IB Topic 2 Quiz

Organize these options into the right categories

Groups:

(a) CPU Registers

,

(b) Other CPU Components

,

(c) Non-CPU Hardware Components

,

(d) Software

• Accumulator

• MDR

• Input/Output Controllers

• Control Unit

• Applications

• Operating System

• ROM

• MAR

• RAM

• Control Bus

• ALU

• Data Bus

• Bootstrap Program

• Program Counter

• Address Bus

• System Cleanup Tools

• CIR

Label the parts of a GUI

a

b

c

Toolbar

Dialogue Box

Menu Bar

Order these quantities from smallest (left) to largest (right)

• 100 bits

• one bit

• 40 bytes

• 9 kibibytes

• 10 kilobytes

Match the following binary numbers with their hexadecimal equivalents

• 1111 1010

• 45

• 1101 1000

• FA

• 0000 0010

• D8

• 1111 0101

• 02

• 0100 0101

• F5

The output column of a NAND gate is...

The ​ (a)   of the next instruction is stored in the PC. It is then copied to the ​ (b)   . The PC then increments by 1. The address is then sent from MAR to main memory via the ​ (c)   , and the instruction is returned to the ​ (d)   via the ​ (e)   . (continues in next question) >>>

• address
• MAR
• address bus
• MDR
• data bus
• CIR
• ID
• control bus
• DDR
• Hard Drive

The instruction is copied from the MDR to the ​ (a)   , where it is decoded by the ​ (b)   . The same component then sends signals via the control bus to coordinate the other components to ​ (c)   the instruction. If it is a calculation, it will be performed by the ​ (d)   , storing the answer in the ​ (e)   .

• CIR
• control unit
• execute
• ALU
• accumulator
• index register
• analyse
• MDR
• operating system
• bootstrap instructions

Which is the best definition of "primary memory"?

• Memory that is erased when the computer powers off.

• The fastest memory available to a computer.

• Memory that is directly accessible to the CPU

• Memory that is used for long-term data storage

What is stored in cache memory?

• Web browsing history

• Data that is frequently used by the processor

• Operating system files
• Bootstrap instructions

What does an operating system do?