1.	Which of the following is an example of storage devices ?
	Magnetic disk
	Tapes
	DVDs
	All of these
	Answer: All of these Explanation: All of these are examples of storage devices.
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2.	Which of the following is the storage area within the computer itself which holds data only temporarily as the computer processes instructions ?
	the hard disk
	main memory
	the control unit
	read-only memory
	Answer: main memory Explanation: Main memory, also known as Random Access Memory (RAM), is the storage area within the computer itself which holds data only temporarily as the computer processes instructions. When you turn off the computer, the data stored in main memory is lost, which is why it is sometimes referred to as volatile memory. The hard disk, on the other hand, is a type of secondary storage device that can store data permanently even when the computer is turned off. The control unit and read-only memory (ROM) are both components of the computer's CPU, and are involved in executing instructions and managing the flow of data within the computer.
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3.	Which of the following is not a storage medium ?
	Hard disk
	Flash drive
	DVD
	Monitor
	Answer: Monitor Explanation: A monitor is an output device that displays the visual output of a computer. It is not a storage medium. The other options, hard disk, flash drive, DVD, and CD are all examples of storage media that can store data or information.
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4.	A register that keeps track of the next instruction to be executed is called a/an ?
	Data Register
	Instruction Register
	Action Register
	Program Counter
	Answer: Instruction Register Explanation: A register that keeps track of the next instruction to be executed is called a Program Counter.
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5.	Which of the following is the smallest storage ?
	Megabyte
	Gigabyte
	Kilobyte
	Terabyte
	Answer: Kilobyte Explanation: Kilobyte
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6.	Magnetic tape is not practical for applications where data must be quickly recalled because tape is ?
	a random access medium
	expensive
	a read-only medium
	a sequential access medium
	Answer: a sequential access medium Explanation: The correct answer is (e) a sequential access medium.
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7.	Which of the following types of memory improves processing by acting as a temporary high-speed holding area between the memory and the CPU ?
	RAM
	ROM
	Cache memory
	Flash memory
	Answer: Cache memory Explanation: Cache memory improves processing by acting as a temporary high-speed holding area between the memory and the CPU.
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8.	Which type of memory holds only that program and data the CPU is presently processing ?
	CMOS
	ROM
	RAM
	ASCII
	Answer: RAM Explanation: RAM (Random Access Memory) is the type of memory that holds only that program and data the CPU is presently processing. RAM is a volatile memory, which means that its contents are lost when power is turned off or the computer is restarted. RAM is used by the CPU to temporarily store data and instructions that are currently being used, allowing for quick access and processing. CMOS (Complementary Metal-Oxide Semiconductor) is a type of non-volatile memory used to store basic system configuration settings. ROM (Read-Only Memory) is a type of non-volatile memory that stores data that cannot be altered, such as firmware or boot code. ASCII (American Standard Code for Information Interchange) is a character encoding standard used to represent text in computers and other devices. CDs (Compact Discs) are a type of optical storage media used to store digital data, such as music, video, or software programs.
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9.	Which of the following is a reusable optical storage device ?
	CD-ROM
	DVD-R
	Floppy Disk
	USB Flash Drive
	Answer: DVD-R Explanation: A DVD-R (Digital Versatile Disc Recordable) is an optical storage device that can be written and rewritten multiple times, making it a reusable storage option. CD-ROMs, floppy disks, and USB flash drives are also types of storage devices, but they are not typically designed to be reusable in the same way that DVD-Rs are.
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10.	What are the 3 types of optical data storage ?
	Magnetic, solid state, and flash
	CD, DVD, and Blu-ray
	Tape, HDD, and SSD
	None of the above
	Answer: CD, DVD, and Blu-ray Explanation: CD, DVD, and Blu-ray
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