IT for Management-1A


IT for Management Amity Solved Assignments

Q1: List out the similarities and differences between 7 bit and 8 bit ASCII?
Q2: How do caches help improve performance? Why do systems not use more or larger caches if they are so useful?
Q3: Describe what is meant by “interrupts” in a microprocessor system and explain why it would be used?
Q4: The basic function of an operating system is to provide an interface of the system and the user. Elaborate this statement with examples from any Operating System you are familiar with.
Q5a): Define Software packages, give 10 examples of Software packages.
Q5b): Explain the various types of storage systems in computers.
Q6: Discuss different types of communication networks, based on the data transfer and control technique
Q7a): What are the names and functions of the main parts of the system unit?
Q7b) Convert the following numbers into desired form:
(a.) (35)16 = (?) 2 (b.) (43)16 = (?)2
(c.) (35)16 = (?) 10 (d.) (45)10 = (?)2
(e.) (77)8 = (?) 2 (f.) (00011000)2 = (?)8
Q8: What are the five generations of programming languages? Give examples of each generation. What is the main use of third generation languages?

Objective Type

Q1. Which of the following is not to be used for data handling in transaction system?
a) A data bus
b) A data Wire
c) Virtual Memory
d) A database

Q2. In UNIX operating system file organization
a) Is a simple byte sequence
b) Is free of disk blocks each holding a n keyed records
c) Is a sequence of fixed size records
d) None

Q3. Which one is true of the cache memory?
a) It is placed between main memory and CPU.
b) It is placed between control unit and ALU
c) It is placed between Hard Disk and Main Memory
d) It is placed between main memory and read only memory

Q4. In network data model, which of the following data structure is used?
a) Tree
b) Graph
c) Table
d) NJone

Q5. Which of the following is not a type of operating system?
a) Batch operating system
b) Resident monitor
c) Serial operating system
d) None

Q6. The three parts of a CPU are–
a) ALU, control & memory
b) ALU, Memory & chip
c) Chip, Disk Drive & peripherals
d) Control, Disk Drive & Peripherals

e) Q7. Which of the following is a multitasking, multiuser, multiprocessing network operating system?
f) Windows 3.1
g) Windows 95
h) Windows NT
i) DOS

Q8. A kilobyte is equal to approximately–
a) 1000 bytes
b) 10,000 bytes
c) 1 billion bytes
d) 1 million bytes

Q9. The only language which is machine specific and which a computer understands directly is called–
a) 1000 bytes
b) 10,000 bytes
c) 1 billion bytes
d) 1 million bytes

Q10. Low Level computer language use–
a) English words
b) Mnemonics codes
c) Limited grammar
d) Mathematical symbols

Q11. What is the name given to an entire programme written in a high level language and converts it into machine language code is–
a) Assembler
b) Transistor
c) Compiler
d) System software

Q12. Instructions for execution by a computer are given in________ language.
a) Symbolic
b) Basic
c) Machine
d) Compiler

Q13. The hardware in which data may be stored for a computer system is called
a) Register
b) Memory
c) Chip
d) Peripheral

Q14. An instruction that can be recognized and used without translation must be written in
b) Machine code
c) Assembly code
d) Source code

Q15. A bit is–
a) A single digit
b) Computer data which is represented in binary form
c) Combination of pulses
d) None

Q16. Which of the following has Magnetic disk as driving factor for new trends in OS design?
a) New H/W
b) New S/W
c) New Application
d) New Computing Paradigm

Q17. Magnetic disk may be–
a) Fixed head
b) Moveable head
c) 1 & 2
d) None

Q18. Which of the following memory access modes is the fastest?
a) Random
b) Sequential
c) Cyclic
d) All the above

Q19. First generation of computer had–
a) Transistor
b) Valves
c) ICs
d) SSI

Q20. A 32 bit machine refers to–
a) Word length of a machine
b) Size of main memory
c) Size of cache
d) Size of ROM

Q21. The Von Newman model refers to–
a) One control unit and Multiple ALUs
b) Multiple control units and a single ALU
c) Multiple CPUs and Multiple memory units.
d) A single CPU and a Single memory device.

Q22. The measure of productivity for programmer is–
b) LOC

Q23. Which of the following is the application of internet?
c) Remote login

Q24. Number of sectors per track is between in the range of–
a) 4 to 32
b) 32 to 256
c) 256 to 2048

Q25. The set of wires, connecting the microprocessor & the memory, through which the data flows is called–
a) A data bus
b) A data Wire
c) 256 to 2048
d) Virtual Memory

Q26. Which of the following is not application software?
a) Word processing
b) Operating system
c) Desktop publishing
d) None

Q27. Which of the following can be used as Primary Memory?
a) Cartridge tape
b) Hard Disk
c) Optical Disk
d) None

Q28. COMPARE is a / an-
a) Arithmetic function of the ALU
b) Logical function of ALU
c) Input-Output function of the CPU
d) None

Q29. Peripherals’ are–
a) A part of CPU
b) Output devices alone
c) Input devices alone
d) Input, Output and secondary Storage devices

Q30. The movement of the read/write head of a floppy is
a) Circumferential
b) Radial
c) Rotary
d) None

Q31. Data is stored on computer media in–
a) the form of electrical signals
b) a magnetic code of 1’s and 0’s
c) Morse code
d) None

Q32. MODEM is used while communicating in–
a) LAN
b) WAN
d) None

Q33. A combination of eight 0’s and 1’s or binary digits is referred to as a–
a) Byte
b) BIT
c) Character
d) None

Q34. Loading Operating system onto RAM is called–
a) Saving
b) Opening
c) Printing
d) Booting

Q35. Memory Address Register (MAR)–
a) Contains the data to be written in the memory or it receives the data from the memory
b) Keep the track of the instruction which is to be executed next
c) Specifies the address of memory location from which data or instruction is to be accessed
d) Loads the instruction before their execution

Q36. Number of sectors per track is between in the range of–
a) 4 to 32
b) 32 to 256
c) 256 to 2048
d) None of the above

Q37. Which two are examples of analog data?
a) Light from a switched electric light
b) Sound from radio
c) Sound from Television
d) A sign wave

Q38. Size of a sector is generally–
a) 64 bytes
b) 128 bytes
c) 256 bytes
d) 512 bytes

Q39. Synchronous and Asynchronous are types of–
a) Analog circuit
b) Sequential circuit
c) Combination circuit
d) None of the above

Q40. System bus is divided into–
a) Data bus, instruction bus address bus
b) Data bus, control bus, instruction bus
c) Instruction bus, control bus, address bus
d) Data bus, address bus, control bus