Practice Test GeeksEmSAT Practice Test
← All EMSAT Flashcard Decks

Computer Science Flashcards

7 cards from real EMSAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Computer Science flashcards as text

  1. What is the decimal value of the binary number 1011?

    Answer: 11

    1011 in binary = 1×8 + 0×4 + 1×2 + 1×1 = 8 + 0 + 2 + 1 = 11.

  2. Which sorting algorithm has a best-case time complexity of O(n)?

    Answer: Bubble Sort

    Bubble Sort has a best-case complexity of O(n) when the list is already sorted and no swaps are needed.

  3. In object-oriented programming, what is encapsulation?

    Answer: Bundling data and methods that operate on it within a single unit

    Encapsulation bundles data and related methods together and restricts direct access from outside.

  4. What does CSS stand for?

    Answer: Cascading Style Sheets

    CSS stands for Cascading Style Sheets, used to define the presentation of HTML documents.

  5. Which type of malware disguises itself as legitimate software to trick users into installing it?

    Answer: Trojan Horse

    A Trojan Horse disguises itself as useful software but performs malicious actions once installed.

  6. How many bytes are in 1 Kilobyte (KB)?

    Answer: 1024

    In computing, 1 Kilobyte = 2^10 = 1024 bytes.

  7. In a flowchart, which shape is used to represent a decision?

    Answer: Diamond

    A diamond shape in a flowchart represents a decision point with two or more possible branches.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. emsat.moe.gov.ae — Test delivery, eligibility, time limit, retake fee, retake policy, score release, exam format, exam information · verified Oct 2026
  2. mohesr.gov.ae — Eligibility · verified Oct 2026