Quiz
2.1.2 Hardware
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Perguntas do quiz (14)
1The central processing unit (CPU) contains
- Athe processor, main memory and the cache.
- Bthe processor, secondary memory and the cache.
- Cthe processor, main storage and the cache memory.
2Main memory of RAM is used to...
- Astore programs while they are running and the data used by these programs.
- Btemporarily store programs while they are running and the files used by these programs.
- Ctemporarily store programs while they are running and the data used by these programs.
3Cache is high speed memory in the CPU that is used to store a copy of frequently used instructions and data. It is
used to...- Aimprove the performance of the CPU.
- Bimprove the performance of RAM.
- Cimprove the performance of ROM.
4Clock speed is measured in hertz or cycles per second. It represents...
- Ahow many instructions per minute the processor can execute.
- Bhow many instructions per second the processor can execute.
- Chow many bits of data per second the processor can execute.
5The fetch-execute cycle: the process by which a program is...
- Arun: instructions are stored in main memory, fetched by the processor one at a time, decoded and executed.
- Brun: instructions are stored in main memory, fetched by the processor, decoded and executed.
- Crun: instructions are stored in main memory, fetched by the processor one at a time and executed.
6Random Access Memory (RAM) is...
- Aa type of memory that is read-write and volatile. Used for main memory.
- Ba type of memory that is read-only and non-volatile. Used for main memory.
- Ca type of memory that is write only and volatile. Used for main memory.
7Read Only Memory (ROM) is...
- Avolatile memory that is hard-coded at the time of manufacture. Stores the start up programs, the boot strap-loader.
- Bnon-volatile memory that is hard-coded at the time of manufacture. Stores the start up programs, the boot strap-loader.
- Cmemory that is hard-coded at the time of manufacture. Stores all programs, the boot strap-loader.
8The bootstrap loader is the...
- Afirst program that is loaded into main memory from ROM when a computer is switched on. This will load the
operating system from main memory. - Bfirst program that is loaded into main memory from RAM when a computer is switched on. This will load the
operating system from secondary storage. - Cfirst program that is loaded into main memory from ROM when a computer is switched on. This will load the
operating system from secondary storage.
- Afirst program that is loaded into main memory from ROM when a computer is switched on. This will load the
9Volatile memory describes memory that...
- Aloses its contents when the power is turned off, e.g. RAM.
- Bloses its contents when the power is turned off, e.g. ROM.
- Cretains its contents when the power is turned off, e.g. ROM.
10Non-volatile memory describes memory that...
- Adoesn't lose its contents when the power is turned off, e.g. hard disk.
- Bdoes lose its contents when the power is turned off, e.g. hard disk.
- Cdoesn't lose its contents when the power is turned off, e.g. RAM.
11Virtual memory is...
- Apart of the hard-disk that is configured to behave like an extension to main memory (ROM).
- Bpart of the hard-disk that is configured to behave like an extension to main memory (RAM).
- Cpart of the hard-disk that is configured to replace main memory (RAM).
12Magnetic media is secondary storage such as...
- Ahard disks, tape and floppy disks.
- Bhard disks, CDs and floppy disks.
- Chard disks, DVDs and floppy disks.
13Optical media is secondary storage that is read using lasers like...
- Ahard disks, CDs and floppy disks.
- BCDs & DVDs.
- CCDs, DVDs and mini-discs.
14Solid state / flash memory are secondary storage devices that have no moving parts. It is used in...
- ACDs, DVDs & memory sticks.
- Bmemory sticks, cameras and phones.
- Cmemory sticks, cameras and DVDs.
Informações
- Descrição
- Multiple choice quiz for hardware
- Autor
- Lavington ICT
- Idioma
- English
- Visualizações
- 99
- Histórico
- Criado em 10 mai 2015 · atualizado em 13 jan 2017
- Etiquetas
- Avaliação
- 4,5 de 5 · 2 avaliações Avalie este quiz