j276 - 1.1

Processors have a speed measured in (1-4)

• Hertz
• Bits
• Bytes
• Seconds

Data and Instructions in use are stored in the: (1-4)

• Processor
• Embedded System
• Hard Disk Drive
• Main Memory

Typical processor speed of 2016: (1-4)

• 16Hz
• 100MHz
• 4GHz
• 300GHz

What doesn't affect the performance of the computer (1-4)

• Clock Speed
• Number of Cores
• Cache Size
• The number of instructions in the program

If the number of cores goes up from 2 to 4 - what is the exact effect on performance? (1-4)

• Performance decreases
• The maximum number of instructions executed per second doubles
• The maximum number of instructions executed per second quadruples
• The maximum number of instructions executed per second is halved

If the processing speed goes up from 1GHZ to 4GHZ - what is the exact effect on the performance of the computer? (1-4)

• The maximum number of instructions executed per second doubles
• The maximum number of instructions executed per second quadruples
• The maximum number of instructions executed per second is halved
• The maximum number of instructions executed per second is quartered

If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 2 to 4 - what is the exact effect on the performance of the computer? (5-6)

• The maximum number of instructions executed per second doubles
• The maximum number of instructions executed per second quadruples
• The maximum number of instructions executed per second is halved
• The maximum number of instructions executed per second is quartered

If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor - what is the exact effect on the performance of the computer? (5-6)

• The number of instructions executed per second doubles
• The number of instructions executed per second quadruples
• The number of instructions executed per second is halved
• The number of instructions executed per second stays the same

Firmware in which software and hardware are integrated on a circuit board is often used in what type of system? (5-6)

• Desktop System
• Embedded System
• Operating System
• Point of Sales System

Which is an example of an Embedded System: (1-4)

• Laptops
• Tablets
• PCs
• Washing Machine