AS COMPUTING UNIT 2! AS COMPUTING UNIT 2! January exam 14th 2011 Revise! 3.0 / 5 based on 4 ratings ? ComputingASAll boards Created by: Joshua BellCreated on: 12-12-10 11:44 What is overflow? OVERFLOW - Is attempting to add or stack or queue which is already full. 1 of 22 What is a supercomputer? SUPERCOMPUTER - Is a computer which can perform hundreds of millions of tasks per second and is employed for specialist applications. 2 of 22 What is protocol? PROTOCOL - is a set of rules covering standards for phyiscal connections, cables, error detection etc. 3 of 22 What is a queue? QUEUE - Is a (FIFO) First In, First Out list. 4 of 22 What is selection? SELECTION - Is selection a course of action based on a condition. 5 of 22 What is concatenation? CONCATENATION - Is joining to or more strings together. 6 of 22 What is parallel? PARALLEL - Is a method of data transmission used inside a computer for a short distance (up to a few metres) e.g. a printer. 7 of 22 What is parameter? PARAMETER - Is information about a data item being supplied to function or procedure when it is called. 8 of 22 What is a procedure? PROCEDURE - Is a completely self-contained sub-program which may be called from the main program. 9 of 22 What is a word? WORD - Is the maximum number of bits that the processor can handle simultaneously. 10 of 22 What is a bus? BUS - Is a set of parallel wires within a computer which carry data between components. 11 of 22 What is information? INFORMATION - Is data with context and/or meaning. 12 of 22 What is variable? VARIABLE - Is a temporary storage space for data, referred to by its name. 13 of 22 What is handshaking? HANDSHAKING - Is the exchange of signals between devices to establish their readiness to send/receive. 14 of 22 What is a function? FUNCTION - Is a sub-program which returns to value. 15 of 22 What is a unicode? UNICODE - Is an international 16-bit coding system. 16 of 22 What is underflow? UNDERFLOW - Is attempting to remove an item from an empty queue or stack. 17 of 22 What is while? WHILE - Is a conditional loop. 18 of 22 What is direct? DIRECT - Is a method of data capture where data is collected and used for a specific purpose. 19 of 22 What is algorithm? ALGORITHM - Is a series of steps to solve a problem. 20 of 22 What is an address? ADDRESS - Is a bus which carries address of memory or input/output (i/o) ports. 21 of 22 What is serial? SERIAL - Is the transmission where bits are sent via an interface one bit at a time over a single wire from source to destination. 22 of 22
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