DOEACC Society 2007 DOEACC A Level A1-R3 IT Tools and Application - Question Paper

2.2 The computerized processing of data can only be applied to the field of business.
2.3 The ASCII computer code is primarily used in the preparation of punched paper tapes and
has little value with terminal devices.
2.4 The binary system, the place value of a digit increases or reduces by power of 2.
2.5 The word ‘bit’ is contraction of the word ‘binary digits’.
2.6 The primary function of I/O peripherals is to facilitate computer-to-computer data
transmission.
2.7 The file protection ring is an important part of the label-checking operation to protect tape
files.
2.8 Dot-matrix printer technology is available in serial and line printers.
2.9 The octal number system has a base of eight using number from one to 8.
2.10 The standard toolbar has buttons for the most common tasks you perform in PowerPoint,
such as saving, printing, or spell checking a presentation.
3. Match words and phrases in column X with the nearest related meaning/
word(s)/phrase(s) in column Y. Enter your selection in the “tear-off” ans sheet
attached to the ques. paper, subsequent instructions therein. (1 x 10)
X Y
3.1 Application Package A. Provides a storage medium for the data and
instructions to be executed.
3.2 Utility programs B. Copy the opted matter without changing the
original text.
3.3 Memory C. Used to choose the text to be operated with other
command key.
3.4 DOS D. Bars let you bring various parts of a document
into view.
3.5 Copy E. give a good user interface to ease the
process of maintaining the files & directories.
3.6 language processor F. Control + X
3.7 (568)8 G. Control + S
3.8 Save H. A software which bridges a specification or
execution gap
3.9 Menu Bar I. (101110010)2
3.10 CPU J. Spread sheets.
K. Software placed on the hard disk.
L. Consists of ALU and CU
M. Consists of ALU and Registers
N. Consists of ALU and Programs
O. (101011101)2
P. Bar where you can select commands
A1-R3 Page four of five January, 2007
4. every statement beneath has a blank space to fit 1 of the word(s) or phrase(s) in
the list beneath. Enter your option in the “tear-off” ans sheet attached to the
ques. paper, subsequent instructions therein. (1 x 10)
A. Main Memory B. Primary storage C. Non-Volatile
D. Volatile E. learn Only Memory F. CPU
G. RAM H. Mainframes I. Compact
J. Hard K. 8 L. Processing
M. 4 N. American Standard Code
for info interchange
O. MD
P. CD Q. American Set of Codes for
info Interchange
R. RD
S. Sixteen T. System, Application U. External
V. Vector, Interrupt
4.1 The components of a CPU are ______ the arithmetic-logic unit, and the control unit.
4.2 Semiconductor storage is ________ which means that the storage loses its data
representation when electrical power is interrupted.
4.3 2 basic kinds of semiconductor memory are random-access memory and _______
4.4 Computers are classified into 4 groups: microcomputers, minicomputers and ______
supercomputers.
4.5 There are 2 basic kinds of disk: ______ disk, and floppy disk.
4.6 ASCII stands for ______.
4.7 A byte consists of ______ bits.
4.8 info to be processed by a computer is called ______.
4.9 DOS have 2 kinds of commands: Internal and ________.
4.10 A new directory can be created by ________ command.
A1-R3 Page five of five January, 2007
PART TWO
(Answer any 4 questions)
5. Differentiate between:
a) Time Sharing and Real time Systems
b) Multiprogramming and Multitasking
c) Memory Management and Device Management
(3x5)
6.
a) What is spooling? Do you think that advanced personal computers will have spooling as
a standard feature in the future?
b) What is networking? provide the name of the essential hardware and software used for
networking.
c) What is computer virus? What is the remedy available for computer viruses? How does
it differ from bug?
(4+6+5)
7.
a) discuss the principle and working of laser printers.
b) discuss the basic differences ranging from a Keyboard and Mouse?
c) What is an MICR device? discuss how it helps in faster processing of bank cheques
with greater accuracy.
(6+4+5)
8.
a) elaborate the basic differences ranging from memories and storage devices? discuss the
working principle of any 1 of the storage device.
b) Linux has been developed as a cooperative effort over Internet. Comment on this
statement.
c) In Excel, we have 3 functions named as ROUND( ), ROUNDDOWN( ),
ROUNDUP( ); how these are different? discuss with examples.
(6+4+5)
9.
a) What is template? What is the difference ranging from a template and wizard?
b) elaborate the features of Windows Operating System? discuss the following:
i) Disk Cleanup
ii) Disk De-Fragmentor
c) discuss the different components of CPU with the help of diagram.
(3x5)
A1-R3 Page six of five January, 2007

Earning:   Approval pending.