Sunday, June 27, 2010

IT Fundamental - X

1. On the motherboard (the) … is the temporary computer memory area in which data can be stored.
a. expansion slot
b. math co-processor
c. RAM
d. ROM BIOS

2. The device used in a data communication network to perform the conversion between analogue and digital signals, is called a …
a. front end processor.
b. modem.
c. decoder.
d. multiplexer.

3.If you look carefully at the motherboard, you will notice that some chips are soldered to the board whilst others are plugged into the board. The removable chips allow you to ...
a. add extra power sources to your computer.
b. integrate the ALU and the system clock unit.
c. re-arrange the layout of your motherboard.
d. upgrade your computer components.

4. The Internet offers different services. Which one listed below is incorrect?
a. Chat room
b. Electronic mail
c. Off line shopping
d. World Wide Web

5. The Internet is ...
a. a global network of computers networks.
b. a government-owned agency that links computers.
c. software for sending e-mail around the world.
d. a specialised form of local area network.

6. The CPU deals with each instruction in a cycle. The sequence of instructions to carry out one machine instruction is called the instruction or machine cycle. The first action is to fetch the instruction from memory and then the program counter is updated (reset). The other three phases of the machine cycle in the correct order are:
a. Decode the instruction; Execute the instruction; Transfer the data.
b. Decode the instruction; Transfer the data; Execute the instruction.
c. Execute the instruction; Decode the instruction; Transfer the data.
d. Transfer the data; Execute the instruction; Decode the instruction.

7. When the electrical power is disrupted or cut off, data and programs are lost in/on (the) ...
a. basic tools.
b. hard disk.
c. memory.
d. secondary storage.

8. The communication bus which is used to fetch the address of an instruction from memory is called the …
a. address bus.
b. control bus.
c. data bus.
d. fetch bus.

9. Read Only Memory (ROM)
i. Is volatile
ii. Is programmable
iii. Is mounted on the mother board
iv. Contains the bootstrap loader
a. i and iii
b. i, ii and iv
c. ii, iii and iv
d. iii and iv

10. An online meeting allows users to ...
a. determine the receiver's geographic location.
b. leave voice messages for one or two people.
c. print to a web address that is associated to a particular printer.
d. share documents with others in real time.

Friday, June 18, 2010

Software Engg. - III

1) Business model is the part of designing phase of software engineering development life cycle
a. True
b. False

2) The state transition diagram
a. depicts relationships between data objects
b. depicts functions that transform the data flow
c. indicates how data are transformed by the system
d. indicates system reactions to external events

3) The best way to conduct a requirements validation review is to
a. Examine the system
b. Have the customer look over the requirements
c. Send them to the design team
d. Use checklist to examine the questions

4) The system specification describes the
a. Function, performance and constraints of a computer-based system
b. implementation of each allocated system
c. time required for simulation
d. element software architecture

5) For each of the following given Requirement indicate whether it is Functional (F) or Non-Functional (N) Requirement.
a. The System should be designed so it can later be extended to a Blue Line
reservation System.(N)
b. The System will allow the user to view the layout of seats in Bus.(F)
c. The System must be available at all times.(N)
d. A given seat can be assigned to only one person.(F)

6)Both the software engineer and customer take an active role in software requirements engineering-a set of activities that is often referred to as Requirement_______________
a. Managing
b. Recognition
c. Analysis
d. Modeling

7)_________ is a measure of independence of a module or component.
a. Cohesion
b. Coupling
c. Loop coupling
d. Loop cohesion

8) In the Functional design, the structure of the system revolves around __________
a. Functions
b. Sequences
c. Models
d. Flows

9)Use case is the part of designing phase of software engineering
a. True
b. False

10) Three categories of risks are
a. Business, personnel risks, budget risks
b. project risks, technical risks, business risks
c. planning risks, technical risks, personnel risks
d. management risks, technical risks, design risks

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