Exam 2: Computers: the Machines Behind Computing

A bus can be internal or external.

In the context of the power of computers,_____ means saving data in computer memory.

An object code must be translated into source code in order for a computer to be able to read and execute.

Sometimes,fourth-generation languages (4GLs) are called procedural languages.

_____ allow off-site users to connect to network resources,such as network file storage,printers,and databases.

The supervisor program in an operating system (OS) is called the ____.

A server is a set of programs for controlling and managing computer hardware and software.

The most common type of main memory is a semiconductor memory chip made of _____.

Data can be read from and written to random access memory (RAM).

A serial port is a communication interface through which information is transferred one bit at a time.

In a(n) _____ file,each alphabetic,numeric,or special character is represented with a 7-bit binary number.

Write a short note on single processor and multiprocessor systems.

Light pen is an output device.

Discuss the three basic tasks performed by computers.

_____ use laser beams to access and store data.

A computer with a 32-bit processor can perform calculations with larger numbers and be more efficient with smaller numbers than a 64-bit system.

The _____ computers include parallel processing,gallium arsenide chips that run at higher speeds and consume less power than silicon chips,and optical technologies.

A _____ allows data to be stored in multiple places to improve a system's reliability.

A storage area network (SAN) is essentially a network-connected computer dedicated to providing file-based data storage services to other network devices.

What is the most common type of main memory? Describe the purpose of cache RAM.