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WorksheetsCPU & Storage
Total questions: 10
Worksheet time: 5mins
Part of the CPU that performs arithmetic operations and logical operations and controls the speed of those operations.
Control Unit (CU)
Arithmetic Logic Unit (ALU)
Register
Bas
Special high-speed memory area on a chip that the CPU can access quickly
cache
RAM
ROM
MEMORY
Why cache is important?
it retains data even when the power is turned off.
data is retained when the power is turned off
Cache speeds up processing.
It holds up to 4 gigabytes of data and is very convenient to transport and use
Why flash memory stick is important?
it retains data even when the power is turned off.
data is retained when the power is turned off
Cache speeds up processing.
It holds up to 4 gigabytes of data and is very convenient to transport and use
Measure of speed used for the latest generation of processors
megabyte (M, MB)
exabyte (EB)
gigabyte (G, GB)
gigahertz (GHz)
How is data represented in a computer,
Using binary system
using mnemonic code
using bytecode
using opcode
For every instruction, the control unit carries out four basic operations, known as the machine cycle. What is the activity in step 2?
catch
execute
decode
register
For every instruction, the control unit carries out four basic operations, known as the machine cycle. What is the activity in step 3?
catch
execute
decode
register
RAM (random access memory) chips temporarily
Improves disk performance and store data temporary
hold software instructions and data before and after it is processed by the CPU.
stores instructions and data that the processor is likely to use frequently.
retrieve programs from the ROM chip but cannot modify or add to those programs.
_________ is to represent letters, numbers, or special characters (such as ! or *), bits are combined into groups
megabyte
kilobyte
byte
bit
