Prometric / DSST, with DANTES funding for eligible military first attempts)

DSST Computing and IT Exam Content Outline

17%

Computer Organization and Hardware

Processing components, RAM and ROM, virtual memory, secondary storage, I/O devices, platforms, binary and hexadecimal representation, multimedia formats, and measurement units.

10%

Systems Software

Operating systems, resource allocation, job scheduling, file management, utilities, virtual computing, and command-line, graphical, touch, voice, AR, and VR interfaces.

22%

Application Software

Word processing, desktop publishing, spreadsheets, charts, presentations, email, conferencing, social media, graphics, CAD, image processing, and business applications.

19%

Data Communications and Networks

Browsers, web pages, search engines, ISPs, LANs, WANs, peer-to-peer networks, topology, cloud infrastructure, HTTP/HTTPS, FTP, SSH, TLS, TCP, firewalls, IDS/IPS, IAM, VPNs, wireless, and cellular networks.

21%

Software Development

Planning, analysis, design, development, debugging, testing, maintenance, procedural and object-oriented programming, low-code/no-code, assemblers, profilers, debuggers, compilers/interpreters, databases, data access, neural networks, machine learning, and large language models.

11%

Social Impact and History

Evolution of hardware, software, and the Internet; privacy; intellectual property; telecommunications law; accessibility; AI ethics; malware; unauthorized access; identity theft; social media etiquette; globalization; and social skills.

How to Pass the DSST Computing and IT Exam

What You Need to Know

  • Passing score: 400 minimum recommended score
  • Assessment: 100 multiple-choice questions covering six official content areas; nonprogrammable calculators are permitted and scratch paper is provided.
  • Time limit: 2 hours
  • Exam fee: $100 exam fee; test center administrative fees may vary

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

DSST Computing and IT Study Tips from Top Performers

1Use the official DSST fact sheet as the checklist and study in proportion to the published weights.
2Practice spreadsheet formulas, charts, document features, and collaboration tools because application software is the largest domain at 22%.
3Review SDLC phases, programming paradigms, compilers/interpreters, database basics, and AI terms for the 21% software development domain.
4Know the difference between LAN, WAN, peer-to-peer, cloud infrastructure, HTTP/HTTPS, FTP, SSH, TLS, TCP, firewalls, IDS/IPS, IAM, VPNs, wireless, and cellular networks.
5Do timed practice sets so you are comfortable answering 100 multiple-choice questions in 2 hours.
6Confirm your college's DSST credit policy and school code before test day so scores are routed correctly.

Frequently Asked Questions

Is DSST Computing and Information Technology a current public DSST exam?

Yes. GetCollegeCredit lists Computing and Information Technology as a DSST exam, and the official fact sheet is marked Rev 6/2024. Prometric's DSST page directs test takers to the official DSST exam list and fact sheets.

How many questions are on the DSST Computing and Information Technology exam?

The official DSST fact sheet states that the exam contains 100 questions to be answered in 2 hours.

What score is recommended for credit?

The official fact sheet lists an ACE CREDIT recommendation of 3 lower-level baccalaureate semester hours with a minimum score of 400. Colleges set their own credit-award policies, so test takers should confirm the requirement with their institution.

How much does the DSST exam cost?

GetCollegeCredit states that the DSST test fee is $100 per exam and that testing sites may charge additional administrative fees. Eligible military test takers may have first attempts funded through DANTES.

Can this DSST exam be taken online?

Prometric's DSST registration page lists online ProProctor and test-center scheduling options for DSST exams, with Principles of Public Speaking noted as the exception for online delivery. Test takers should confirm current availability during scheduling.

What should I study first?

Start with the official content outline. The largest weighted areas are Application Software at 22%, Software Development at 21%, and Data Communications and Networks at 19%, so those should receive substantial practice time.