AS & A Level Computer Science (9618) — October–November 2024, Paper 13
9 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Describe the operation of a 2-input XOR gate.
Answer this question and get it marked →A memory buffer uses Dynamic RAM (DRAM). Identify two differences between DRAM and Static RAM (SRAM).
Answer this question and get it marked →A car has an automatic braking system. A sensor is used to measure the distance to objects that are in front of the car. The car automatically brakes if an object is too close to…
Answer this question and get it marked →Identify two foreign keys in the table SALE and the table that each foreign key references. Foreign key 1 ... Table name 1 ... Foreign key 2 ... Table name 2 ...
Answer this question and get it marked →A computer programmer writes programs that are distributed with a software licence. Complete the table by writing the type of software licence each statement describes. Statement…
Answer this question and get it marked →A computer system stores text, images and sound. A character set is used to represent characters in a computer. Identify and describe one character set. Character set ...…
Answer this question and get it marked →The current contents of memory are shown: Address Data --- --- 50 54 51 55 52 50 53 52 54 100 55 25 56 50 The current contents of the ACC and IX are shown: ACC = 50, IX = 45.…
Answer this question and get it marked →Convert the hexadecimal number 1FAB into denary. Working ... Denary value ...
Answer this question and get it marked →A computer is connected to a Local Area Network (LAN) that connects to a Wide Area Network (WAN). Describe the characteristics of a WAN.
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