Computer Science Exam 8

* defined as programs written for computer systems System Software O Application Software O * Application Software examples Compilers and operating systems O Word processors and spreadsheets O * In C language is invalid identifier ABX O ABX& O ABX_A O *In C language...... Declaration visible within function only Global O Local O

Can you please fill these three out

1) reading and executing instructions and commands from the hard read memory, which is one of the functions of: a) icons b) programming languages ​​c) main memory d) operating system 2)(.......)It is a set of facts and observations about something that has not been processed, which can be obtained by observation or research a) information b) processing c)data d)storage. 3) The time it takes for the operating system in Windows 7 to fully install is: a) 20 minutes b) 22 minutes) 24 minutes d) 26 minutes. 5)If we want to recover the last file that was removed by the user, this is done by right-clicking the mouse on any empty space and choosing: a)Restore b)Recycle Bin b)Undelete c)Drag and Drop. 6) The device connected to the central processing unit and controlled by the processor is called: a)ROM b)RAM c)Screen d)supplement

True or False" CPU stands for the Central Processing Unit. It is the processing chip that serves as the "brains" of a device that interprets (or processes) the digital instructions * ".provided by applications True False

37. A central computer that holds collections of data and programs for many PCs, workstations and other computers is a(n) —— a) supercomputer b) minicomputer c) laptop d) server

LESSON REVIEW TRUE / FALSE Circle T if the statement is true or F if the statement is false. T F T F 1. The information processing eycle includes steps for handling input, processing, output, and storage. 2. Hardware is what makes a computer useful, not the software. 3. The purpose of application software is to operate and control computer hardware hy running utility programs. T F T F 4. One step in the boot process is to perform the power-on self-test (POST), which makes sure critical system components are working properly. T F 5. All personal computer operating systems are considered multiuser operating systems. MULTIPLE CHOICE Select the best response for the following statements. 1. Four popular A. personal operating systems include iOS, Android, Windows Phone, and Windows RT. C. server B. mobile D. network 2. In a computer system, a is any component the system requires to do work. A. user interface C. resource B. utility program D. platform 3. A operating system lets you work with…

Top SERIES Movies... H Achieve3000: Home Question 49 Classes Which of the following is not true about the machine cycle? Question 50 Canvas for Students Microsoft Office O Storing means writing the result to a storage medium (not to memory). O Fetching is the process of obtaining a program, instruction, or data from memory. O Decoding refers to the process of translating instruction into signals the computer can execute. O Executing is the process of carrying out the commands.

P Flag question Pick the correct answer from the below-given choices and drop it in the appropriate boxes 1. When a computer is switched on, the OS from a hard disk is loaded into the main memory. This process is known as 2. refers to identifying each user of the system and associating the executing programs with those users. 3. The part of the Operating System that carries out the selection of the process from the Ready State is called 4. is the process of handshaking between host and low-level hardware device, it also coordinates with the controller. Interrupts Booting Polling Compaction Segmentation Scheduler Paging Virtual Memory Scheduling Fragmentation Dispatcher Computer Security

Enumeration

The following are some of the most crucial roles that an operating system plays in a computer system:

Computer (abbreviated PC) is a general-purpose single-user microcomputer that is intended to be used by just one person at a time. explain?

is an operating system capable of simulating all of a computer's physical components.

470. For multiprogramming, large main memory is required to accommodate a. User programs b. Operating system c. Resource sharing d. Both a and b

a)  _____ is used to identify the devices and memory connected to the CPU. b) The number of tasks that can be completed in a given time interval. c) A ____ is a system that detects sensory information from its surroundings and transforms it into data that can be interpreted by humans or machines.

An operating system's "kernel" consists of the following elements:

45. Supercomputers _______ a) are smaller in size and processing capability than mainframe computers b) are common in majority of households c) contain thousands of microprocessors d) are rarely used by researchers due to their lack of computing capacity