Who is considered the 'father' of the minicomputer and one of the founder fathers of the modern computer industry world-wide?

A path by which communication is achieved between a central processor and other devices is called

If the memory address space is 16 MB and the word size is 8 bits, then word.bits are needed to access each

Which printer uses a combination of laser-beam & electro photographic techniques.

RISC (reduced instruction set computer). The strategy behind RISC architecture is to have a small set of instructions that do a minimum number of

Instructions and memory addresses are represented by

The base of the octal number system is

The maximum value of a binary integer with K digits. For example, if K = 5, then the maximum value is

The maximum value of an octal integer with K=2 digits is Nmax =

Conversion of binary number 1010101000010111 to hexadecimal number is

What is the number of bit patterns provided by a 7-bit code?

A byte consists of

If we cannot record all the values of an audio signal over an interval, we can record some of them.means that we select only a finite number of points on the analog signal, measure their values, and record them

Images are stored in computers using techniques?

Use a simple right shift operation on the bit pattern 1001 1000.

Use a simple left shift operation on the bit pattern 1001 1000

Which network is a packet switching network?

The TCP/IP model has layers.

An IPv4 address is a____address that uniquely and universally defines the connection of a host or a router to the Internet

The acts as a liaison between a client program and a server program, a process-to-process connection.

In paradigm, there is no need for a server process to be running all the time and waiting for the client processes to connect.

All the instructions and procedures needed to start up a computer, to the point it can load an operating system,are stored in ROM chips. In IBM compatible PCs this is called the

A multi programming system is one that can

Which technique is used in multiprogramming that needs to be determined size beforehand by the memory manager and with each program occupying a contiguous space?

Every process is

Why OS is responsible for the efficient use of input/output devices?

The list of coded instructions is called

a lot of detail is an English-language-like representation of an algorithm. There is no standard for it- some people use

We use the search for an ordered list.

The items are divided into two lists (sorted and unsorted)sort.

First CAD system called AutoCAD for the PCs was announced in the year 1982. Can you tell who announced it?

Programs designed to perform specific tasks is called known as

What is language of procedural paradigm that is high level language and also has some low-level instructions?

A is a unit of code consisting of zero or more statements. It is also known as a block.Example: X = 1; Y = 20; }

In a languages the project team needs to choose a language or a set of languages from among the procedural

Defining the users, requirements, and methods is part of the phase.

In the system development process, structure charts are tools used in the phase.

What is quality referring to the ability to move software from one hardware platform to another

What is the method in black-box testing that a subset of values in the input domain is selected for testing?.

What is more common technique of two-dimensional arrays that can be stored in memory?

is a set of characters that is treated like an array in some languages and as a type in others.

The name of a linked list is the name of the head pointer that points to the of the list.

The Stack operation returns a/an

A binary search tree (BST) is a binary tree with one extra property: the key value of root is _____ the key values of all nodes in each left subtree

The queue operation: "queue (queueName)" is used to

When a sequential file is updated, the file gets the actual update.

If the transaction file key is 20 and the first master file key is 25, then we

The method is used when a collision occurs the prime area addresses are searched for an open or unoccupied record where the new data can be placed.

The intersection of a column and row in a spreadsheet is called a bon or

In the relational database model, data is organized in called relations.

Each column in a relation is called

Which of the following is a binary operator?

The term users in a DBMS has a broad meaning. We can divide users into:

Which of following that describe to protect data that information needs to be protected from unauthorized change?

When the ciphertext is received the receiver must transform the ciphertext back into the plaintext-this is

______is an independent program which can copy itself and which travels through the network. It tries to find weaknesses in the system to inflict harm

Sending a virus to a computer is called an____ attack.

In a the relationship between a character in the plaintext to a character in the ciphertext is one-to-many

In RSA, if user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key of

According to the von Neumann model, are stored in memory.

What generation appeared high-level programming language?

In the fetch phase, the control unit orders the system to copy the next instruction into the in the CPU.

A is a storage device that can undergo multiple writes and erasures.

