Class 6
Choose the correct answer:
1.
The computer understands only zeroes and ones and this language is called as
a) Binary
b) Decimal
c) Octal
d) Hexadecimal
2. The most widely used input device is
a) Mouse
b) Keyboard
c) Joystick
d) Scanner
3. The Input device used to draw images and pictures on the computer screen.
a) Light pen
b) Joystick
c) Touch Screen
d) Graphic Tablet
4. The device used to recognize marks on specially printed forms and sheets.
a) OCR
b) OMR
c) MICR
d) Scanner
5. The amount of detail that a camera can capture is called as
a) Resolution
b) Animation
c) Picture
d) webcam
6. Which input device is used in banks for processing cheques ?
a) MICR
b) Touch Screen
c) Touch Pad
d) Light Pen
7. The storage device that is small in size and can be carried easily.
a) DVD
b) HDD
c) Floppy
d) Pen/Flash Drive
8. An economical printer for home where printouts have to be taken out occasionally is
a) Laser
b) Inkjet
c) Dot Matrix
d) Line printer
9. A journalist has to type a long article, which input device should he use ?
a) Mouse
b) Keyboard
c) Joystick
d) Light Pen
10. Which of the following is not a secondary storage device ?
a) RAM
b) CD
c) DVD
d) Hard Disk
11. The memory that can be directly accessed by the CPU.
a) RAM
b) CD
c) DVD
d) Hard Disk
12. Name an input device used by artists to draw pictures on a computer.
a) Printer
b) Graphic Tablet
c) Scanner
d) Barcode Reader
State TRUE/FALSE :
1.
2.
3.
4.
5.
6.
An input device converts binary data into a form that we can read.
A TFT monitor occupies more space than a CRT monitor.
A dot-matrix printer is an example of an impact printer.
RAM is a volatile Memory
A CD can hold more data that a DVD.
A mobile phone makes use of memory card to store data.
-
FALSE
FALSE
TRUE
TRUE
FALSE
TRUE
Fill in the Blanks :
1.
2.
A device that is used for converting printed documents or photos into electronic format is called a Scanner.
A Touch pad is an input device that is usually used on a laptop and works by sensing the user’s finger
movement and the applied pressure.
3. We will use an OMR for reading and evaluating multiple choice answers.
4. Two examples of non-impact printers are Inkjet printer and Laser printer.
5. The Platters of hard disk are coated with a Magnetic material.
6. BIOS is stored on ROM.
7. A Digital Camera is used to capture images and store them in a digital format.
8. DVDs which store data on both sides can hold over 9 GB of data.
9. A computer is a machine that follows Input-Process-Output cycle.
10. Plotters are special type of printers which are able to draw high quality images.
2 mark questions:
1.
2.
3.
4.
5.
6.
7.
Define Computer.
A Computer is a programmable electronic device that works according to the instructions given by us.
It has the ability to accept data, process it and give useful output.
Draw the block diagram of a Computer.
What is the role of an input device and an output device ?
An input device takes data and instructions from us and converts them into binary form that the
computer can understand. An output device takes data in the binary form from the computer and
converts it into a form that we can read.
Write short note on Barcode Reader.
A barcode reader is a device used to read barcodes. A barcode is a small image of lines and spaces that
can be seen on the packets of many products.
List the different types of Mouse.
Ball Mouse, Optical Mouse or a Wireless Mouse
Write short note on Touch Screen.
A Touch screen is a touch-sensitive computer display screen that can also act as an input device. It can
identify the presence and position of a touch within the display region.
Write short note on Monitor.
It is the most commonly used output devices. It displays text and images. A monitor is also known as
VDU (Visual Display Unit).
8.
9.
10.
Write short note on Pen Drive.
A pen drive is a storage device which is small in size and can be carried easily. It is a USB device that can
be used to quickly transfer any file from the hard drive of one computer to another.
What is the significance of RAM ?
RAM is a read/write memory. Information can be written into and read from RAM. It retains the stored
information as long as the power is switched on. The amount of RAM installed in a computer decides
the number and size of programs that the system can run simultaneously.
Differentiate between Impact and Non-Impact Printer.
Impact Printer
Non-Impact Printer
In impact printer, a print head runs back and forth There is no mechanical contact is required
between the print head and the paper in
or in an up and down motion on the page
non-impact printers.
Examples of impact printers are dot-matrix
Examples of non-impact printers are laser
printers, daisy wheel printers and line printers.
printers and inkjet printers.
11.
Differentiate between Primary Memory and Secondary Memory.
Primary Memory
Secondary Memory
Primary memory is the main or internal memory
Secondary memory is auxiliary or external
or backup memory.
Hard disk, CD, DVD, pen drive are examples
of secondary memory.
RAM and ROM are examples of primary memory
5 mark questions:
1.
2.
3.
4.
Explain any FIVE types of Input Devices.
Write a note on Mouse.
Draw the block diagram of Computer Memory.
Explain the types of Printers.
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Blue Print
I.
II.
III.
IV.
V.
Marks : 100
Time : 2 Hrs.
Choose the correct answer:
Fill in the blanks :
True/False :
2 mark questions :
5 mark questions :
(20 x 1 = 20)
(15 x 1 = 15)
(10 x 1 = 10)
(15 x 2 = 30)
(5 x 5 = 25)