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solution of Phy301 3rd assginment fall 2009



















































Midterm Of Cs101 Introduction to Computing

Solved Midterm of CS101 Introduction to Computing

MIDTERM EXAMINATION


CS101- Introduction to Computing

Question No: 1 ( Marks: 1 ) - Please choose one

_______ consists of cells arranged in rows & columns

Spreadsheets Software

Word processor

Presentation Software

Microsoft Paint Software

Question No: 2 ( Marks: 1 ) - Please choose one

_________ manages the HW and SW resources ( memory, disk drives etc) of the computer system, often invisibly.

Explorer.exe

System Files

Operating System

Application Software

Question No: 3 ( Marks: 1 ) - Please choose one

Forms can be submitted through _______ & _______ methods

INCLUDE, POST

INCLUDE, GET

GET, POST

SEND, POST

Question No: 4 ( Marks: 1 ) - Please choose one

To display a checkbox on the web page, we use ___ tag

CHECKBOX

CHECK

INPUT

INPUTBOX

Question No: 5 ( Marks: 1 ) - Please choose one

You can ________ from/to a website containing interactive forms.

Only read

Only write

Read and write

Not read and write

Question No: 6 ( Marks: 1 ) - Please choose one

There is a battery on the motherboard to:

Give power to the processor

Save information when computer is off

Save information when computer is on

Give power to the motherboard

Question No: 7 ( Marks: 1 ) - Please choose one

We can change the background color in HTML, using ___ attribute of

background

bgcolor

backcolor

backgroundcolor

Question No: 8 ( Marks: 1 ) - Please choose one

___ contains the name of the protocol required to access the resource, a domain name that identifies a specific computer on the internet and a pathname on the computer

HTML

HTTP

URL

WWW

Question No: 9 ( Marks: 1 ) - Please choose one

______ is a client program that uses HTTP to make requests to Web servers throughout the internet on behalf of the user.

Web Application

Web Browser

Internet Application

HTML

Question No: 10 ( Marks: 1 ) - Please choose one

WWW stands for:

Wide World Web

World Wide Web

World White Web

World Web Wide

Question No: 11 ( Marks: 1 ) - Please choose one

The weaknesses of the computer are:

Pattern recognition & Storage

Speed & Innovative ideas

Pattern recognition & Innovative ideas

Speed & Storage

Question No: 12 ( Marks: 1 ) - Please choose one

Floating point unit is also known as _________ unit

Real

Integer

Numeric

Fractional

Question No: 13 ( Marks: 1 ) - Please choose one

Programs that reside on Web servers and receive info that a user enters in a form, are known as:

Server-Side Scripts

Client-Side Scripts

Super Scripts

Form Scripts

Question No: 14 ( Marks: 1 ) - Please choose one

------------ is volatile memory

RAM

ROM

Hard Disk

CD ROM

Question No: 15 ( Marks: 1 ) - Please choose one

What will be the result of the following formula in Spreadsheet application ?

SUM(A2:A3) =_________(Assume that A2 = 25 A3 = 75)

25

50

75

100

Question No: 16 ( Marks: 1 ) - Please choose one

VisiCalc was the first popular _______application on PC’s.

Spreadsheet

Word processor

Presentation

Database

Question No: 17 ( Marks: 1 ) - Please choose one

____________ is a system software that converts the source code written in high level language into machine language code.

Utilities

Drivers

Language Translator

None of the these

Question No: 18 ( Marks: 1 ) - Please choose one

What happens if I start a new list without closing the original one?

An error will be generated

A nested list will be created

Previous list will end and a new will start.

Nothing will happen

Question No: 19 ( Marks: 1 ) - Please choose one

__________ is a program that executes instructions line by line written in a high-level language.

Interpreter

Compiler

Predictor

Executor

Question No: 20 ( Marks: 1 ) - Please choose one

There are_________________ rules to write the Pseudo Code.

Standard

No standard

Strict

Pre-defined

Question No: 21 ( Marks: 1 ) - Please choose one

Which one is not the building block of an algorithm?

Statements

Sequences

Repetitions

Conditionals

Question No: 22 ( Marks: 1 ) - Please choose one

In flow charts, there is only one entry point in conditions while there is/are__________ exit points.

1

2

3

4

Question No: 23 ( Marks: 1 ) - Please choose one

A procedure that usually but not always works or that gives nearly the right answer is called_____________

Deterministic Algorithm

Heuristic Algorithm

Greedy Algorithm

Randomized Algorithm

Question No: 24 ( Marks: 1 ) - Please choose one

A Modem is a kind of ___

Input device

Output device

Storage device

Input and Output device

Question No: 25 ( Marks: 1 ) - Please choose one

The memory size of the Altair 8800 was

128 bytes

128 Kilo bytes

256 Kilo bytes

256 bytes

Question No: 26 ( Marks: 1 ) - Please choose one

---------- was known as “mill” in Analytical engine.

Memory

Processor

Monitor

Mouse

Question No: 27 ( Marks: 1 )

What is the key feature of object-oriented design?

ANSWER: The key feature of object-oriented design is that it treats every thing as object having properties and methods. These objects are separately treated and designed and once designed it can be used in any other system. So once designed can be used many times.

Question No: 28 ( Marks: 1 )

Write one purpose of using spreadsheets ?

ANSWERS: Purpose of spreadsheets is that it can do calculations on data accurately.

Question No: 29 ( Marks: 2 )

List down two advantages of writing Pseudo Code

Answers: The advantages of pseudo code are:

  • It is quite similar to human language so easy to understand.
  • It is close to real code so easy to write real code from it.

Question No: 30 ( Marks: 3 )

How can we calculate total number of rows in the truth table?

ANSWER: The formula for calculating number of rows in truth table is 2n

Where n = number of inputs

Question No: 31 ( Marks: 5 )

Differentiate between Vector graphics and Bit-mapped graphics.

ANSWER:

VECTOR GRAPHICS

  1. Treat everything as an object
  2. Is resolution independent
  3. Relatively small size
  4. Example: Corel Draw

BIT MAPPED IMAGES

  1. Treats everything as a bit map.
  2. Resolution dependent
  3. Large files
  4. Example: Microsoft Paint

Question No: 32 ( Marks: 5 )

Write differences between Shareware and trail ware software.

ANSWER:

SHAREWARE

  1. These are shared freely.
  2. It is given without payment ahead of time.

TRIALWARE

  1. Software is offered for a trial period.
  2. When the period is expired it is no more in use.