What is the name of the display feature that highlights areas of the screen which require operator attention?

What is taxonomy of computer organization?

Which is a unit representing the no bits of discrete.

Binary numbers need more places for counting because:

Convert the FRACTION decimal number 0.625 to binary

A group contains bits in the binary system are represented as one digit in the octal system.

Conversion of binary number 1010101000010111 to hexadecimal number is

Assume a new Excess system uses 17 bits to represent the exponent section. What is he bias value in this system?

A 32-bit code called represents symbols in all languages.

In storing audio, how many samples per second is good enough to reproduce an audio signal?

The scanning rate in image processing is called_____. If the resolution is sufficiently high, the human eye cannot recognize the discontinuity in reproduced images

Use a simple right shift operation on the bit pattern 1001 1000.

A hybrid computer uses a to convert digital signals from a computer into analog signals.

In physical layer, a can have only a limited number of defined values. Although each value can be any number, it is often as simple as 1 and 0.

At the transport layer, addresses are called source and destination.and these define the application-layer programs at the

is the standard protocol provided by TCP/IP for copying a file from one host to another and transferring files from one system to another seems simple and straightforward.

In paradigm, the service provider is an application program, it runs continuously, waiting for another application program, then to make a connection through the Internet and ask for service

The major design goals of an operating system:

A program may need files located in different parts of the world. Networking and internetworking have created a new dimension in operating system that is

Which technique is used in multiprogramming that needs to be determined size beforehand by the memory manager and with each program occupying a contiguous space?

can occur if a process has too many resource restrictions.

The device manager will be tracking every device constantly to ensure that the device is

The construct uses a set of actions one after another.

______hides all the details of an algorithm in an attempt to give the 'big picture' and to show how the algorithm flows from beginning to end.

_____ is a basic algorithm that arranges data according to its value.

In sort, the smallest item moves to the beginning of the unsorted list. There is no one-to-one swapping.

_____refers to the process of translating each line of the source program into the corresponding line of the object program and executing the line.

A uses the principle of logical reasoning to answer queries. It is based on formal logic defined by Greek mathematicians and later developed into firstorder predicate calculus

What is statement that stores the value in the variable, which has already been created in the declaration section. We use the symbol in our algorithm to define it?

What is model a process of software development where requirements divided into multiple standalone modules of the software development cycle?

One phase in system development is

is a measure of how tightly two modules are bound to each other.

refers to the ability to move data and/or a system from one platform to another and to reuse code.

To search for elements, we can use on sorted arrays that can help to decrease time complexity

Each element in a record is called

The name of a linked list is the name of the head pointer that points to the of the list.

A stack is a___ structure

A binary search tree (BST) is a binary tree with one extra property: the key value of root is values of all nodes in each left subtree the key

A(n)list is also known as a queue.

If personal information about each employee in a company is stored in a file we can use retrieve each record at the end of the month to print the paychecks access to

If the transaction file key is 20 and the first master file key is 25, then we

The is the highest level in the file system hierarchy. This does not have a parent directory

A is a collection of related logically coherent data used by the application programs in an organization.

In the relational database model, data is organized in_____called relations.

is needed to allow any relation in the database to be represented, to allow a language like SQL to use powerful retrieval operations composed of atomic operations,to remove anomalies in insertion, deletion, and updating, and reduce the need for restructuring the database as new data type are added.

The unary ____ operation always results in a relation that has exactly one more row than the original relation.

is the process by which a given set of relations are transformed to a new set of relations with a more solid structure.

In the attacks threaten the confidentiality based on monitoring online traffic they can obtain some other type of information by

Before transmission the sender transforms the plaintext into the ciphertext-this is

The of ethics says that an act is ethical if it brings about a useful for society

these are the "bad guys". They are the types of hackers who break into computer networks with purely negative motives such as monetary gain or reputation.

A does not substitute one symbol for another; instead it changes the location of the symbols

In______cryptography, everyone has access to everyone's public key.

