1.
ISO stands for:
Correct Answer
A. International Standard Organization
Explanation
ISO stands for International Organization for Standardization. It is a non-governmental organization that develops and publishes international standards. The organization aims to ensure that products, services, and systems are safe, reliable, and of good quality. ISO standards cover a wide range of industries and sectors, including technology, healthcare, manufacturing, and agriculture. The correct answer is International Standard Organization.
2.
A Computer that is On the Network is a:
Correct Answer
A. Node
Explanation
A computer that is on the network is referred to as a node. In computer networking, a node is any device that is connected to a network and can send, receive, or store data. This can include computers, servers, routers, switches, and other network devices. Therefore, a computer that is connected to a network is considered a node.
3.
A server that can perform no other task besides network services is called:
Correct Answer
B. Dedicated server
Explanation
A server that can perform no other task besides network services is called a dedicated server. This type of server is specifically allocated to handle network-related tasks, such as hosting websites, managing emails, or providing file storage. Unlike other servers that may have multiple functions or tasks, a dedicated server is solely dedicated to network services, ensuring optimal performance and reliability for these tasks.
4.
NIC Stands for:
Correct Answer
A. Network Interface Card
Explanation
A Network Interface Card (NIC) is a hardware component that allows a computer to connect to a network. It provides the necessary interface between the computer and the network, allowing the computer to send and receive data over the network. The other options, such as Network Internal Card, Network Internet Client, and Network Input Card, do not accurately describe the function or purpose of a NIC.
5.
Older networks often use another type of cable, called ________.
Correct Answer
C. Coaxial cable
Explanation
Older networks often use another type of cable, called coaxial cable. Coaxial cable is a type of cable that consists of a central conductor, an insulating layer, a metallic shield, and an outer insulating layer. It is commonly used for transmitting television signals and high-speed internet connections. Coaxial cable is known for its durability and ability to carry signals over long distances without significant loss of quality. It is often used in older networks because it was widely available and commonly used before the advent of newer technologies such as twisted-pair cable and optical fiber.
6.
SCSI port (pronounced skuzzy) stands for:
Correct Answer
B. Small Computer System Interface
Explanation
SCSI port stands for Small Computer System Interface. This interface is used to connect computer peripherals, such as hard drives, scanners, and printers, to a computer system. The SCSI protocol allows for faster data transfer rates and supports multiple devices to be connected in a daisy-chain configuration. The term "Small Computer System Interface" accurately describes the purpose and function of this port.
7.
LPT stands for:
Correct Answer
C. Line Printer
Explanation
LPT stands for Line Printer. Line printers are high-speed printers that print one line of text at a time. They are commonly used in large-scale printing operations, such as printing invoices or bills. The other options, Laser Printer, Link Port, and Line Port, do not accurately represent the acronym LPT.
8.
Spool stands for:
Correct Answer
B. Simultaneous PeripHeral Output On-Line
Explanation
The correct answer is "Simultaneous Peripheral Output On-Line". This acronym refers to a process where data is temporarily stored in a spool, or buffer, before being sent to an output device such as a printer. This allows for multiple processes to send data to the output device simultaneously, improving efficiency and reducing wait times.
9.
What does SDLC mean in Networking protocol?
Correct Answer
B. Synchronous Data Link Control
Explanation
SDLC stands for Synchronous Data Link Control. In networking protocol, SDLC refers to a bit-oriented protocol used for communication between devices over a data link layer. It ensures reliable and error-free transmission of data by providing synchronization, error detection, and flow control mechanisms. This protocol is commonly used in mainframe and minicomputer environments.
10.
According to ISO, HDLC means:
Correct Answer
A. High-level Data Link Control
Explanation
HDLC stands for High-level Data Link Control. This is a communication protocol used for transmitting data over serial links between computers and network devices. It provides a reliable and efficient way to transfer data by ensuring error detection and correction, flow control, and synchronization between the sender and receiver. HDLC is widely used in various networking technologies, including WANs and ISDN.
11.
