OGE Informatics study guide
OGE Informatics · Work through your exam, one topic at a time.
The OGE in Informatics (ОГЭ Информатика) is the Basic State Exam taken by Russian ninth-graders at the end of lower secondary school. Results matter for the school certificate and for admission to some specialised senior classes or vocational programmes, so it functions as both a school-leaving and a selection signal. The OGE Informatics study guide has 8 sections and about 2,010 words.
01Digital Literacy and Information Technology Fundamentals
Digital literacy means knowing what a computer can and cannot do, how data differs from information, and how the main hardware and software categories fit together. Key concepts: data vs.
277 words, about 1 min02Information Coding, Number Systems, and Measurement of Information
Computers store everything in binary . Candidates must convert between binary, decimal, octal, and hexadecimal, and measure information in bits and bytes (1 byte = 8 bits; 1 KiB = 1024 bytes).
253 words, about 1 min03Computer Modeling and Algorithmization
A model is a simplified representation of an object or process. Models can be material or informational; informational models include tables, graphs, formulas, and programs.
264 words, about 1 min04Programming and Algorithm Execution
Questions present short programs or pseudocode and ask for the output. You must understand variables and types (integer, real, string, boolean), assignment , arithmetic operators (including integer division div / // and remainder mod / % ), comparison and logic , and arrays with indexing.
253 words, about 1 min05Computer Systems, Software, and File Organization
Know the von Neumann architecture : CPU (ALU + control unit), memory, input/output, with the stored-program principle. Distinguish RAM (volatile, fast) from ROM and long-term storage.
244 words, about 1 min06Information and Communication Networks, Internet Services
A computer network links devices to share resources. Distinguish local (LAN) from global (WAN/Internet) networks.
229 words, about 1 min07Information Security and Safe Use of ICT
Security covers confidentiality, integrity, availability . Threats include malware (viruses, worms, trojans), phishing , social engineering , and password attacks .
230 words, about 1 min08Practical ICT Tasks: Spreadsheets, Text, Search, Databases
Practical tasks test tool skills. Spreadsheets : cell references (relative A1 , absolute A 1 ), formulas starting with = , functions ( SUM , AVERAGE , MIN , MAX , IF , COUNT ), charts, and sorting/filtering.
260 words, about 1 min