Question 1
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What number system has two digits, 0 and 1.
Question 2
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A [blank_start]byte[blank_end] is the smallest addressable unit in a computer
Question 3
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Used on microcomputers and has seven but binary code
Question 4
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Used on IBM mainframes and has Eight but binary code
Question 5
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16 bit coding scheme, 65,000 symbols and characters, Implemented on Window
Question 6
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[blank_start]Mother Board[blank_end] is the main circuit board of the system
Question 7
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[blank_start]CPU[blank_end] or [blank_start]Central Processing Unit[blank_end] is electric circuitry responsible for interpreting and issuing instructions to the rest of the machine.
Answer
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CPU
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Central Processing Unit
Question 8
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Machines with multiple CPU's cab parallel processing.
Question 9
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[blank_start]Arithmetic Logic Unit[blank_end] or [blank_start]ALU[blank_end] does math functions and decision making by comparing values.
Answer
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ALU
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Arithmetic Logic Unit
Question 10
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[blank_start]Control unit[blank_end] controls all the internal activities of the machine based on instructions it receives from programs.
Question 11
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[blank_start]Register[blank_end] super fast memory inside CPU, temporary holds locations, hold data, instructions, etc..
Question 12
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Holds the Results of the operations performed by the ALU
Question 13
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Holds data just received from internal memory or data about to be sent to internal memory
Answer
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Accumulator
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Storage register
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Address register
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General-purpose register
Question 14
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Holds the location of the data about to be transferred to/from internal memory.
Answer
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Accumulator
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Storage register
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Address register
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general-purpose register
Question 15
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holds data, addresses, or instructions.
Answer
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Accumulator
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Storage register
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Address register
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General Purpose register
Question 16
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[blank_start]BUS[blank_end] is a collection of wires through which data is transmitted from one part of a computer to another; data and instructions flow between the CPU, memory, and other parts of the computer.
Question 17
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[blank_start]Registers[blank_end] part of CPU, holds data/ instructions that the CPU will work with immediately, holds results of the last processing step.
Question 18
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[blank_start]Buffer[blank_end] not part of CPU, an intermediary between the CPU and I/O devices, helps to avoid too much CPU idle time.
Question 19
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[blank_start]Cache[blank_end] high speed RAM logically located between CPU and main memory, its purpose is to increase the speed at which data are accessed
Question 20
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The control unit copies an instruction from main memory and stores it in a register.
Answer
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Fetch
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Decode
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Execute
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Store
Question 21
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The control unit decodes the instructions, is data is required it fetches it from memory, then it is sent to ALU.
Answer
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Fetch
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Decode
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Execute
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Store
Question 22
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The ALU does the required calculations or comparison.
Answer
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Fetch
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Decode
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Execute
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Store
Question 23
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The control unit stores the result of the ALU in main memory or a register
Answer
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Fetch
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Decode
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Execute
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Store
Question 24
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[blank_start]Parallel processing[blank_end] divides a single problem into portions so that multiple processors work on their assigned portion of the task at the same time.
Question 25
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[blank_start]Instruction set[blank_end] group of main commands that the CPU has, has two major software designs- RICS, and CISC, computer speed is also measured by the number of instructions completed per second or millions of instructions per second (MIPS).
Question 26
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[blank_start]Memory Type[blank_end] access tome is how long it takes to access and retrieve data, it is listed in billions of seconds (nana seconds), the lower the number the faster the chip, when adding memory make sure speed of the chip is fast enough for CPU.
Question 27
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Address, each memory location
Answer
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has a unique address, a number
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May store many items at a time
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May contain data or an instruction
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may store only one item at a time
Question 28
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[blank_start]Parity[blank_end] is a very simple scheme to check if one error occurred during transmission
Question 29
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[blank_start]Abacus[blank_end] calculations are performed by manipulating strings of beads, It's fast, inexpensive, portable, non-electric.
Question 30
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[blank_start]Pascal's calculator[blank_end] french mathematician, invented first adding machine.
Question 31
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[blank_start]Leibniz's Multiplier[blank_end] expanded Pascals calculator, all digits of a number could be entered at once.
Question 32
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[blank_start]Jacquard's loom[blank_end] invented an attachment for the mechanical loom weaving cloth, recognized the design followed a fixed, repetitive pattern, punch holes in cards to control the loom's threads.
Question 33
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[blank_start]Charles Babbage[blank_end] father of modern computers, designed machine to calculate the tables accurately and automatically, special purpose machine.
Question 34
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[blank_start]Ada Lovelace[blank_end] mathematician, developed problem solving instructions, 1st programmer.
Question 35
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[blank_start]1937[blank_end] Dr. John V. Atanasoff and Clifford Berry designed and build the first electronic digital computer
Question 36
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[blank_start]1941[blank_end] Germany 1st developed computer prototype
Question 37
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[blank_start]1943[blank_end] England developed 1st practical single purpose electronic computer to break German codes; Harvard Univarsity computer called Mark 1
Question 38
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[blank_start]1946[blank_end] ENIAC-18,000 vacuums, had to be rewired to change the program (hard wired), the program is not stored in memory.
Question 39
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[blank_start]1st[blank_end] generation computer (1951-1958), vacuum tube technology, punched card or magnetic stripe, machine langauage, magnetic core (UNIVAC 1, IBM 650
Question 40
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[blank_start]2nd[blank_end] generation computer (1959-1964) transistor, solid-state technology, punched card or magnetic stripe, assembly language and some machine language, magnetic core.
Question 41
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[blank_start]3rd[blank_end] generation computer (1965-early 1970's) Integrated circuit technology, silicon chips, large scale integration, punch cards, magnetic tape, magnetic disk, magnetic core with some semiconductor memory.
Question 42
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[blank_start]4th[blank_end] generation computer very large scale integration, microprocessor chip, magnetic disk and floppy disk, high level language, user friendly software, semiconductor memory.
Question 43
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[blank_start]5th[blank_end] generation computer artificial intelligence, vocie recognition, parallel processing, quantum computation, natural language, self learning.
Question 44
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[blank_start]1975[blank_end] 1st personal computer, Ed Roberts, kit that you put together for hobbyist.
Question 45
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[blank_start]1976[blank_end] Apple 1, Steve jobs and Stephen Wozniak, Non-hobbyist
Question 46
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[blank_start]1981[blank_end] IBM, personal computer (PC)
Question 47
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[blank_start]electronic spreadsheet[blank_end] SW designed to perform calculations and has the appearance of a ledger, 1st released in 1979, a table that consist of columns (letters) and rows (numbers) which make up calls.
Question 48
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[blank_start]Workbook[blank_end] the file you work with and store data, has multiple pages.
Question 49
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[blank_start]Worksheet[blank_end] the individual pages.
Question 50
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[blank_start]Circular reference[blank_end] is a formula that refers to the cell that the formula is in or causes a circle to form in formulas.