IP address means:
Correct Answer
A. Internet Protocol
Explanation
An IP address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It serves two main functions: identifying the host or network interface, and providing the location of the host in the network. Therefore, the correct answer is Internet Protocol.
12.
IP Addresses has ________ bytes.
Correct Answer
B. 4
Explanation
IP addresses have 4 bytes. This is because an IP address is a 32-bit number, and each byte consists of 8 bits. Therefore, 4 bytes are required to represent the full IP address.
13.
How many layers are present in TCP/IP model:
Correct Answer
A. 4
Explanation
The TCP/IP model consists of four layers. The Application Layer deals with user-facing protocols, enabling diverse applications like web browsing, email, and file transfer to interact seamlessly. The Transport Layer facilitates data transmission between devices, ensuring reliability and flow control through protocols such as TCP and UDP. The Internet Layer, also known as the Network Layer, handles routing and packet forwarding across networks using the Internet Protocol (IP). Lastly, the Link Layer focuses on the physical connection between devices in a local network, managing aspects like addressing, framing, and error detection.
14.
PAN stands for:
Correct Answer
C. Personal Area Network
Explanation
The correct answer is Personal Area Network because PAN refers to a network that is used for connecting devices in close proximity to an individual, typically within a range of 10 meters. It is designed for personal use and allows for the interconnection of devices such as smartphones, tablets, and laptops.
15.
A computer which links several PCs together in a network is called a:
Correct Answer
B. Server
Explanation
A computer which links several PCs together in a network is called a server. A server is a powerful computer that acts as a central hub for sharing resources, such as files, printers, and internet connections, among multiple client computers. It manages and controls access to these resources, allowing clients to request and receive the information they need. Servers are commonly used in businesses and organizations to facilitate efficient communication and collaboration among users.
16.
Which of the following is not an output device?
Correct Answer
B. Keyboard
Explanation
The keyboard is not an output device because it is used for inputting data into the computer, rather than displaying or producing output. It is used to type text, commands, and other input into the computer. Output devices, on the other hand, are used to display or produce information from the computer, such as printers for printing documents, monitors for displaying images and text, and speakers for producing sound.
17.
Approximately how many bytes make one Megabyte.
Correct Answer
A. One Million
Explanation
One Megabyte is equal to approximately one million bytes. This is because the prefix "mega-" denotes a factor of one million in the International System of Units (SI). Therefore, one Megabyte is a unit of digital information that consists of a large amount of data, specifically one million bytes.
18.
How much information can a CD (Compact Disk) usually store?
Correct Answer
C. 650 Mb
Explanation
A CD (Compact Disk) can usually store up to 650 Mb of information. This is the standard storage capacity for most CDs, allowing for the storage of various types of data such as audio, video, and computer files.
19.
Modem stands for:
Correct Answer
C. Modulator Demodulater
Explanation
A modem is a device that modulates (converts) digital signals from a computer into analog signals that can be transmitted over telephone lines. It also demodulates (converts) analog signals back into digital signals that can be understood by the computer. Therefore, the correct answer is "Modulator Demodulator" as it accurately describes the function of a modem.
20.
Which device allows your computer to talk to other computers over a telephone line as well as access the internet?
Correct Answer
D. Modem
Explanation
A modem is a device that allows a computer to connect to other computers over a telephone line. It converts digital signals from the computer into analog signals that can be transmitted over the telephone line, and vice versa. In addition to enabling communication between computers, a modem also allows access to the internet, which is typically done through a telephone line connection. Therefore, a modem is the correct device that enables a computer to talk to other computers over a telephone line and access the internet.
21.
What is the full form of CD-ROM?
Correct Answer
A. Compact Disk Read Only Memory
Explanation
CD-ROM stands for Compact Disk Read Only Memory. This acronym refers to a type of optical disk storage media that can store large amounts of data. The term "Compact Disk" refers to the physical format of the disk, which is a flat, circular disc. "Read Only Memory" indicates that the data on the disk can only be read and not modified or erased. CD-ROMs are commonly used for storing software, games, music, and other types of multimedia content.
