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2.1 He has a core2 quad PC running at 3GHz (Gigahertz) with a high performance graphic card with its own memory.   2.1.1 What component does core2 quad refer to? (1) 2.1.2 Explain briefly what is meant by core2 quad. (3) 2.2 The PC has 16GB (Gigabyte) of memory. What type of memory is being referred to? (1) 2.3 It also has a 1 TB (Terabyte) hard drive.         2.3.1 What is the EXACT ratio between 1GB and 1TB? (1) 2.3.2 Why is the hard drive so much larger than memory? Explain briefly. (3)     [9]

Question 6 – Logic Gates and Circuits   (a)              Draw a logic circuit to represent the logic expression:     X = NOT (A OR C) OR (A AND NOT B)       (5) (b) Complete the truth table for the logic expression: The answer must be done on your exam pad.     X = NOT (A OR C) OR (A AND NOT B) (4)     [9]

3a. In September 2013, Apple launched two new iPhones with features such as fingerprint registration technology and a range of bright colours. The main reason for Apple to launch new iPhones is to (1)

1b. Explain why this answer is correct (3)

1.2 Briefly explain the following terms (expanding the abbreviation/acronym will NOT gain any marks).   1.2.1 GPS (2) 1.2.2 Switch (2) 1.2.3 WWW (2) 1.2.4 OCR (2)     [13]

2a. IBM offers all of its graduate employees training and development programmes, including a one-day induction course. An induction course is most likely to involve? (1)

INSTRUCTIONS   1. Answer all questions   2. The marks allocated to each question are shown in brackets ( ) at the end of the question  

Question 5  Algorithms and Problem Solving

Line Number Description 1 countHighRatings  ← 0 2 countLowRatings  ← 0 3 Input ticket number 4 While ticket number not equal to 0 5 Start While loop 6 Input Rating 7 If rating equals 1 8 countHighRatings ← countHighRatings + 1 9 Otherwise 10 countLowRatings ← countLowRatings + 1 11 End While Loop 12 Display countHighRatings 13 Display countLowRatings

  A   B C Working space X 0 0 0     0 0 1     0 1 0     0 1 1     1 0 0     1 0 1     1 1 0     1 1 1