Computer Essentials 5 – Flashcards
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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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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.
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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 core—an operation called _______.
Select one:
a. arithmetic-logic processing
b. multiplexer processing
c. parallel processing
d. graphics coprocessing
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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)
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
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
answer
True
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ASCII supports Chinese and Japanese.
Select one:
True
False
answer
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
answer
False
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The control unit directs the movement of electronic signals between the memory and the ALU.
Select one:
True
False
answer
True
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64-bit-word computer can access 8 bytes at a time.
Select one:
True
False
answer
True
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Parallel processing requires a computer to perform one complete task before beginning the next task.
Select one:
True
False
answer
False
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RAM is considered temporary, or volatile, storage.
Select one:
True
False
answer
True
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Virtual memory is stored on a RAM chip.
Select one:
True
False
answer
False
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Read-only memory (ROM) chips have information stored in them by the manufacturer.
Select one:
True
False
answer
True
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Graphics cards connect the system board to secondary storage.
Select one:
True
False
answer
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
answer
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
answer
False
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A bus is a pathway for bits representing data and instructions.
Select one:
True
False
answer
True
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VGA and DVI ports provide connections to monitors.
Select one:
True
False
answer
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
answer
True
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Firewire ports are used to connect keyboards, mice, printers, and storage devices.
Select one:
True
False
answer
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
answer
True
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MiniDP ports are an audiovisual port typically used to connect large monitors.
Select one:
True
False
answer
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
answer
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
answer
True