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Exam 1 review. Course: CIS 3003 Fundamental of Information Technology. Exam #1. Material in Chapters 1 – 5. No calculator or computer. Closed books and notes. True/False, Multiple Choice, Computation problems. A problem can involve material from multiple chapters. Chapter 1.
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Exam 1 review Course: CIS 3003 Fundamental of Information Technology
Exam #1 • Material in Chapters 1 – 5. • No calculator or computer. Closed books and notes. • True/False, Multiple Choice, Computation problems. • A problem can involve material from multiple chapters.
Chapter 1 • What is information? • Activities enabled by IT • Trend of IT: what is hot; what is not • Various IT careers
Chapter 2 • Digital vs. Analog. Digital representation in various mediums. Switch implementation with various hardware. • Bits, Bytes, Kb, Mb, Gb, KB, MB, GB, TB • bps, Kbps, Mbps, Gbps • Moore’s Law • Advantages of Digital over Analog.
Chapter 3 • Conversion among decimal, binary, and hexadecimal. • Positive Integer to binary • Positive Float to binary • Binary to Decimal • Negative Integer to binary and Two’s compliment • Binary to Hexadecimal • Binary addition
Positive Decimal to Binary Convert a decimal number 42.875 to binary Decimal: 42.875 Binary: 101010.111 Remainder as division remainder; modulo operation.
Negative Integer to Binary Express -5 in 8-bit 2’s complement form • Find the binary value of 5: 00000101 • Take the complement of the binary value: 11111010 • Add 1 to the binary in step 2: 11111011
Binary to Hexadecimal Convert 1111101010110001(2) into hexadecimal shorthand:
Chapter 4 • Logic gates • Input and output devices. • CPU and its components • Mother board • Various types of memory • Hard drive and optical disks
Chapter 5 • What is software? Relationship to the hardware • Low-level and high-level programming languages. Types of language at each level. • System and application software. Examples. • Software development process: waterfall vs. iterative.