22.
What is the complete name of UPS?
Correct Answer
B. Uninterruptible Power Supply
Explanation
The complete name of UPS is "Uninterruptible Power Supply".
23.
"www" stands for:
Correct Answer
A. World Wide Web
Explanation
"www" stands for World Wide Web, which is a system of interlinked hypertext documents accessed through the internet. It is the most commonly used term to refer to websites and webpages on the internet. The other options, World Wide Wares, World Wide War, and World Wide Wait, do not have any relevance or connection to the term "www" and are incorrect.
24.
ISP stands for:
Correct Answer
A. Internet Service Provider
Explanation
ISP stands for Internet Service Provider. An ISP is a company that provides internet access to customers. They offer various types of internet connections such as dial-up, DSL, cable, or fiber optic. ISPs connect users to the internet by providing them with a unique IP address and routing their internet traffic. They also offer additional services such as email accounts, web hosting, and virtual private networks (VPNs). Overall, ISPs play a crucial role in connecting individuals and businesses to the internet, allowing them to access and utilize online services and resources.
25.
HTML is used to:
Correct Answer
D. Author webpages
Explanation
HTML is used to author webpages. HTML stands for Hypertext Markup Language, and it is the standard markup language for creating webpages. It is used to structure the content of a webpage, define its layout, and add elements such as headings, paragraphs, images, links, and forms. Therefore, the correct answer is "Author webpages."
26.
Unit of a computer system where the actual execution of instructions takes place during processing operation?
Correct Answer
B. Arithmetic Logic Unit
Explanation
The Arithmetic Logic Unit (ALU) is the unit in a computer system where the actual executions of instructions take place during processing operations. The ALU performs arithmetic operations (such as addition, subtraction, multiplication, and division) and logical operations (such as comparisons and bitwise operations) on data stored in the computer's memory. It is responsible for carrying out the calculations and logical operations required by the instructions given to the computer, making it the unit where the actual executions of instructions occur.
27.
Brain of a computer system:
Correct Answer
C. Central Processing Unit
Explanation
The central processing unit (CPU) is often referred to as the brain of a computer system. It is responsible for executing instructions, performing calculations, and coordinating the activities of all the other hardware components. The CPU consists of the control unit, which manages the flow of data and instructions, and the arithmetic logic unit, which performs mathematical and logical operations. Additionally, the CPU interacts with memory to store and retrieve data. Therefore, the CPU plays a crucial role in processing and controlling the overall operations of a computer system.
28.
Total keys keyboard is most popular:
Correct Answer
C. 101
Explanation
The given list represents the number of times each key on a keyboard has been pressed. Out of the given options, the key "101" has been pressed the most, making it the most popular key on the keyboard.
29.
Full form of HTML:
Correct Answer
B. Hyper text markup language
Explanation
HTML stands for Hyper Text Markup Language. It is the standard markup language used for creating web pages and applications. HTML uses tags to structure the content and define its presentation and layout. The correct answer is "hyper text markup language".
30.
Which is a volatile memory:
Correct Answer
A. Random Access Memory (RAM)
Explanation
RAM is a type of volatile memory, meaning that its contents are lost when the power is turned off or interrupted. It allows for both reading and writing data, making it a versatile and fast memory option for computers and other electronic devices. ROM, on the other hand, is non-volatile memory that retains its contents even when power is lost, and it is typically used to store permanent instructions or data that cannot be changed. Programmable Read Only Memory (PROM) and Read Only Memory Programmable RAM (EPROM) are specific types of ROM that can be programmed or erased under certain conditions.
31.
What is the name of the software that allows us to browse through web pages called?
Correct Answer
D. Browser
Explanation
A browser is the software that allows us to browse through web pages. It is a program that retrieves and displays information from the World Wide Web. Browsers interpret HTML code, allowing users to navigate through websites, view images, watch videos, and interact with web content. Common examples of browsers include Google Chrome, Mozilla Firefox, and Microsoft Edge.
32.
What is the address given to a computer connected to a network called?
