Feb 23, 2009 QUIZ 1 CSE-407Human Computer Interaction Time Allowed: 10 minutes 1. A computer can be defined as 2. A. The participant in an interaction that runs a program B. The participant in an interaction that is interactive C. The interaction part of participation D. The silicon chip inside a box Batch data entry is used when there is a large amount of data to be entered into a system 3. TRUE/FALSE The DVORAK keyboard differs from the QWERTY one in that 4. A. It lays out the letters differently to achieve less errors B. It lays out the letters differently to achieve a faster typing speed C. Only the numeric keys are in different positions D. It is for musical input Handwriting technology is not widely used at present because 5. A. Nobody is interested in it B. Recognition is not fast or accurate for a wide range of users C. Computers can't read handwriting D. People can't spell properly, leading to confusion Speech technology is a small area of commercial interest 6. TRUE/FALSE Two stages in human vision processing are: 7. A. i) physical reception of stimulus ii) processing and interpretation of stimulus B. i) physical understanding of stimulus ii) processing through memory flashbacks C. i) physical processing through eye retina (using cons and rods) ii) message passing of processed pattern to brain for cognition D. i) processing and interpretation of stimulus ii) physical reception of stimulus Vision System in humans compensates for: 8. A. Size and Depth, Brightness and Colour B. Changes in luminance, movement C. Typical human memory related issues, such as color blindness, autism, and dyslexia. D. Overall image through memory flashbacks Saccades and fixations are involved in: A. Human reading B. Human vision recognition C. Human writing D. Human taste E. Human touch Page 1 of 2 9. Humans can hear frequencies from: 10. A. 20mHz to 15MHz B. 20kHz to 40kHz C. 20Hz to 15kHz D. none of above Nociceptors 11. A. are used to calculate pain B. are used to calculate heat and cold C. are used to calculate pressure D. are used to calculate body position WYSIWYG 12. A. is an acronym for 'What You Scan Is What You Grab' B. is an acronym for 'What You See Is What You Get' C. is the nickname given to the Macintosh's user interface D. is the nickname given to the PC's operating system ASCII codes are used 13. A. To represent numbers B. To transmit information securely C. To identify the author of a document D. To represent letters, numbers, symbols, punctuation and control characters Speed is important for interactive devices 14. A. So that people can do word processing more quickly B. So that games run better C. So that they can respond appropriately to the user's input D. No it isn't Buffering is used in interactive systems 15. A. To remember what the user has done and react appropriately B. To draw on the screen efficiently C. To allow easy access to recently used programs and documents D. No it isn't Computer memory operates at two different levels A. True: RAM (Random Access Memory) and ROM (Read-Only Memory) B. True: LTM (long-term memory) and STM (short-term memory) C. True: fast and slow D. False Page 2 of 2