1) Which is the most efficient way to write height * height a) height^3 b) height^2 c) height^1 d) height^4 e) height x height f) height 2) Which of the following is a vector file format? a) BMP b) PNG c) SVG d) TIFF e) JPEG 3) Which of the following is a bitmap graphic file format? a) SVG b) PDF c) DOC d) EPS e) PNG 4) How would you describe a vector file format? a) 2d array of pixels b) Array c) map of bits d) shapes described by their attributes e) bit depth and pixels 5) Which of the following is used to describe a circle? a) Ellipse b) Lips c) Eclipse d) Square e) Ring 6) If turn equals 2 which of the following will return yes. a) IF turn < 1 OR turn > 4 THEN SEND "yes" to DISPLAY b) IF turn > 1 AND turn < 4 THEN SEND "yes" to DISPLAY c) IF turn >= 1 OR turn <= 4 THEN SEND "yes" to DISPLAY d) IF turn > 2 AND turn < 4 THEN SEND "yes" to DISPLAY e) IF turn > 0 AND turn < 2 THEN SEND "yes" to DISPLAY 7) What type of data does boolean state? a) Yes b) True / False c) Maybe d) String e) Numbers 8) Which part of the processor ensures that the program instructions are carried out in the correct order? a) ALU b) Registers c) Reset d) Clock e) Control Unit 9) Which describes the data bus? a) Points to the address b) Carries data to CPU c) Carries data to and from CPU and Main Memory d) Controls the signals between all parts in CPU 10) State the advantage of encrypting files. a) Files can be easily stolen b) Files are easy to read c) Files are never able to be open d) Files which may be accessed still require a key to decode the contents. 11) What is the purpose of a fixed loop? a) Keeps iterating b) No known number of iterations c) Set number of iterations d) To keep looping forever 12) Which of the following is NOT a standard algorithm? a) Running Total b) Traversing a 1D Array c) Input Validation d) Find Maximum e) Looking for code 13) What is the term used to describe when two or more strings are joined together? a) Mid b) Concatenation c) Conquering d) Adding e) &&&& 14) Which is not a way used to evaluate code? a) Fitness for Purpose b) Efficiency of Coding Constructs c) Readability of Code d) Input Validation 15) Which stage comes after Testing? a) Design b) Development c) Documentation d) Diarising 16) Which of the following is NOT a design methodology a) Flow Chart b) Structure Diagram c) Pseudocode d) Mindmap 17) Which of the following is a data structure used to store many pieces of data of same data type? a) 1 D Array b) Map of data c) Column of data d) 1 D Rows 18) State the name of the design of the HCI. a) Picture Frame b) Wireframe c) Design Frame d) HCI Frame 19) Which part is the mantissa 0.11000101 x 21010 a) 10110101 b) .10110101 c) 1010 d) x2 20) In VB Which pre defined function is used to round to a specific number of places? a) Sqr b) Int c) Round d) Rnd 21) Do...Loop Until Colour = "red" a) Will keep looping forever b) Will keep looping until red is entered c) Will keep looping until blue it entered d) Will not loop 22) Which key is a unique identifier? a) Secondary b) Combination c) Primary d) Postcode 23) Which of the following would not be a suitable primary key a) Mobile Phone Number b) SQA Candidate Number c) ISBN d) Name 24) Which of the following are not a type of validation in DBs a) Range Check b) Restricted Choice c) Field Length Check d) Presence Check e) Allowable 25) Which of the following check determines if data is there or not? a) Range Check b) Restricted Choice c) Field Length Check d) Presence Check 26) This diagram shows which type of relationship? a) 1 to 1 b) M to M c) 1 to M 27) How is a primary key shown on an ERD? a) * b) ___ c) / d) () 28) How is a foreign key shown on an ERD? a) * b) ___ c) / d) () 29) What requires that whenever a foreign key value is used it must reference a valid, existing primary key in eh parent table? a) RI b) Referential Integrity c) Relational Database d) ERD e) Entities 30) Which employee_id would show up with this statement? a) 100 b) 101 c) 110 d) 1-100 31) Which table is being interrogated in this statement? a) employe_id b) employer c) employees d) employee 32) Which symbol do you use between dates in a SQL WHERE clause? a) ? b) > c) < d) & e) # 33) When evaluating a database, what is the term used to ensure it meets all functional and end user requirements? a) Meeting the Specification b) Fit for Purpose c) Matching the Functional Requirements d) Meeting the end user requirements

N5 Computing Science Revision Quiz

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