More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test MCQs With Answers
Question # 1
Which statement is valid.
Choose an answer
1 KB = 1024 bytes
1 MB = 2048 bytes
1 MB =1000 kilobytes
1 KB = 1000 bytes
Previous
Skip
Next
Question # 2
Which is the following devices can be sued to directly image printed text.
Choose an answer
OCR
OMR
MICR
All of above
Previous
Skip
Next
Question # 3
A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point.
Choose an answer
Facsimile (FAX)
Telephone
Photocopier
None
Previous
Skip
Next
Question # 4
An application program that helps the user to change any number and immediately see the result of that change is.
Choose an answer
Desktop publishing program
Database
Spired sheet
All of above
Previous
Skip
Next
Question # 5
Which number system is commonalty used as a shortcut notation of groups of four binary digits.
Choose an answer
Binary
Decimal
Octal
hexadecimal
Previous
Skip
Next
Question # 6
ASCII stand for.
Choose an answer
American stable code for international interchange
American standard case for institutional interchange
American Standard code for information Interchange
American Standard Code for interchange information
Previous
Skip
Next
Question # 7
Which of the following is not a primary storage device.
Choose an answer
Magnetic tape
Magnetic disk
Optical disk
None of above
Previous
Skip
Next
Question # 8
The most commonly used standard dta code to represent alphabetical numerical and punctuation characters used in electronic data processing system is called.
Choose an answer
ASCII
BCD
EBCDIC
All of above
Previous
Skip
Next
Question # 9
To produce high quality graphics in color you would want to use a
Choose an answer
RGB monitor
Plotter
Ink jet pointer
Laser printer
Previous
Skip
Next
Question # 10
Process of finding/correcting program errors is
Choose an answer
Bugs
Debugging
Hacking
Cracking
Previous
Skip
Next
Question # 11
A compute programmer
Choose an answer
Does all the thinking for a computer
Can enter input data quickly
Can operate all types of computer equipment
Can draw only flowchart
Previous
Skip
Next
Question # 12
Which computer memory is used for string programs and data currently being processed by the CPU.
Choose an answer
PROM
Mass memory
Internal memory
Non volatile memory
Previous
Skip
Next
Question # 13
The octal equivalent of 111010 is
Choose an answer
81
72
71
None
Previous
Skip
Next
Question # 14
Which of the following are the two main components of the CPU.
Choose an answer
Control unit and registers
Registers and main memory
Control unit and ALU
ALU and bus
Previous
Skip
Next
Question # 15
Communications device combines transmissions from several devices into on line is.
Choose an answer
Concentrator
Modifier
Multiplexer
full duplex line
Previous
Skip
Next
Question # 16
A physical connection between the microprocessor memory and other parts of the microcomputer is known as.
Choose an answer
Path
Address Bus
Route
All of the above
Previous
Skip
Next
Question # 17
Personnel who design program operate and maintain computer equipment refers to.
Choose an answer
Console opertor
Programmer
Peopleware
System Analyst
Previous
Skip
Next
Question # 18
A byte consists of
Choose an answer
One bit
Four bits
Eight bits
Sixteen bits
Previous
Skip
Next
Question # 19
Mnemonic a memory trick is used in which of the following language.
Choose an answer
Machine language
Assembly language
High level language
None of above
Previous
Skip
Next
Question # 20
The terminal device that functions as a cash register computer terminal and OCR reader is the
Choose an answer
Data collection terminal
OCR register terminal
Video Display terminal
POS terminal
Previous
Skip
Next
Question # 21
Another word for a daisy wheel printer
Choose an answer
Petal printer
Golf ball printer
Laser printer
Line printer
Previous
Skip
Next
Back