Unit 102.02 Review

What is the binary value for 23? A. 101010 B. 10111 C. 100011 D. 111111

10111

What is the deciaml value for 10100111? A. 167 B. 155 C. 169 D. 225

167

Preciseness of a computer carrying out instructions. A. Accuracy B. Versatility C. Reliability D. Speed

Accuracy

Name of the highly successful mass-produced microcomputer designed by Steve Wozniak and stylized and marketed by Steve Jobs. A. Alto B. Apple II C. IBM PC D. Altari 8800

Apple II

Seth is building himself a new computer. He is looking at the various CPUs trying to decide which one to purchase. He has narrowed his search to two types with different CPU operating speeds. Which of the following refers to CPU operating speeds? A. Clock speed B. CPU speed is measured in MHz C. Cache speed D. Cycles per second

Clock speed

What is the Hex value for 224? A. AA B. E0 C. FF D. EF

E0

Casey is trying to decide if her current laptop is sufficient for college. She is concerned with the microprocessor. She knows she has a 3rd generation Core processor with a clock speed of 2.9 GHz. What does the clock speed mean? A. The processor can be overclocked to run at faster than 2.9 GHz B. How quickly a computer can place items in cache memory. C. The CPU performs like a CPU that runs much faster than 2.9 GHz D. How quickly a computer completes basic computations and operations

How quickly a computer completes basic computations and operations

Portable computer with display, keyboard, pointing device, CPU, memory, storage and power in one package. A. Workstation B. Mainframe C. Laptop D. Desktop

Laptop

Data delivered from a computer after manipulation A. Processing B. Storage C. Output D. Input

Output

Of the basic four functions common to all computers, which function consists of the CPU, main memory and controls the data? A. Input B. Processing C. Storage D. Output

Processing

Computer with powerful CPU, more RAM and more storage space that provides network services to other computers. A. Personal Computer (PC) B. Workstation C. Supercomputer D. Server

Server

Computer function that allows data to be permanently saved A. Output B. Processing C. Input D. Storage

Storage

Chandler is trying to distinguish between various computer types. Which of the following computers is composed of many high-performing computers working as a single system? A. Big Blue B. Server C. Mainframe D. Supercomputer

Supercomputer

Inventor of the World Wide Web. A. Tim Berners-Lee B. Bill Gates C. Al Gore D. Tom Watson

Tim Berners-Lee

Is A9 = 10101001? A. True B. False

True

Name of the operating system developed by Microsoft with a graphical user interface. A. CP/M B. UNIX C. Windows D. DOS

Windows