WorksheetsBasics of Computer
Total questions: 25
Worksheet time: 10mins
Which of the following groups are only input devices?
Mouse, keyboard, monitor, Joystick
Mouse, keyboard, printer, Light pen
Mouse, keyboard, Joystick, Light pen
Mouse, keyboard, Monitor Light pen
Which of the following is not a pointing device?
Mouse
Joystick
Light pen
Digitizer
Wireless mouse communicates through
radiowaves
infrared wave
microwaves
Electromagnetic signal
The OCR stands for
Outsized Character Reader
Optical Character Reader
Operational Character Reader
Only Character Reader
Which electronic components are used in First Generation Computers?
Transistors
Integrated Circuits
Vacuum Tubes
VLSI Microprocessor
Which electronic components are used in Third Generation Computers?
Transistors
Integrated Circuits
Vacuum Tubes
VLSI Microprocessor
The binary number 11101 is equal to the decimal number
27
28
29
30
Octal equivalent of Binary Number (110111) is
67
65
68
66
Octal equivalent of decimal number (56) is
69
70
71
72
What type of printers are Dot Matrix Printers?
Laser
Inkjet
Impact
Drum
The difference between impact and nonimpact printers
Impact printers are faster than non- impact printers
Impact printers make direct physical contact with paper,non impact don't
Impact printers produce better quality prints
None of the Above
CRT Stands for
Cathode radiation Tube
Crystal Ray Tube
Cathode Ray Tube
Cathode Ring Tube
LCD stands for
Liquid Crystal Display
Liquid Cathode Display
Large Crystal Display
Liquid Crisp Display
Height to width ratio of Monitor Screen is called
Width Ratio
Aspect Ratio
Height Ratio
Length Ratio
Which of the following has fastest Access Time
Harddisk
Pendrive
Cache
RAM
The process of dividing the disk into tracks and sectors is called
Tracking
Allotting
Crashing
Formatting
The storage device that uses rigid, permanently installed magnetic disks to store data is
1. Floppy
2. Permanent disk
3. Optical disk
4. Hard disk
A DVD is
1. Optical disk
2. Output device
3. Solid state storage device
4. Hard disk
The Boot sector files of the system are stored in which computer memory?
(a) RAM
(b) ROM
(c) Cache
(d) Register
RAM is and _.
(a) volatile, temporary
(b) non-volatile, temporary
(c) volatile, permanent
(d) non-volatile, permanent
Which of the following has the fastest speed in the computer memory hierarchy?
(a) Cache
(b) Register in CPU
(c) Main memory
(d) Disk cache
The value of radix in binary number system is _____________
8
2
1
0
The binary equivalent of the decimal number 10 is __________
1010
1100
1001
1110
Which of the following is not a binary number?
111
110
112
101
Which of the following is not an octal number?
776
567
787
456
