Computer Essentials 5

12 September 2022
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question
With these systems, input and output devices are located outside the system unit. Select one: a. Desktop systems b. Personal digital assistants c. Smartphones d. Laptop computers
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a. Desktop systems
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This type of computer is a thin slab that is almost all monitor with the system unit located behind the monitor. Select one: a. Laptop b. Tablet c. Desktop d. Smartphone
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b. Tablet
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A byte is formed by a group of _______. Select one: a. 4 bits b. 8 bits c. 12 bits d. 16 bits
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b. 8 bits
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Which of the following is not a character encoding standard? Select one: a. EBCDIC b. ASCII c. CISC d. Unicode
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c. CISC
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This character encoding scheme allows non-English characters and special characters to be represented. Select one: a. ASCII b. Unicode c. EBCDIC d. ANSIC
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b. Unicode
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The system board is also known as the _______. Select one: a. expansion slot b. motherboard c. expansion card d. bus
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b. motherboard
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On the motherboard, the connection points for chips are referred to as _______. Select one: a. slots b. sockets c. ports d. lines
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b. sockets
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Tiny circuit-boards etched onto squares of sand-like material, called silicon, are called _______. Select one: a. buses b. slots c. sockets d. chips
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d. chips
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Integrated circuits must be mounted on _______, which are then plugged into the motherboard. Select one: a. slots b. pins c. ports d. chip carriers
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d. chip carriers
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Which of the following is a function of the control unit? Select one: a. It provides pathways that support communication among the various electronic components. b. It directs the movement of electronic signals between memory and the arithmetic-logic unit. C c. It performs fundamental math operations like addition, subtraction, and so on. d. It uses the logic to compare two pieces of data.
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b. It directs the movement of electronic signals between memory and the arithmetic-logic unit.
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Pathways that support communication among the various electronic components on the system board are called _______. Select one: a. bus lines b. network lines c. logic paths d. gate ways
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a. bus lines
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In most personal computer systems, the CPU is contained on a single chip called the _______. Select one: a. semiconductor b. ALU c. microprocessor d. control unit
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c. microprocessor
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Term used to describe the number of bits that a CPU can access at one time. Select one: a. Bitrate b. Word c. Pulse width d. Character
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b. Word
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A 32-bit-word computer can access _______. Select one: a. 2 bytes at a time b. 16 bytes at a time c. 4 bytes at a time d. 8 bytes at a time
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c. 4 bytes at a time
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The processing speed of a microprocessor is typically represented by its _______. Select one: a. bus line b. control unit c. clock speed d. ALU
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c. clock speed
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Which of the following allows a computer to run two or more operations simultaneously? Select one: a. Coprocessors b. Multiplexing c. Multicore chip d. Binary system
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c. Multicore chip
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For multicore processors to be used effectively, computers must understand how to divide tasks into parts that can be distributed across each coreโ€”an operation called _______. Select one: a. arithmetic-logic processing b. multiplexer processing c. parallel processing d. graphics coprocessing
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c. parallel processing
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A type of specialty processor devoted exclusively to protecting your privacy. Select one: a. Data cards b. Micro cards c. Cryptoprocessor d. Embedded cards
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c. Cryptoprocessor
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These specialty processors are designed to improve specific computing operations such as displaying 3-D images and encrypting data. Select one: a. Smartcards b. CPUs c. Coprocessors d. NIC cards
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c. Coprocessors
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Frequently-accessed information is held in _______. Select one: a. hard drive b. cache memory c. flash memory d. read only memory
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b. cache memory
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With this type of memory, large programs are divided into parts and the parts are stored on a secondary device, usually a hard disk. Select one: a. Flash b. Cache c. Virtual d. Extended
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c. Virtual
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Which of the following offers a combination of the features of RAM and ROM? Select one: a. DRAM b. DDR c. Flash Memory d. Cache Memory
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c. Flash Memory
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All of the following are commonly used units of measurement to describe memory capacity, except _______. Select one: a. Megabyte (MB) b. Gigabyte (GB) c. Terabyte (TB) d. Nanobyte (NB)
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d. Nanobyte (NB)
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When you reboot your system, the computer follows startup instructions stored in this type of memory. Select one: a. DRAM b. SDRAM c. Cache d. Flash
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d. Flash
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Most personal computers allow users to expand their systems by providing these on the system board. Select one: a. Expansion slots b. Ports c. Sound cards d. Network cards
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a. Expansion slots
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Which of the following can be used to connect several devices to the system unit and are widely used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices? Select one: a. USB port b. SATA c. Parallel port d. Firewire bus
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a. USB port
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These types of ports typically provide connections to specialized devices such as camcorders and storage devices. Select one: a. FireWire b. Serial c. Parallel d. AGP
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a. FireWire
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Which of the following ports is used for connecting musical instruments to a sound card? Select one: a. MiniDP b. S/PDIF c. MIDI d. eSATA
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c. MIDI
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Which of the following ports provide high-speed connections for external hard disk drives, optical disks, and other large secondary storage devices? Select one: a. eSATA b. S/PDIF c. HDMI d. MiniDP
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a. eSATA
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Laptops and tablets use _______ that are typically located outside the system unit. Select one: a. AC adapters b. batteries c. power supply units d. MiniDc
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a. AC adapters
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The system unit, also known as the system chassis, is a container that houses most of the electronic components that make up a computer system. Select one: True False
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True
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ASCII supports Chinese and Japanese. Select one: True False
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False
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The ALU tells the rest of the computer system how to carry out a program's instructions. Select one: True False
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False
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The control unit directs the movement of electronic signals between the memory and the ALU. Select one: True False
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True
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64-bit-word computer can access 8 bytes at a time. Select one: True False
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True
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Parallel processing requires a computer to perform one complete task before beginning the next task. Select one: True False
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False
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RAM is considered temporary, or volatile, storage. Select one: True False
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True
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Virtual memory is stored on a RAM chip. Select one: True False
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False
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Read-only memory (ROM) chips have information stored in them by the manufacturer. Select one: True False
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True
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Graphics cards connect the system board to secondary storage. Select one: True False
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False
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Plug and Play has become a generic term that is associated with the ability to plug any device into a computer and have it play or work immediately. Select one: True False
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True
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The number of bits that can travel simultaneously down a bus is known as the word size. Select one: True False
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False
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A bus is a pathway for bits representing data and instructions. Select one: True False
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True
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VGA and DVI ports provide connections to monitors. Select one: True False
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True
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USB ports are used to connect keyboards, mice, printers, storage devices, and a variety of specialty devices. Select one: True False
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True
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Firewire ports are used to connect keyboards, mice, printers, and storage devices. Select one: True False
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False
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eSATA ports provide high-speed connections for external hard disk drives, optical disks, and other large secondary storage devices. Select one: True False
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True
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MiniDP ports are an audiovisual port typically used to connect large monitors. Select one: True False
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True
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HDMI ports make it possible to use a computer as a video jukebox or an HD video recorder. Select one: True False
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True
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Computers require direct current (DC) to power their electronic components and to represent data and instructions. Select one: True False
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True