MODEL QUESTION SET
-2
Group A: “Computer
Fundamental” [20 Marks]
1.
Answer the following
questions:
a)
Write down the
features of first generation of computer.
Characteristics of First Generation of Computers:
1.
Use of
vacuum tubes to make circuits
2.
Use of
machine language and symbols in instructions
3.
Very
small amount of storage space
4.
Use of
punch cards as I/O devices
5.
Huge in
size and poor in mobility
6.
Very
slow and less reliable output
7.
Use of
high electricity
8.
Generates
too much heats
b) Define
CPU. What are the main section of CPU?
The central processing unit
(CPU) is the unit which performs most of the processing inside a computer. To
control instructions and data flow to and from other parts of the computer, the
CPU relies heavily on a chipset, which is a group of microchips located on
the motherboard.
The main section of CPU are
ALU, MU and CU.
c)
Why printer is
called hardcopy output? Justify your answer.
Printer is called hardcopy because Printers can print text and graphics on paper or
other hardcopy materials.
d)
Write any four
precautions to save the floppy disk.
Any four precautions to save the floppy disk
1.
Never leave diskettes in the disk drive,
as data can leak out of the disk and corrode the inner mechanics of the drive.
Diskettes should be rolled up and stored in pencil holders.
2.
Diskettes should be cleaned and waxed once
a week.
3.
Do not fold diskettes unless they do not
fit into the drive. "Big" diskettes may be folded and used in
"little" disk drives.
4.
Never insert a diskette into the drive
upside down. The data can fall off the surface of the disk and jam the
intricate mechanics of the drive.
2.
What are wild card
characters?
A wildcard character is a special character that represents one or more other
characters. The most commonly used wildcard characters are the asterisk (*), which
typically represents zero or more characters in a string of characters, and the
question mark (?), which typically represents any one character.
3.
Write down the
functions out by the following DOS commands:
a.
D:\>DIR/AH
To view the hidden files of
d drive
b.
D:\COPY CON UJJWAL
Creates a new file UJJWAL in d drive.
4.
Answer the given
questions:
a.
What is windows XP?
Windows XP is a personal computer
operating system produced by Microsoft as part of the Windows NT family of operating
systems.
b.
Name any four elements
of windows.
Any four elements of windows are Title bar,
Scroll bar, Status bar and Content area
5.
Answer the given
questions:
a.
What are the three
basic documents tags?
<HTML>, <HEAD> and <TITLE>
b.
Define the term
“Hyperlink”.
A hyperlink is an element in an
HTML document that links to either another portion of the document or to
another document altogether.
c.
What is the
function of <IMG SRC> code in HTML?
To insert image.
6.
Fill in the blanks
with suitable word:
a.
The container elements are paired
and have starting and ending tags.
b.
TCP/IP
is the native protocol of the Internet and required for internet connectivity.
c.
The term
“Hyperlink” was coined in 1965
d.
bgcolor
allows setting of the background color for the document.
7.
P
a.
What is program
development cycle?
Program Development Life Cycle (PDLC) is a
systematic way of developing quality
software. It provides an organized plan for breaking down the task of program development into
manageable chunks, each of which must be successfully completed before moving
on to the next phase.
b.
Define the term
“Algorithm” and “Flowchart”.
An algorithm (pronounced
AL-go-rith-um) is a procedure or formula for solving a problem, based
on conducting a sequence of specified actions.
A flow chart is a type of
diagram representing a process using different symbols containing information about steps
or a sequence of events. Each of these symbols is linked with arrows to
illustrate the flow direction of the process.
c.
Write down the
function of WHILE ……….. WEND statement.
“While WEND” examines the condition of a
variable. “While” the variable meets the stated criteria performing a loop
until the variable’s condition no longer meets the stated criteria.
8.
a.
Draw a flowchart to
print the first ten natural numbers.
b.
Write down the
output of the following program:
CLS
X$ = "DINESH ADHIKARI"
PRINT: PRINT: PRINT
PRINT TAB(40);
FOR I = 8 TO 1 STEP -1
PRINT
MID$(X$, I, 1)
NEXT
END
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