To answer this question, let's go through each option to determine which one is not a type of motherboard expansion slot:

Option A) ISA - This option is a type of motherboard expansion slot. It stands for Industry Standard Architecture and was commonly used in older computer systems. Option B) PCI - This option is a type of motherboard expansion slot. It stands for Peripheral Component Interconnect and is widely used in modern computers for connecting various devices. Option C) AGP - This option is a type of motherboard expansion slot. It stands for Accelerated Graphics Port and was specifically designed for connecting graphics cards. Option D) ATX - This option is not a type of motherboard expansion slot. ATX stands for Advanced Technology Extended and refers to a form factor or specification for the design of the motherboard itself, rather than a specific expansion slot.

Therefore, the correct answer is D. ATX is not a type of motherboard expansion slot.

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To answer this question, you need to understand the concept of IRQ (Interrupt Request) and its association with the system timer.

IRQ is a signal that is sent to the processor to request its attention. It is used to handle various events and devices in a computer system. Each IRQ is associated with a specific hardware device or event.

The system timer is responsible for keeping track of time and generating periodic interrupts. It is commonly associated with IRQ 0.

Now, let's go through each option to understand why it is correct or incorrect:

Option A) 0 - This option is correct because the system timer commonly uses IRQ 0. This IRQ is reserved for the system timer.

Option B) 1 - This option is incorrect. IRQ 1 is commonly associated with the keyboard controller.

Option C) 5 - This option is incorrect. IRQ 5 is commonly associated with the sound card.

Option D) 10 - This option is incorrect. IRQ 10 is commonly associated with the secondary ATA (Advanced Technology Attachment) controller.

The correct answer is A) 0. This option is correct because the system timer commonly uses IRQ 0.

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To answer this question, you need to understand the different types of RAM and identify which option is not a type of RAM.

Let's go through each option to understand why it is correct or incorrect:

Option A) SIMM - This option is a type of RAM. SIMM stands for Single Inline Memory Module and was a common type of memory module used in older computers.

Option B) DIMM - This option is also a type of RAM. DIMM stands for Dual Inline Memory Module and is the most common type of memory module used in modern computers.

Option C) ROM - This option is NOT a type of RAM. ROM stands for Read-Only Memory and is a type of non-volatile memory that stores permanent data and instructions. Unlike RAM, ROM cannot be written to or modified.

Option D) SLIPP - This option is not a recognized type of RAM. It is likely a made-up term or a typo.

The correct answer is C) ROM. This option is not a type of RAM because ROM is a separate category of memory that serves a different purpose.

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