Computer Science EST revision

Computer Science EST revision

12th Grade

19 Qs

quiz-placeholder

Similar activities

Python List

Python List

4th Grade - University

15 Qs

QUIZ BAB 4: SISTEM OPERASI

QUIZ BAB 4: SISTEM OPERASI

8th Grade - University

20 Qs

GAD Review - Game Industry

GAD Review - Game Industry

9th - 12th Grade

22 Qs

1.1.1 The structure and function of the processor

1.1.1 The structure and function of the processor

11th Grade - University

15 Qs

Network topologies

Network topologies

8th Grade - University

20 Qs

Remidi UTS AIJ

Remidi UTS AIJ

12th Grade

20 Qs

Basics of spreadsheet

Basics of spreadsheet

12th Grade

15 Qs

Arduino Loop

Arduino Loop

2nd Grade - University

20 Qs

Computer Science EST revision

Computer Science EST revision

Assessment

Quiz

Computers

12th Grade

Practice Problem

Easy

Created by

Clayton Gibbs

Used 2+ times

FREE Resource

AI

Enhance your content in a minute

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the role of documentation in the SDLC?

To ensure that the system is secure

To maintain the system

To design the system

To test the system

Answer explanation

Documentation is an important part of the Software Development Life Cycle (SDLC) as it helps maintain the system and provides information for future maintenance, troubleshooting, and enhancement of the system.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which notation is used to create context diagrams?

Use Case diagrams

Entity-Relationship diagrams

Yourdon/DeMarco notation

Flowcharts

Answer explanation

Yourdon/DeMarco notation is a popular notation used to create context diagrams. It is a visual representation of the scope and boundaries of the system and shows external entities and their interactions with the system.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What are the functions of the components of the CPU?

Input and Output

Memory and Storage

Arithmetic Logic Unit and Control Unit

Operating System and Applications

Answer explanation

The two main functions of the CPU are performed by the Arithmetic Logic Unit (ALU), which performs arithmetic and logical operations, and the Control Unit (CU), which manages the flow of data between the CPU and other components.

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which component of the CPU manages the execution of instructions?

Arithmetic Logic Unit

Control Unit

Registers

Program Counter

Answer explanation

The Control Unit (CU) manages the execution of instructions by managing the flow of data between the CPU and other components. It fetches the instruction from memory, decodes it, and then executes it.

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the purpose of a context diagram?

To identify system requirements

To identify system inputs, processes, and outputs

To identify external entities and data flows in a system

All of the above

Answer explanation

A context diagram is used to show the scope and boundaries of the system and to identify external entities, inputs, processes, and outputs of the system. It helps to understand the requirements of the system and the interactions between different components.

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which step in the fetch-execute cycle involves decoding the instruction?

Fetch

Decode

Execute

Store

Answer explanation

The fetch-execute cycle is the process used by the CPU to execute instructions. The steps involved are fetch, decode, execute, and store. During the decode step, the instruction is decoded to determine what operation needs to be performed.

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which data protection method converts data into a coded language to prevent unauthorized access?

Encryption

Authentication

Digital Signature

None

Answer explanation

Encryption is a method used to protect data by converting it into a coded language to prevent unauthorized access. The data can only be accessed by those who have the encryption key to decode the data.

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?