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This is a storage device that can store data/information. RAM is called "random access," because if we know the memory cell address, then we can access it directly. Primary memory is used to execute computer programs. It is known as an electronic device because it runs through electricity. » Java CU mainly communicates between processor, memory and computer peripherals (input/output devices). » Privacy policy, STUDENT'S SECTION » C Computer System; Basic Components of a Computer System; Concept of Memory; Computer Software; Operating System; Microsoft Windows; Office Tools: Word Processing Tools (MS Word 2010) Computer Networking; Content Technology; MS Word (contd.) » HR The information is recorded by magnetic read / writes heads on the surface of the rotating disk. temporary and permanently. » Java CBSE board has adopted this guideline and implemented Information Technology as a subject in class 9th. Languages: ALU is a part of a computer processor. & ans. Each platter surface coated with a magnetic coating. CBSE released the revised syllabus for Class 9 Information Technology at the … Computer Applications For ICSE Class IX. As per user's need and the advancements in the computer industry, the manufacturer’s developed advanced memory devices which can execute data speedily and can store large size data. : Control Unit controls all the devices connected to the computer system so that interrupt or unavoidable circumstances between device communications cannot happen. Watch Queue Queue. Memory is a storage device of a computer system. RAM is the most commonly used memory. » SQL » About us As its name implies, this memory stores data which is accessible to the users in read-only form, it means the user can not edit the data or instructions stores in ROM. It is capable to store a large amount of data and can be accessed whenever required. » CS Organizations Unit 1 – Introduction to IT-ITeS industry. The syllabus also includes in depth study of Microsoft office such as MS Word, MS Excel and MS PowerPoint. » Machine learning Web Technologies: DRAM is mostly used in today's computer system. CBSE syllabus for Class 9 Information Technology for the academic year 2020-2021 helps students to know the topics and subtopics they are going to study in the respective academic year.

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