4514641
Descripción
Test por Zoe Cayetano, actualizado hace más de 1 año
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Creado por Zoe Cayetano
hace casi 9 años
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Pregunta 1
Pregunta
When a program runs on a computer, the part of the computer that carries out the instructions is called the [blank_start]central processing unit[blank_end].
Respuesta
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central processing unit
Pregunta 2
Pregunta
When a program runs on a computer, it is stored in the [blank_start]main memory[blank_end].
Respuesta
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main memory
Pregunta 3
Pregunta
Monitors, printers, and status lights are all examples of [blank_start]output[blank_end] devices.
Respuesta
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output
Pregunta 4
Pregunta
Mice, trackpads, keyboards, scanners, and joysticks are all examples of [blank_start]input[blank_end] devices.
Respuesta
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input
Pregunta 5
Pregunta
When a program is not running, it is stored in a/an [blank_start]secondary storage[blank_end].
Respuesta
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secondary storage
Pregunta 6
Pregunta
Flash drives, CDs, and external disks are all examples of [blank_start]secondary[blank_end] storage (memory) devices.
Respuesta
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secondary
Pregunta 7
Pregunta
At each step of its operation, the input to a central processing unit is a/an [blank_start]instruction[blank_end].
Respuesta
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instruction
Pregunta 8
Pregunta
A [blank_start]bit[blank_end] is a binary digit, like 0 or 1.
Respuesta
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bit
Pregunta 9
Pregunta
A byte in memory is identified by a unique number called its [blank_start]address[blank_end].
Respuesta
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address
Pregunta 10
Pregunta
In modern computer systems, a byte consists of [blank_start]8[blank_end] bits.
Respuesta
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8
Pregunta 11
Pregunta
RAM, random-access memory, is called that because
Respuesta
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it is optimized for random number processing.
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accesses are randomized to prevent clogging the control lines.
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you can pick any two random locations and it will take the same time to access the data.
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when power is turned off, its contents are lost and replaced by random bits.
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none of the above.
Pregunta 12
Pregunta
When a program is not running, it is stored
Respuesta
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on a disk.
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in a level-2 cache (L2).
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in main memory.
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on the ethernet or wifi.
Pregunta 13
Pregunta
An operating system
Respuesta
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is the chief hardware unit in a computer.
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is loaded into the computer each time it needs to carry out an operation.
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ensures that programs will not run on the computer at the same time.
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allocates resources like memory to programs that are running.
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all of the above.
Pregunta 14
Pregunta
What best defines a "programming language"?
Respuesta
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It allows us to control a computer.
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It allows us to make a calculation.
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It allows us to execute a program.
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It allows us to express an algorithm.
Pregunta 15
Pregunta
Which of these is not a programming language?
Respuesta
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C
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C++
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HTML
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Java
Pregunta 16
Pregunta
Which of the following is not true?
Respuesta
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An algorithm allows ambiguity.
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An algorithm, when carried out, must eventually stop.
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An algorithm can be carried out by a human being.
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