Computer Science 9th Class English Medium Online Test With Answers

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Computer Science 9th Class English Medium Online Test

Sr. # Questions Answers Choice
1 What role does the Operating system (OS) play in a computer? It performs calculations and executes instructions It temporarily stores data and instructions for the CPU It receives imput from interface components and decides what to do with it. It provides long-term storage of data and software
2 What concept does thetheory of system aim to understand. Hardware design System interactions and development over time. Software applications Net work security
3 What are teh basic components of a system? Users, hardware , software Objectives, components, environment, communication Input, Output, processes Sensors,actuators, controllers
4 What type of environment remins unchanged unless the system provides an output. Dynamic Static Deterministic Non-deterministic
5 What is an example of a simple system? A Human body Computer Network A thermostal regulating temperature The Internet
6 What is one of the fundamntal concepts of any system. Its size Its Objective Its age Its Prize
7 What is the primary function of a system. To work independently To achieve a common goal To create new systems To provide entertainment
8 Which systems consist on living organism? Artifical Chemical Psychological Biological
9 Which systemss involve substances and their Interactions? Artificial Chemical Psychological Biological
10 Which sysems involve the mind and behavior? Artificial Chemical Psychological Biological
11 Which Protocol ensures reliable data transmission between two devices over the Internet. UDP (User Datagram Protocol) TCP (Transmision Control Protocol) IP (Internet Protocol) ICMP (Internet Control Message Protocol)
12 What is the primary purpoe of the DNS (Domain Name System) Protocol? To assign IP addresses to devices To map domain names to IP Address To ensure secure transmission of data To transfer files over the internet.
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