Answer: D) TIANHE 2 --- CHINA Explanation:

Answer: B) Segmentation Explanation:

Answer: C) Over Haeat Explanation: The slot covers on a computer reduce the dust build up inside the computer. So the slot covers should be present in proper place.The missing covers can disrupt the airflow design of the case and cause overheating problems.

Answer: A) Scanner Explanation:

Answer: C) ATX Explanation: ATX (Advanced Technology extended) is a motherboard form factor uses one 20 pin connector.   ATX is developed by Intel in 1995 to improve on previous de facto standards like the AT form factor. It was the first major change in desktop computer enclosure, motherboard, and power supply design in many years, improving standardization and interchangeability of parts.

Answer: B) Read instructions Explanation: Control Unit can perform the functions Interpret instructions, Execute instructions and Direct operations. But Reading instructions is not a function of the Control Unit.

Answer: B) Firmware Explanation: The programs which are as permanent as hardware and stored in ROM are known as Firmware.   Data stored in ROM can only be modified slowly, with difficulty, or not at all, so it is mainly used to store firmware (software that is closely tied to specific hardware, and unlikely to need frequent updates) or application software in plug-in cartridges.

Answer: B) ROM and RAM Explanation: The main memory is defined as the central storage in a computer. (noun) An example of the main memory is where programs and data are kept when the processor is actively using them.   The main storage region of a computer, to which the central processor has immediate or direct access is of two kinds. They are :: RAM -- Random Access Memory ROM -- Read Only Memory.