Class 9 Computer Science Grand MCQs Tests Federal Board

All the input/output devices are connected to the:

The old name of International Business Machines (IBM) was:

Which of the following operating system was introduced in 1969?

Third generation computers used:

Which of the following Windows icon allows users to access a program, file or folder quickly?

These are the electric pathways printed on the motherboard.

It is a very small amount of extremely fast memory inside the microprocessor or on the motherboard.

It is the main chip on the motherboard that controls all the activities of the computer.

When were IC chips developed?

Which software is given free of cost for an unlimited period of time.

It loads programs into memory and executes them.

What type of software a device driver is?

Which software is distributed free of cost for a limited period as a trial version?

Who is known as the father of modern digital computers?

The types of memories on the motherboard are:

OCR stands for:

It is a pointing device with a vertical lever mounted on a base.

Which of the following computer supports thousands of users at the same time?

DVD stands for:

The period of the first generation computers was from:

It is a magnetic storage device used to store computer data.

First generation computers used:

These are used to transmit information between various components of the computer.

Which interface is based on textual input?

It is faster and more expensive than RAM.

Which of the following user interface is the easiest one to learn and use?

The period of the fourth generation computers is from:

Who is responsible for protecting information and information systems from unauthorized people in an organization?

In which of the following operating system, CPU is switched rapidly between all the programs to simultaneously execute all of them?

The purpose of using this memory is to improve the processing speed of computer.

Which of the following is known as main memory or primary memory of computer?

Which of the following is volatile memory?

Which of the following interface uses window, icon, menu, and a pointer to interact with computer?

It refers to the physical components that make up a computer system.

Which generation of computer used transistor?

Which of the following operating system allows many users to use a computer at the same time?

The period of the second generation computers was from:

Which of the following Windows icon allows users to access the contents of computer drives and manage files and folders?

Which of the following is the fastest memory?

Which of the following is open source operating system?

In which generation of computer microprocessor was introduced?

Which one is a volatile memory?

Slid Rule was developed in 1614 by:

Which of the following operating system must process information and produce a response within a specified time?

Fourth generation computers use:

The storage capacity of a DVD is in the range of:

The period of the third generation computers was from:

Who invented logarithm?

The software which can convert an image of text into a text file that can be edited is known as:

Second generation computers used:

Abacus was the earliest calculating device most probably invented in:

ENIAC stands for:

Microsoft introduced the MS-DOS in ______.

___________  is a collection of system software that controls the working of a computer
system.

Rate of change of electrical signals per second is called:

In which of the following transmission mode, information is transmitted in both directions but not simultaneously?

A device driver is a:

The purpose of twisting the cables is:

The operating system gives full control over a computer system to a person known as:

Which of the following device is used for connecting computers together in wireless local area networks?

______ invented the world’s first microprocessor in November 1971.

____________ is the set of rules between the two communicating devices.

‘Pairing’ of devices is done in:

For installation of Windows 10 operating system, while booting  the computer, make sure DVD is set as the:

_________ is difficult to use because users have to remember the commands to perform any task.

Which of the following is similar between Synchronous and Asynchronous transmission?

In which of the following impairment, the strength of signal falls off with distance?

The name of built-in anti-virus software in Windows 10 is:

UNIX was developed for use on ______.

Flight Gear (flight simulator) is an example of:

It loads programs into memory and executes them.

Which of the following is used for short-distance communication?

Which of the following impairment refers to undesired signals that enter the path of the transmitted signal due to electromagnetic radiation?

In which of the following network, every computer can act as a client, server, or both at the same time?

The process of converting digital signals into analog signals is called:

In which type of data transmission start/stop bits are used?

Slide rule was replaced by electronic pocket calculator in the early: 

MS-DOS was replaced by:

LAN stands for:

Which transmission media uses light waves for transmitting information?

Google Chrome is an example of:

The process of converting analog signals into digital signals is called:

Antivirus software is an example of:

Which of the following device forwards information from one network to another by selecting the best pathway available?

It is a single user and single task operating system.

What represents the overall data transmission capacity of a computer network?

Novell’s Netware and ProDOS are the examples of:

To create a new folder in Windows Explorer simply press the following keys:

Which of the following is NOT a communication device?

VLC media player is an example of:

Which folder in Windows is the default folder where the user saves files?

In which of the following transmission, time interval between the characters is always same?

 It is a multi-user CLI operating system.

It acts as an interface between the computer user and computer.

Today’s modern digital computers are based on the idea of:

Which of the following device is used for connecting computers together in wired local area networks?

A process is a program _________.

It can be viewed as a resource manager.

Which of the following is NOT included in guided media?

The first antivirus software was developed by Bernd Fix in: 

______________ are used for solving complex application such as Global Weather Forecasting.

Which of the following malware displays advertisements on the screen?

Which of the following is not an example of system software?

Which of following network connects computers across cities, countries and continents?

Components used for interconnecting dissimilar networks that use different communication protocols.

A transmission impairment that refers to change in shape or frequency of digital signal is ____________.

Assembler is used as a translator for:

What is the ready state of a process?

Transmitting and receiving antennas must be with in the line of sight in ____________.

Which of the following is not a process state?

What is a person who illegally breaks into others’ computer systems called?

A term that defines the direction of flow of information between devices.

Which of the following provides high speed Internet connection?

Which one of the following errors will be handle by the operating system?

Which one of the following is open-source software?

What is making illegal copies of copyright software for use on other computers or sale called?

Which of the following is not the state of a process?

Which of the following network is used to provide Cable TV and Internet services?

Which of the following malware gathers information about user activities on computer?

_________ is a processing system in which jobs are collected, enters into a computer altogether and then computer executes them one by one

The operating system which processes information and produces response within a specified time is

They normally interact with the system via the user interface provided by the application software.

WI–FI uses:

Which of the following topology is most expensive to implement?

A light-sensitive device that converts drawing, printed text, or other printed images into digital form is:

Which of the following authentication method is most reliable?

A set of processes is deadlock if __________

If the signal to noise ratio is higher than 1:1 that means:

If an electrical signal has four states then it will _________ the bit transfer rate.

The processor which can perform all the operations and calculations is called:

By operating system, the resource management can be done viav__________.

An alternative of mouse present in laptop computers is:

Which is the correct association between a computer hardware component and a computer function?

What is a person who uses special tools for breaking into computer systems called?

Modulator/Demodulator refers to ________ device.

Which of the following is designed to control the operations of a computer?

In which of the following network topology, a switch is required?

Which of the following authentication methodology is used to draw cash from ATM?

__________ network device is used to connect computers in a wireless local area network.

Which of the following network provides centralized security?

Which of the following is not a type of computer on the basis of operation?

VLSI stands for :

What do you call a program in execution?

_____________ is designed to solve a specific problem or to do a specific task.

Which of the following computer shares resources on a network for others to use?

The solution to attenuation is:

Start and stop bits are not used in ______________ transmission.

Which of the following authentication method is based on features of individual such as face, fingerprint and voice?

Which one of them is not a non-impact printer?

Which malware spreads automatically in computer networks and replicates itself

Which of the following authentication method is used for opening security gates?

Which of the following network topology uses a device called terminator?