_________________ separated the programming task from computer operation tasks.

A 17th-century computing machine that could perform addition and subtraction was the

After the instruction is decoded, the control unit sends the task order to a component in the CPU. What is this phase?

RAM is used as a short memory because it is

For surface organization of magnetic tape, the width of the tape is divided into nine tracks. Nine vertical locations can store 8 bits of information related to a byte plus a bit for

IBM-PC is an example of

Instructions and memory addresses are represented by

Computers are extremely fast and have fantastic memories. However, the only thing they can remember is

Which of the following is equivalent to 12 in decimal?

A group contains bits in the binary system are represented as one digit in the octal system.

Conversion of binary number 1010101000010111 to hexadecimal number is

What is the result of storing -25 in an 8-bit memory location using two's complement representation?

The ASCII code for the character J is:

If we call the bit depth or number of bits per sample B, the number of samples per second S, so how to calculate BIT RATE (R)?

In the graphic method of representing an image in a computer, re-scaling of the image creates a ragged or grainy image.

Use a arithmetic right shift operation on the bit pattern 1001 1000

Use a simple left shift operation on the bit pattern 1001 1000

Which physical topology uses a hub or switch?

The TCP/IP model has ___ layers.

The format of an Ipv6 address is referred to as

explicitly defines connection establishment, data transfer, connection teardown phases to provide a connection-oriented service AND reliable protocol

In a the directory system listing of the peers and what they offer uses the client-server paradigm, but the storing and downloading of the files are done using the peer-to-peer paradigm.

A memory that does not change its contents without external causes is known as

Which of the following is the user programmed semiconductor memory?

Which of the following holds data and processing instructions temporarily until the CPU needs it?

A is a program in execution. It is a program that has started but has not finished

What kind of state does a process execute until it needs I/O resources when I/O is complete?

is a step-by-step method for solving a problem or doing a task.

hides all the details of an algorithm in an attempt to give the 'big picture' and to show how the algorithm flows from beginning to end.

is a process in which an algorithm calls itself.

In unsorted list.sort, the smallest item from the unsorted list is swapped with the item at the beginning of the

The program in a high-level language is called the

The code that should be adequate for present and anticipated data processing both for machine and human use is

In the _________________________________ we can think of a program as an active agent that manipulates passive objects.

________ are names for memory locations

A/An ________ gives the user's view of a system: it shows how the user communicates with the system

One phase in system development is

_______ between modules in a software system must be maximized.

What is quality referring to the ability to move software from one hardware platform to another

Testing a software system can involve testing.

A data structure can be

A______is a collection of related elements possibly of different types having a single name

Given a linked list called children, the pointer variable children identifies _______ element of the linked list.

Inside the ADT are two different parts of the model that are _________ and __________

The ________ of each node includes one of its children and all descendents of that child

The enqueue operation an item at the of the queue.

A _____is a collection of data stored in the internal format of the computer. This contains data that is meaningful only if it is properly interpreted by a program.

When a sequential file is updated, the process.file contains a list of all errors occurring during the update

When a hashing algorithm produces an address for an insertion key and that address is already occupied, it is called a

The intersection of a column and row in a spreadsheet is called a bon or

In the network database model, the entities are organized in a through several paths in which some entities can be accessed

The intersection of a column and row in a spreadsheet is called a bon or

In the network database model, the entities are organized in a through several paths in which some entities can be accessed

Each column in a relation is called

The unary relation.operation always results in a relation that has exactly one more row than the original

is the process by which a given set of relations are transformed to a new set of relations with a more solid structure.

Which of the following attacks is threatening integrity?

Before transmission the sender transforms the plaintext into the ciphertext-this is

The ethical principle that dictates that an act is ethical when a majority of people in society agrees with it is referred to as

Who create algorithms to break existing internet networks so as to solve the loopholes in them

In a stream cipher encryption and decryption are done one symbol. We have a plaintext stream a ciphertext stream and a

The RSA algorithm for confidentiality uses ______cryptography.

The first microprocessors produced by Intel Corpn. and Texas Instruments were used primarily to control small