2 In the von Neumann architecture, which component stores both data and instructions? A Control unit B Arithmetic logic unit C Memory D Input devices
4 Which statement is a characteristic of von Neumann architecture? A Instructions and data are stored in the same memory B There is no central memory C It cannot execute stored programs D It has no control unit
5 The Internet can be viewed as a system because it: A Has no components B Consists of interconnected networks with protocols C Does not interact with the environment D Works without any rules
6 Which type of system is a computer network? A Natural system B Artificial system C Biological system D Psychological system
7 What is the Internet an example of? A A natural system B A computing system C A biological system D A psychological system
8 In a computer network, the computers and devices that are connected together are called: A protocols B nodes C environments D outputs
9 The study of computer science is often considered as: A Natural science B Design science C Social science D Physical science
12 In video storage, the number of frames displayed per second is known as: A Frame rate B Resolution C Bit depth D Sample rate
13 What is the primary purpose of two's complement in computer systems? A To represent positive integers B To simplify binary addition and subtraction C To encode text characters D To store real numbers
14 Which text encoding scheme uses a variable number of bytes (1 to 4) for each character? A ASCII B Unicode C UTF-8 D UTF-32
15 What is the process of converting analog audio to digital called? A Sampling B Rendering C Encoding D Compression
18 Which floating-point precision uses 64 bits to store a real number? A Single precision B Double precision C Half precision D Extended precision
19 Which floating-point precision uses 32 bits? A Single precision B Double precision C Extended precision D Quadruple precision
20 In a computer, an image is stored as a grid of small dots called: A Pixels B Points C Cells D Blocks
21 The Internet is best described as a: A Single computer system B Network of networks C Chemical system D Natural system
23 Which of the following is used to store images in computers? A Pixels B Samples C Frames D Characters
24 Which protocol is mainly used for sending and receiving web pages on the Internet? A HTTP B SMTP C FTP D TCP
25 A biological system is best described as a system that: A is made of non-living things only B involves living organisms and their parts C is designed by engineers D only works with computers