Computer Science (9-1) - 0984 CIE

Boolean Logic

Bayani Gaba-gaba

Deep inside every processor, decisions are made by tiny circuits that know only true and false, 1 and 0. These are logic gates, and by wiring them together a computer can add, compare and choose. Learn the handful of gates and you can read the logic of any digital circuit and predict exactly what it will output.

In this lesson you will recognise the standard symbol for each gate, learn precisely when each one outputs a 1, and then move between the three ways of describing logic: a problem in words, a logic expression, and a truth table. You will build a circuit, complete its truth table, and write the matching expression.

Manufura

  1. 1 Identify and use the standard symbols for logic gates
  2. 2 Define and understand the functions of logic gates
  3. 3 (a) Use logic gates to create given logic circuits from a: (i) problem statement (ii) logic expression (iii) truth table (b) Complete a truth table from a: (i) problem statement (ii) logic expression (iii) logic circuit (c) Write a logic expression from a: (i) problem statement (ii) logic circuit (iii) truth table

Takardar Darasi

Computers are built from millions of logic gates. Each gate takes one or more binary inputs and produces a single binary output, following a fixed rule. The system is called Boolean logic because every value is one of just two states, true or false (1 or 0). Logic questions ask you to move confidently between a problem in words, a logic expression, a circuit and a truth table, so knowing each gate cold is essential.

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Nazarin Darasi

Barka da kammala darasi akan Boolean Logic. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. Which gate outputs 1 only when both inputs are 1? A. OR B. AND C. NOR D. XOR Answer: B
  2. Which gate outputs 1 only when the two inputs are different? A. AND B. NAND C. XOR D. NOR Answer: C
  3. A NOR gate outputs 1 when: A. both inputs are 1 B. either input is 1 C. both inputs are 0 D. the inputs differ Answer: C
  4. The logic expression A.B represents which gate? A. OR B. AND C. NOT D. XOR Answer: B
  5. How many rows are needed in a truth table for a circuit with two inputs? A. 2 B. 3 C. 4 D. 8 Answer: C

Akwai a cikin manhajar Green Bridge

Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
Yi karatu ba tare da intanet ba, a kowane lokaci, a ko'ina
Akwai a Android, Windows, macOS, da Linux

Akwai a cikin manhajar Green Bridge

Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.

Cikakkiyar bayanan darasi tare da zane-zane
Mataimakiyar koyo da AI
Yi karatu ba tare da intanet ba, a kowane lokaci, a ko'ina
Akwai a Android, Windows, macOS, da Linux

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan Boolean Logic? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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