Which of the following uses data with more than three dimensions?
Answer(s): D
Data Cube is the correct answer. It sounds wrong because a cube has three dimensions, but in the world of data, a data cube has more than three dimensions. Taxonomy is a way of organizing two- dimensional data. An array is single-dimensional data. Hierarchy is just there to distract and does not relate to data in this context.
What is the correct order of the 'Fetch-Execute' Cycle?
Answer(s): C
The correct order is Fetch, Decode, Execute, Store. Fetch (find the instruction), Decode (understand it), Execute (carry out the operation), and Store (save the result). A computer can run this cycle over 2.5 million times per second!
The storage of data by a third party is commonly known as what?
Answer(s): B
This is The Cloud, which may also be called 'cloud computing' or 'cloud storage.' It is commonly used in mobile phones to store data externally rather than on the device itself.
Tracy is a logistics manager who is using an algorithm to solve a problem. She needs to work out the shortest travel time between a warehouse and a client's location. She is using past data to help solve the problem. What type of algorithm is she using?
This is dynamic programming as it optimizes a problem using past data. Divide and conquer splits the problem into subproblems. Brute force tries all possible solutions until it finds the correct one. Simple recursive is used for repetitive calculations.
Donkey Logistics Ltd is transitioning into the digital era and is looking to implement technology that can track the location of deliveries when they are en route to customers. Which of the following is able to store a high-volume data set which can be read by a hand-held device?
RFID (Radio Frequency Identification) is correct. GPS and Navistar are for location tracking, but they do not store large volumes of data. Barcodes store limited data.
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