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O Level

Exam Description: O Level Paper-M1
Total Questions : 35
Exam Duration: 30 minutes

Question # 1: which technique is used to improve the work-capacity of hard disk?
- A. disk caching
- B. raid
- C. file compression and decompression
- D. all the above
Correct Answer: all the above
Question # 2: which of the following is an optical storage device?
- A. hard disk
- B. flash memory cards
- C. DVD
- D. usb drive
Correct Answer: DVD
Question # 3: -------------------------- is a non-volatile memory.
- A. sram
- B. dram
- C. rom
- D. none of the above
Correct Answer: rom
Question # 4: Which of the following is the primary memory
- A. RAM
- B. ROM
- C. Floppy
- D. Hard Disk
Correct Answer: RAM
Question # 5: memory of a system is measured in:
- A. mhz, ghz
- B. kms/sec
- C. mb, gb, tb
- D. all of the above
Correct Answer: mb, gb, tb
Question # 6: a cd, dvd, pen drive are examples of:
- A. computing device
- B. storage device
- C. both (A) and (B)
- D. none of the above
Correct Answer: storage device
Question # 7: A DVD is an example of:
- A. Computing device
- B. Storage device
- C. Both (A) and (B)
- D. None of the above
Correct Answer: Storage device
Question # 8: Which is an example of optical disk ?
- A. Hard Disk
- B. ROM
- C. RAM
- D. CD-R
Correct Answer: ROM
Question # 9: which of the following is closely related to locality of reference ?
- A. hard drive
- B. cache memory
- C. cd-rw
- D. joystick
Correct Answer: cache memory
Question # 10: the principle of locality of reference justifies the use of :
- A. non reusable
- B. semaphore
- C. hard disk
- D. cache memory
Correct Answer: cache memory
Question # 11: which of the following is correct?
- A. 1kb=1024 bytes
- B. 1mb=2048 bytes
- C. 1mb=1000 kilobytes
- D. 1kb=1000 bytes
Correct Answer: 1kb=1024 bytes
Question # 12: The following is a non-volatile memory?
- A. ROM
- B. RAM
- C. LSI
- D. VLSI
Correct Answer: ROM
Question # 13: the principle of locality of reference justifies the use of:
- A. re-enterable
- B. non reusable
- C. virtual memory
- D. cache memory
Correct Answer: cache memory
Question # 14: in hard disk, the track 0 is:
- A. the outermost
- B. the innermost
- C. totally dependent on machine
- D. none of these
Correct Answer: the outermost
Question # 15: The concentric circles on a magnetic disk are called:
- A. Sectors
- B. Cylinders
- C. Tracks
- D. Surfaces
Correct Answer: Tracks
Question # 16: a hard disk is divided into tracks which are further subdivided into:
- A. clusters
- B. sectors
- C. vectors
- D. heads
Correct Answer: sectors
Question # 17: ________________ is a service model in which data is maintained, managed and backed up remotely and made available to users over a network
- A. Firewall
- B. Fibre optics
- C. Lifi
- D. cloud storage
Correct Answer: cloud storage
Question # 18: Advantage(s) of cache memory
- A. Cache memory is faster than the main memory
- B. It stores data for temporary use.
- C. Cache memory has limited capacity
- D. It stores the program that can be stored within a short period of time
Correct Answer: Cache memory is faster than the main memory
Question # 19: What is the name given to a part of circle on which data is written in a storage media?
- A. Track
- B. Sector
- C. Cylinder
- D. Spiral
Correct Answer: Sector
Question # 20: in which of the following form, data is stored in computer?
- A. decimal
- B. binary
- C. hexadecimal
- D. octal
Correct Answer: binary
Question # 21: Which memory is used to store most frequently accessed information from the RAM?
- A. Cache Memory
- B. Main Memory
- C. Register
- D. ROM
Correct Answer: Cache Memory
Question # 22: RFID stands for:
- A. Radio frequency identification
- B. Red frequency identification
- C. Regular frequency identification
- D. None of the above
Correct Answer: Radio frequency identification
Question # 23: which of the following belongs to electro-magnetic disk?
- A. floppy disk
- B. hard disk
- C. blu ray disk
- D. both (A) and (B)
Correct Answer: both (A) and (B)
Question # 24: an intelligent robot:
- A. responds to the changes in its environment.
- B. follows instrucation mindlessly.
- C. possesses no more intelligence than a dishwasher.
- D. does all of the above.
Correct Answer: responds to the changes in its environment.
Question # 25: a collection of 8 bytes is called-
- A. bit
- B. record
- C. nibble
- D. none of the above
Correct Answer: none of the above
Question # 26: What is the full form of BIOS ?
- A. Binary input output system
- B. Basic input output system
- C. Binary 1 O system
- D. Basic 1O system
Correct Answer: Basic input output system
Question # 27: the following is not the type of rom-
- A. prom
- B. erom
- C. flash memory
- D. none of the above
Correct Answer: none of the above
Question # 28: one mega byte is equal to?
- A. 1024 bytes
- B. 1024 kilo bytes
- C. 1024 giga bits
- D. 1024 bits
Correct Answer: 1024 kilo bytes
Question # 29: deleted data remains on a disk until:
- A. the data is not overwritten
- B. the disk is not scanned
- C. the recycle bin is not emptied
- D. a file compression utility is not used
Correct Answer: the data is not overwritten
Question # 30: in terms of computer storage, which of the following is the largest unit of measurement?
- A. byte
- B. kilobyte (kb)
- C. megabyte (mb)
- D. gigabyte (gb)
Correct Answer: gigabyte (gb)
Question # 31: which one of the following is not a secondary storage device?
- A. pen drive
- B. hard disk
- C. ram
- D. magnetic tape
Correct Answer: ram
Question # 32: Which of the following is NOT a characteristic of Pen Drive?
- A. It is portable device.
- B. It is connected through USB port.
- C. It is an example of optical Drive.
- D. It is very easy to disconnect and carry anywhere safely.
Correct Answer: It is an example of optical Drive.
Question # 33: 1 GB is equal to:
- A. 230 bits
- B. 230 bytes
- C. 230 bits
- D. 220 bytes
Correct Answer: 230 bytes
Question # 34: The process of copying a file into CD \DVD often called as :
- A. Storing
- B. Burning
- C. Pasting
- D. Cutting
Correct Answer: Pasting
Question # 35: memory which offers a combination of features of ram and rom is called .
- A. dimm
- B. flash memory
- C. solid state memory disks
- D. none of these
Correct Answer: flash memory