Tuesday, December 1, 2015

IT Officer Study Materials: One Liners (Part-4) Download PDF

  1. The physical layer is concerned with transmission of bits over the physical medium
  2. A modem performs modulation, demodulation, data compression
  3. A processor needs software interrupt to obtain system services which need execution of privileged instructions
  4. FORMAT command in MS-DOS is used for recreating disk information
  5. DOS floppy disk does not have a boot record
  6. The unit in CPU or processor, which performs arithmetic and logical operations is ALU
  7. Normal is not a type of HTML pages
  8. Validity routines control procedures can be used to ensure completeness of data
  9. Computer-Aided design: Refers to any computer-enabled method of design also called computer-assisted design.
  10. Node to node delivery of the data unit is the responsibility of the data link layer
  11. In a network with 25 computers, mesh topology would require the most extensive cabling
  12. The key fields which are tested by a packet filtering firewall are source IP address, TCP/UDP source port, destination IP address
  13. Running, blocked, ready, terminated are different states of a process
  14. Programs that extend the capabilities of a server are C41 scripts
  15. In computer technology, a compiler means a program, which translates source program into object program
  16. Protocol conversion can be handled by gateway
  17. Ring requires a central controller or hub
  18. Modem is a modulator-demodulator system
  19. The ability to find an individual item in a file immediately direct access is used.
  20. “FIFO” stands for first in first out
  21. Co-axial cables provide data rates over 50 Mbps
  22. FORTRAN is a mathematically oriented languages used for scientific problems
  23. The print to file option creates .prn file
  24. Under a centralized organization, Intranet is an effective networking tool.
  25. The sector size of a floppy disk varies from 128 bytes to 1024 bytes
  26. Stack is an LIFO structure
  27. A device operating at the physical layer is called a repeater
  28. Overflow condition in linked list may occur when attempting to create a node when linked list is empty
  29. BIOS of MS-DOS resides in ROM
  30. Rational rose is an example of a modeling language
  31. Edge-triggered D flip –flop memory elements uses a PC circuit at its input
  32. Interpreter is a translator which translates high-level language program into a machine language program
  33. RLL refers to run length limits
  34. In HTML loading, <BR> tag is used for displaying a new line
  35. A variable for which memory is allocated at block entry and deallocated at block exit is called a static variable
  36. Binary numbers are positional numbers
  37. Virtual memory is memory on the hard disk that the CPU uses as an extended RAM
  38. The body of the recursive function contains a statement that causes the same function to execute before completing the last call
  39. Information travels between components on the motherboard through buses
  40. When data changes in multiple lists and list are not updated, this causes data inconsistency
  41. In MS-EXCEL 2010 the no of rows 1048576, no of columns are 16384
  42. Heat sink is the metal device that draws heat away from an electronic device
  43. A T.V. broadcast is an example of simplex transmission
  44. The shortest path in routing can refer to the least expensive path
  45. Syntax errors are flagged by compilers
  46. The bus is simple series of connection that carry common signals
  47. The code that relational database management systems use to perform their database task is referred to as SQL
  48. When you boot up a PC — portions of the operating system are copied from disk into memory
  49. In UNIX, end-of-file is indicated by typing CTRL-D
  50. The first character in the ASCII character set is the null character, which is nonprintable

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