Exercise 1.1 Find the word or phrase from the list below that best matches the description in the following questions. Use the num bers to the left of the words in the answer. Each answer should be used only once.

1. virtual worlds 14. operating system 2. desktop computers 15. compiler 3. servers 16. bit 4. low-end servers 17. instruction 5. supercomputers 18. assembly language 6. terabyte 19. machine language 7. petabyte 20. C 8. datacenters 21. assembler 9. embedded computers 22. high-level language 10. multicore processors 23. system software 11. VHDL 24. application software 12. RAM 25. cobol 13. CPU 26. fortran 1.1.1 [2] <1.1> Computer used to run large problems and usually accessed via a network 1.1.2 [2] <1.1> 1015 or 250 bytes 1.1.3 [2] <1.1> Computer composed of hundreds to thousands of processors and terabytes of memory 1.1.4 [2] <1.1> Today’s science fi ction application that probably will be available in near future 1.1.5 [2] <1.1> A kind of memory called random access memory 1.1.6 [2] <1.1> Part of a computer called central processor unit 1.1.7 [2] <1.1> Thousands of processors forming a large cluster 1.1.8 [2] <1.1> A microprocessor containing several processors in the same chip 1.1.9 [2] <1.1> Desktop computer without screen or keyboard usually accessed via a network 1.1.10 [2] <1.1> Currently the largest class of computer that runs one application or one set of related applications 1.1.11 [2] <1.1> Special language used to describe hardware components 1.1.12 [2] <1.1> Personal computer delivering good performance to single users at low cost 1.1.13 [2] <1.2> Program that translates statements in high-level language to assembly language 1.1.14 [2] <1.2> Program that translates symbolic instructions to binary instructions 1.1.15 [2] <1.2> High-level language for business data processing 1.1.16 [2] <1.2> Binary language that the processor can understand 1.1.17 [2] <1.2> Commands that the processors understand 1.1.18 [2 ]<1.2> High-level language for scientifi c computation 1.1.19 [2] <1.2> Symbolic representation of machine instructions 1.1.20 [2] <1.2> Interface between user’s program and hardware providing a variety of services and supervision functions 1.1.21 [2] <1.2> Software/programs developed by the users 1.1.22 [2] <1.2> Binary digit (value 0 or 1)
1.1.23 [2] <1.2> Software layer between the application software and the hardware that includes the operating system and the compilers 1.1.24 [2] <1.2> High-level language used to write application and system software 1.1.25 [2] <1.2> Portable language composed of words and algebraic expressions that must be translated into assembly language before run in a computer 1.1.26 [2] <1.2> 1012 or 240 bytes