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WorksheetsY9 Assessment 5 Revision Quiz
Total questions: 28
Worksheet time: 14mins
Where is data stored when it is Virtual Memory?
On a secondary storage device e.g. hard disk drive.
On the RAM.
On the ROM.
On an optical device e.g. CD.
Why is Virtual Memory needed in a computer system?
It is used as a fast type of memory for programs currently in use to speed up the performance of a computer.
When RAM gets full, instead of closing programs the Operating system uses virtual memory to store some data.
Typically has the largest storage capacity and is the cheapest per Gigabyte.
Magnetic storage
Solid state storage
Optical storage
Which of the following is most commonly found in PCs?
Solid State Storage
Magnetic Storage
Cloud Storage
Optical Storage
True or False, Embedded Systems use Microprocessors to control specific functions relating to the device they are installed on?
True
False
True or False, all embedded systems need an operating system to enable them to function correctly?
True
False
Which is a disadvantage of an embedded system?
As it is written for specific hardware it often uses low energy consumption.
Smaller in size.
Difficult to program and requires specialist knowledge.
A General Purpose Computer.. pick 3
is easy to reprogram
is difficult to reprogram
uses specialist input/output hardware
can use a standard usb mouse
can carry out a wide range of functions
The CPU fetches instructions from.... and executes those instructions.
Memory
ALU
ROM
Input Device
The ALU is found inside the CPU True or False?
True
False
The acronym CPU stands for
Common processing unit
Central procedures unit
Central processing unit
Common procedures unit
Information used by the CPU is loaded first in
ROM
RAM
CMOS
Register
Either stores the address from which data will be fetched from the CPU, or the address to which data will be sent and stored.
MAR (Memory Address Register)
MDR (Memory Data Register)
CIR (Current Instruction Register)
PC (Program Counter)
ALU (Arithmetic and Logic Unit)
This register contains the address (location) of the instruction being executed at the current time
MAR (Memory Address Register)
MDR (Memory Data Register)
CIR (Current Instruction Register)
PC (Program Counter)
ALU (Arithmetic and Logic Unit)