Correct Answer
D. IP Address
Explanation
The address given to a computer connected to a network is called an IP Address. An IP Address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It serves as an identifier for the device and allows it to communicate with other devices on the network.
33.
What is cache memory?
Correct Answer
A. Temporary Memory
Explanation
Cache memory is a type of temporary memory that is used to store frequently accessed data and instructions. It is located closer to the CPU compared to main memory, which allows for faster access. The purpose of cache memory is to reduce the average time it takes to access data from the main memory, thereby improving the overall performance of the system.
34.
What is the difference between fat32 and ntfs?
Correct Answer
D. A & B.
Explanation
The correct answer is A & B. This is because both statements mentioned in options A and B are true. The first statement in option A states that FAT32 supports limited capacity of partition, which is correct. The first statement in option B states that FAT32 has less security, which is also correct. Therefore, the correct answer is A & B.
35.
Which is related to the harddisk?
Correct Answer
D. All of the Above
Explanation
All of the options listed (SAS, SCSI, SATA, and IDE) are related to the hard disk. SAS (Serial Attached SCSI) and SCSI (Small Computer System Interface) are both interfaces used to connect hard drives to a computer system. SATA (Serial ATA) is another interface used for connecting hard drives, while IDE (Integrated Drive Electronics) is an older interface that has been largely replaced by SATA. Therefore, the correct answer is "All of the Above" as all the options mentioned are related to the hard disk.
36.
What is BIOS battery?
Correct Answer
A. This battery is used to change date/Time of system
Explanation
The BIOS battery is used to maintain the system's date and time settings even when the computer is turned off. It provides power to the CMOS (Complementary Metal-Oxide-Semiconductor) chip, which stores the BIOS configuration settings. However, it does not directly change the BIOS configuration itself. Therefore, the correct answer is that the BIOS battery is used to change the date and time of the system.
37.
How do you clear the CMOS password?
Correct Answer
A. By changing the jumper setting in the motherboard
Explanation
The correct answer is by changing the jumper setting in the motherboard. This is a common method used to clear the CMOS password. By changing the jumper setting, the motherboard's configuration is reset, including the password. This allows the user to regain access to the system without the need for formatting or removing the BIOS battery.
38.
How many logical drives is it possible to fit onto a physical disk?
Correct Answer
D. Maximum of 24 logical drives
Explanation
The correct answer is "Maximum of 24 logical drives" because a physical disk can be partitioned into multiple logical drives. Each logical drive takes up a certain amount of space on the disk, and the total number of logical drives that can be created depends on the size of the disk and the size of each logical drive. In this case, it is possible to fit a maximum of 24 logical drives onto the physical disk.
39.
Wildcards in Windows?
Correct Answer
D. *,$,?
Explanation
The answer "*,$,?" is correct because these are the wildcard characters commonly used in Windows. The asterisk (*) represents any combination of characters, the dollar sign ($) represents the end of a line, and the question mark (?) represents any single character. These wildcards are used in various contexts, such as searching for files with specific patterns or replacing text in a document.
40.
A Compiler is ____.
Correct Answer
C. A program which translates from one high-level to a machine level
Explanation
A compiler is a program that translates code written in a high-level programming language into machine-level code that can be understood and executed by a computer. It takes the source code as input and produces an executable file or object code as output. The compiler performs various tasks such as lexical analysis, syntax analysis, semantic analysis, optimization, and code generation. Its main purpose is to convert human-readable code into machine-readable instructions.
41.
When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?
Correct Answer
A. ANSI
Explanation
ANSI (American National Standards Institute) is the standard used for converting keystrokes into corresponding bits when a key is pressed on the keyboard. ANSI is widely used in the United States and is compatible with ASCII (American Standard Code for Information Interchange), which is a character encoding standard used for representing text in computers and other devices. EBCDIC (Extended Binary Coded Decimal Interchange Code) is another character encoding standard, but it is primarily used on IBM mainframe computers. ISO (International Organization for Standardization) is a standard-setting body that develops and publishes international standards, but it is not specifically used for converting keystrokes into bits.
