Computer Science - 4CP0 PearsonEdexcel

Logic

Muhtasari

A burglar alarm that only sounds when a window is open AND the system is armed, OR when the panic button is pressed, is making a decision with exactly the same building blocks that control billions of transistors inside a CPU. Every decision a digital circuit makes, however complicated it looks from the outside, is built from a tiny handful of logic gates combining binary inputs into a binary output.

In this lesson you will learn what the AND, OR and NOT gates do and how the derived XOR gate is built from them, how to write Boolean expressions for a logic statement, how to build a complete and correct truth table for any expression, and how to turn a real-world problem into a logic statement of your own.

Malengo

  1. Be able to construct and interpret truth tables for a given logic statement (AND, OR, NOT)
  2. Be able to produce logic statements for a given problem

Maelezo ya Somo

A logic gate takes one or more binary inputs (each either 0 or 1) and produces a single binary output, based on a fixed rule. A Boolean expression is the written form of that rule, combining input names with the operators AND, OR and NOT. Three gates form the basis of every digital circuit.

Inapatikana kwenye programu ya Green Bridge

Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.

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Tathmini ya Somo

Hongera kwa kukamilisha somo la Logic. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.

Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.

Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.

  1. Which Boolean operator produces an output of 1 only when both of its inputs are 1? A) OR B) NOT C) AND D) XOR Answer: C
  2. How many rows does a complete truth table need for a logic statement with 3 inputs? A) 3 B) 6 C) 8 D) 9 Answer: C
  3. For inputs A=1 and B=0, what is the output of X = A XOR B? A) 0 B) 1 C) Undefined D) 2 Answer: B
  4. Which gate takes only one input? A) AND B) OR C) NOT D) XOR Answer: C
  5. In standard binary counting order, what are the four input rows for a 2-input truth table (A then B)? A) 11, 10, 01, 00 B) 00, 01, 10, 11 C) 00, 10, 01, 11 D) 01, 10, 00, 11 Answer: B

Inapatikana kwenye programu ya Green Bridge

Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.

Maelezo kamili ya masomo yenye michoro
Msaidizi wa kujifunza wa AI
Soma bila mtandao, wakati wowote, mahali popote
Inapatikana kwa Android, Windows, macOS, na Linux

Inapatikana kwenye programu ya Green Bridge

Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.

Maelezo kamili ya masomo yenye michoro
Msaidizi wa kujifunza wa AI
Soma bila mtandao, wakati wowote, mahali popote
Inapatikana kwa Android, Windows, macOS, na Linux

Fanya Mazoezi ya Maswali ya Majaribio

Ungependa kufanya mazoezi ya maswali ya majaribio kuhusu Logic? Pakua programu ya Green Bridge CBT ili kupata maswali ya majaribio na tathmini kamili za mazoezi kuhusu mada hii.

Pakua Programu Kwenye Google Playstore

Kila kitu unachohitaji ili kufaulu katika JAMB, WAEC & NECO.

Green Bridge CBT Mobile App
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Zaidi ya Madaftari ya Masomo 1200
Msaada Nje ya Mtandao - Jifunze Wakati Wowote, Popote Pale
Ratiba ya Daraja la Kijani
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