General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .

Which of the following commands is called as three-finger salute in computers?

Ctrl + Alt + Arrow key

Ctrl + Alt + Delete

Ctrl + Shift + Escape

Ctrl + Shift + Enter

Correct Answer : Ctrl + Alt + Delete

The three-finger salute refers to the original PCcompatible system command to reboot or restart a computer by pressing three keys simultaneously: Control, Alt and Delete. The three-key combination of Control-Alt-Delete is specifically designed to be impossible to execute with one hand in order to avoid the potential for accidental reboots. It was developed by David Bradley.

Published On : June 17, 2021

2 .

Communication satellites are used to

To provide information of national sources only

To only receive communication signal

To receive and redirect communication signals

To transmit communication signals

Correct Answer : To receive and redirect communication signals

A communications satellite works like a relay station: signals transmitted by the ground stations are picked up by the satellite’s receiver antennas, the signals are filtered, their frequency changed and amplified, and then routed via the transmit antennas back down to Earth. The redirected signals are received by ground stations, also called earth stations and further processed to extract the base band signals.

Published On : June 17, 2021

3 .

Which among the given options is IBMs Supercomputer?

SunwayTaihu Light

Tihane-2

Shasra-T

Watson

Correct Answer : Watson

Watson is an IBM supercomputer that combines artificial intelligence (AI) and sophisticated analytical software for optimal performance as a "question answering" machine. The supercomputer is named for IBM's founder, Thomas J. Watson.

Published On : June 17, 2021

4 .

How many layers are there in the OSI networking model?

Correct Answer : 7

The modern Internet is not based on OSI, but on the simpler TCP/IP model. However, the OSI 7-layer model is still widely used, as it helps visualize and communicate how networks operate, and helps isolate and troubleshoot networking problems.

Published On : June 17, 2021

5 .

The Android operating system is the embedded version of

Linux

UNIX

Windows

macOS

Correct Answer : Linux

A new breed of embedded technology is emerging using customized versions of the Android operating system. At first blush, Android may sound like an odd choice as an embedded OS, but in fact Android is already an embedded OS, its roots stemming from Embedded Linux.

Published On : June 17, 2021

6 .

Which of the following is an example of Electrically-Erasable Programmable Read-Only Memory?

FRAM

Flash

Fury

Flange

Correct Answer : Flash

A special form of EEPROM is flash memory, which uses normal PC voltages for erasure and reprogramming.

Flash devices have a limited number of erase cycles (typically 10,000 to 1,000,000 cycles) so they're not as good a choice for applications in which the data changes constantly.

Published On : June 17, 2021

7 .

PSW stands for

Process status word

Primitive status word

Program status word

Processor status word

Correct Answer : Program status word

PSW stands for Program Status Word. It is an IBM System/360 architecture and successors control register which performs the function of a Status register and Program counter in other architectures, and more. It contains status bits that reflect the current CPU state.

Published On : June 17, 2021

8 .

The technology used in the electronic printer is called

Micro technology

Micro encapsulation

Micro millimetric

Micro array

Correct Answer : Micro encapsulation

Micro encapsulation is one of the several technologies used in Electronic printing. It is widely used in “carbonless” carbon paper and “scratch-and-sniff” cologne and perfume advertisements in magazines. This technology involves the usage of millions of transparent fluid-filled capsules containing microscopic particles (Chemistry By Steven Zumdahl, Susan Zumdahl, p. 488).

Published On : June 16, 2021

9 .

Which component is mainly responsible for doing calculation in computer ?

Control unit

Hard disk

Random access memory

Arithmetic logic unit

Correct Answer : Arithmetic logic unit

An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words. It performs all arithmetic computations, such as addition and multiplication, and all comparison operations.

Published On : June 16, 2021

10 .

Which one of the following was the top exporter company of software in 2001 in India?

TCS

Wipro

Infosys

Mahindra

Correct Answer : TCS

Tata Consultancy Services emerged the country’s No. 1 software exporter in 2001-02 with an export earning of Rs. 3,882 crore. Infosys occupied the second position with Rs. 2,553 crore while Wipro was the third-largest software exporter with export revenue of Rs. 2,298 crore.

Published On : June 16, 2021