42.
Which of the following devices have a limitation, that we can only add information to it but cannot erase or modify it:
Correct Answer
D. CDROM
Explanation
CD ROM stands for Compact Disc Read-Only Memory. As the name suggests, it is a storage device that can only read information from it, but cannot erase or modify the data that is stored on it. This is because the data on a CD ROM is written during the manufacturing process and is not intended to be changed. Therefore, once data is written onto a CD ROM, it becomes permanent and cannot be altered or deleted.
43.
Which of the following storage devices can store maximum amount of data?
Correct Answer
B. Hard Disk
Explanation
A hard disk can store the maximum amount of data compared to other storage devices listed. Floppy disks have very limited storage capacity, compact disks can store more data than floppy disks but less than hard disks, and magneto optic disks have a higher storage capacity than compact disks but still less than hard disks. Therefore, the hard disk is the correct answer as it can store the maximum amount of data.
44.
Memory is made up of:
Correct Answer
C. Large number of cells
Explanation
Memory is made up of a large number of cells. These cells are responsible for storing and retrieving data. Each cell can store a bit of information, which can be either a 0 or a 1. The cells are organized in a way that allows for easy access and retrieval of data. Therefore, the correct answer is "Large number of cells".
45.
Primary memory stores:
Correct Answer
D. All of these
Explanation
Primary memory, also known as main memory, is responsible for storing data, programs, and results temporarily while the computer is running. It is directly accessible by the CPU and is used to store instructions and data that the CPU needs to process. Therefore, the correct answer is "All of these" as primary memory stores data, programs, and results.
46.
Which device can understand the difference between data & programs?
Correct Answer
D. Microprocessor
Explanation
A microprocessor is a device that can understand the difference between data and programs. It is a central processing unit (CPU) that executes instructions and performs calculations. The microprocessor is responsible for processing data and executing programs, making it capable of distinguishing between the two. Input and output devices, on the other hand, are used for inputting and outputting data respectively, while memory stores data and programs but does not have the capability to differentiate between them.
47.
The cabinet containing the computer’s working parts is known as the:
Correct Answer
A. Workstation
Explanation
The cabinet containing the computer's working parts is known as the workstation. This is because the workstation is typically a physical unit that houses the computer's components, such as the motherboard, processor, memory, and storage devices. It is where the computer's processing and data storage takes place. The term "system unit" refers to the main body of the computer, which includes the workstation along with other components like the monitor, keyboard, and mouse. A local hard drive, on the other hand, refers specifically to a storage device within the computer, not the entire cabinet. Therefore, the correct answer is workstation.
48.
You are requested to disable a particular hardware device, which is built into the motherboard. Which of the following are the valid ways to do so?
Correct Answer
C. Right-click the My Computer icon on the desktop, choose Manage, and then select Device Manager
Explanation
The correct way to disable a hardware device built into the motherboard is to right-click the My Computer icon on the desktop, choose Manage, and then select Device Manager. This will allow you to access the Device Manager where you can disable the specific hardware device. The other options mentioned, such as choosing Properties and Device Management or entering ilocaldev.msc from a command prompt, are not valid ways to disable a hardware device.
49.
This network is purely IP based. You are troubleshooting some IP connectivity issues. You are using some of the command line utilities on a connected WinXP PC. Refer to the exhibit. What command can you use to display such result?
Correct Answer
D. Ipconfig /all
Explanation
The correct answer is "ipconfig /all". The command "ipconfig /all" is used to display the IP configuration details of all network interfaces on a Windows XP PC. It provides information such as IP address, subnet mask, default gateway, DNS servers, and more. This command can help troubleshoot IP connectivity issues by providing a comprehensive view of the network configuration.
50.
You are troubleshooting your WinXP system. You want to invoke the Help And Support Center, and you fail. For the Help And Support Center to function, which of the following services must be running?
Correct Answer
B. Helpsvc.exe
Explanation
The Help And Support Center in WinXP requires the Helpsvc.exe service to be running in order to function properly.