Computer MCQ for Competitive Exams PDF like DRDO, ISRO, RRB, HPSSC JE Computer Operator, CRPF etc. These are very advanced Compute MCQs. All these question we collect from the previous year question papers of different exams.
Computer MCQ for Competitive Exams PDF
1. Excess – 3 code of decimal 3 is: [CRPF Constable Tradesman]
a) 1000
b) 1010
c) 0001
d) 0110
Tip: Add Decimal value (3) or Add binary value (0011) in any binary value to find Excess-3 Code.
2. The program in the operating system that does processor management is called [HPSSC JOA 2018]
a) Traffic controller
b) Dispatcher
c) Processor Scheduler
d) Job Scheduler
3. Which of the following is not the type of real time operating system? [HPSSC JOA 2018]
a) Hard real time operating system
b) Soft real time operating system
c) complex real time operating system
d) None of these
4. Which PowerPoint feature will you use to apply motion effects to different objects of a slide? [HPSSC JOA 2018]
a) Slide transition
b) Slide design
c) Animation objects
d) Animation schema
5. Which of the following is not a type of data model? [HPSSC JOA 2018]
a) Hierarchical Model
b) Network model
c) Relational model
d) Abstract model
6. The default page orientation in Excel is ……
a) portrait
b) landscape
c) vertical
d) horizontal
7. Which table in an operating system contains information about all the open files?
a) open-file table
b) open-seek table
c) open table
d) open-location table
Ans. A
8. Now ………is the owner of Mobile Operating system “Android” [RRB Loco Pilot]
a) Android Inc.
b) Samsung
c) Yahoo
d) Google
Ans. D
9. Which of the following is a real time operating system? [RRB Loco Pilot]
a) MS- Windows
b) Linux
c) Unix
d) DNX
Ans. D
Explanation: The dnx RTOS is a small general purpose real-time operating system based on the FreeRTOS kernel. The dnx is an unix-like layer which provides an unified implementation of drivers and file systems (VFS) for embedded systems.
10. The flow and timing of data to and from the microprocessor is regulated by [HPSSC JOA 2018]
a) Control pins
b) Address pins
c) Data pins
c) Power pins
Ans. A
11. Which port can also used to connect two computers to transmit files? [HPSSC JOA 2018]
a) Serial port
b) Parallel port
c) AGP port
d) Firewire port
Ans. B
12. Floating point representation is used to store [HPSSC JOA 2018]
a) Boolean values
b) Real integers
c) Whole numbers
d) All of these
Ans. B
13. A machine that connects two or more electronic mail systems and transfers messages between them is called [HPSSC JOA 2018]
a) Bridges
b) User agent
c) Mail gateway
d) None of these
Ans. C
14. Encapsulation is also known as [HPSSC JOA 2018]
a) Information hiding
b) Data abstraction
c) Data management
d) None of these
Ans. A
15. Multi-user systems provided cost savings for small business because they use a single processing unit to link several is called …….
a) personal computers
b) workstations
c) dumb terminals
d) mainframe
Ans. C
16. Itanium based system have been produced by
a) HP
b) HCL
c) Apple
d) Dell
Ans. A
17. What is the total number of class of IP address?
a) 3
b) 4
c) 5
d) 9
Ans. C
18. Bridge works in which layer of OSI layer?
a) Application layer
b) Transport layer
c) Network layer
d) Data link layer