Exam 2: Computers: The Machines Behind Computing

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What is a motherboard?

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A motherboard is the main circuit board containing connectors for attaching additional boards.In addition,it usually contains the CPU,Basic Input / Output System (BIOS),memory,storage,interfaces,serial and parallel ports,expansion slots,and all the controllers for standard peripheral devices,such as the display monitor,disk drive,and keyboard.

What are the three main types of secondary memory devices?

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There are three main types of secondary memory devices: magnetic disks,magnetic tape,and optical discs.

Which of the following best defines an operating system?

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Identify the file in which each alphabetic,numeric,or special character is represented with a 7-bit binary number.

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The most common type of main memory is a semiconductor memory chip made of _________.

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A(n)_________,a memory device,uses laser beams to access and store data.

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_________ store computer software,which users can access from their workstations.

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A(n)_________ is the enclosure containing a computer's main components.

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An ASCII file defines up to _____ characters.

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Trackballs are ideal for notebook computers because they _____.

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Identify a computer language that is machine dependent.

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A _________ is an input device for computers.

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Which of the following is true about magnetic tapes?

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Write a short note on single processor and multiprocessor systems.

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_________ are compatible with the IBM System / 360 line introduced in 1965.

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Sometimes,fourth-generation languages (4GLs)are called procedural languages.

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_____,which is nonvolatile,holds data when the computer is off or during the course of a program's operation,and it is also used to store large volumes of data for long periods.

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Computers can store massive amounts of data in small spaces.

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Every character,number,or symbol on the keyboard is represented as a _____ in computer memory.

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Provide a general description of how to write a computer program.

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