Information Technology and Cyber Law 3

കമ്പ്യൂട്ടർ മെമ്മറിയുമായി ബന്ധപ്പെട്ട കൂടുതൽ ചോദ്യങ്ങളാണ് ഇന്നത്തെ പാഠത്തിൽ ഉൾപ്പെടുത്തിയിരിക്കുന്നത്

• Data on optical disc is stored in the form of

                 Light and dark pits

• Storage capacity of a standard CD (Compact Disc)

                 650-750 MB

• Diameter of a standard CD

                 12 cm

• DVD stands for

                 Digital Versatile Disc

• Storage capacity of a standard DVD

                 4.7 GB

• Optical disc having higrs storage capacity

                 Blu-ray Disc

• Storage capacity of a standard single layer Blu-ray disc

                 25 GB

• Technology used in CD

                 LASER

• LASER stands for

                 Light Amplification by Stimulated Emission of Radiation

• LASER was discovered by

                 Theodore Maiman

• Property of a compter to perform multiple programs at a time 

                 Multitasking

• Computer architecture where a single physical processor contains the logic of two or more processors in one single integrated circuit

                 Multi core technology

• Two processors on one single integrated circuit is called

                 Dual core technology

• Data storage devices that read their data in a sequence are called

                 SASD (Sequential Access Storage Devices)

• Examples of SASD devices

                 Magnetic tapes

• Data storage devices that read their data in any order is called

                 DASD (Direct Access Storage Devices)

• Examples of DASD devices

                 Hard disk, Pen drive, CD, DVD

• Non volatile computer storage chip made up of EEPROM

                 Flash memory

• Examples of Flash memory storage devices

                 USB Flash drive, Memory cards

• BIOS is stored in

                 Flash memory Chip

• On board, battery powered semiconductor chip inside the computer that stores information

                 CMOS (Complementary Metal Oxide Semiconductor)

• Imaginary memory that supported by some Operating Systems

                 Virtual memory

• Process of translating virtual address to Physical address is known as 

                 Mapping

• Time required to reach a particular storage location and obtain its contents is called

                 Access Time

• Time between initiating a request in the computer and receiving the answer

                 Latency Time

• The smallest unit of memory is

                 Bit (Binary Digit)

• The speed of a hard disc is measured in

                 Revolutions Per Minute (RPM)

• Memory of a computer is measured in

                 Bytes

• Storage capacity of a hard disc is measured in

                 Gigabytes, Terabytes

• Value of a bit is 

                 One or Zero

• Half byte is known as 

                 Nibble

• One Nibble is

                 4 Bits

• One Byte is

                 8 Bits

• One KB (Kilo Bytes) is

                 1024 Bytes

• One MB (Mega Bytes) is

                 1024 KBytes (1 million bytes)

• One GB (Gega Bytes) is

                 1024 MBytes (1 billion bytes)

• One TB (Tera Bytes) is

                 1024 GBytes (1 Trillion bytes)

• Set of wires that used to transfer the address of specific memory location is

                 Address bus

• Set of wires that provide transportation of data is

                 Data bus

• Bus that connects CPU to RAM on the motherboard is known as

                 System bus

• Bus that transmit signals to control the operation of various units of a computer is called

                 Control bus

• Serially interconnected group of highspeed memory cells inside CPU is called

                 Register

• Storage area in RAM where data is stored for a short amount of time

                 Buffer

• Unique identification of a location in memory is called

                 Address

• Memory which has the shortest access time

                 Cache Memory
                                                                          (To be Continued...)