ISQS 2340 -Exam 1 Questions with well explained answers
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Course
ISQS 2340
Institution
ISQS 2340
1800's: Analytical Engine - Charles Babbage - Answer-Sign of first programmable computer
1911: Hollerith's machine (Mechanical tabulator) - Answer-Hollerith's machine was a complete success
and the company that manufactured Hollerith's machine, in 1911, merged with its main competitor,
IBM.
194...
ISQS 2340 -Exam 1 1800's: Analytical Engine - Charles Babbage - Answer -Sign of first programmable computer 1911: Hollerith's machine (Mechanical tabulator) - Answer -Hollerith's machine was a complete success and the company that manufactured Hollerith's machine, in 1911, merged with its main competitor, IBM. 1947: ENIAC (Electronic Numerical Integrator and Computer) Vacuum Tubes - Answer -- Vacuum Tubes - First ever electronic digital computer - 5000 calculations/sec (fast for time, slow now) 1975: First microcomputer, personal computer (PC) - Answer -Altair 8800 1st Generation Computers - Answer --Vacuum Tubes -ENIAC -UNIVAC (Universal Automatic Calculator) -IBM 704 2nd Generation Computers - Answer -Transistors (late 50s) 3rd Generation Computers - Answer -Integrated circuits (1960s) - first one by Jack Kilby for Texas Instruments 4th Generation Computers - Answer -- Extreme miniaturization - 1980s (400,000 calc/sec) - First microcomputer/PC (1975) - Altair 8800**** - Apple (1979) - IBM PC (1982) **note Q -dogs Alliance Strategy uses IT to - Answer -develop interenterprise IS linked by the internet Arithmetic Logic Unit - Answer -performs 2 functions: -mathematical operations -logical comparisons of both numbers and strings Ask-Intec Conclusion - Answer --Became difficult to keep track of and access of information, so Ask -Intec solved problem with strategic use of IT -Intec improved it's competitive position in satisfying their present clients and gaining new customers Bit - Answer --binary digit -physical representation of data in a computer (letters, numbers and symbols must be represented to the computer as a combination of 0s or 1s: off or on) Bits represent characters - Answer -(1 bit, 2 ch)... (2 bit, 4 ch)... (3 bit, 8 ch)... (4 bit, 16 ch)... (5 bit, 32 ch)... (6 bit, 64 ch)... (7 bit, 128 ch)... (8 bit, 250 ch) Byte - Answer --made up of usually 8 bits -a character -smallest unit that can be located and about in the computer Capacity - Answer --measured in bytes -Kilobytes: 1,000 bytes -Megabytes: 1,000,000 bytes -Gigabytes: 1,000,000,000 bytes -Terabytes: 1,000,000,000,000 bytes Central Processing Unit (CPU) - Answer -Consists of: -Control unit (fetch/decode) -Arithmetic logic unit
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