CS 105 CH1

What is the range of 8-bit unsigned numbers? a) 0 to 255 b) 0 to 127 c) -64 to +64 d) -127 to 127

0 to 255

The decimal number 14 is represented in base 2 as a) 1011 b) 1110 c) 1100 d) 1010

1110

The number 43 in base 10 is ____________ in base 3. a) 11 b) 0100 0011 c) 1121 d) 1211

1121

A byte is a group of ________ bits. a) 8 b) 16 c) 32 d) 64

8

How many bits is a kilobyte? a) 1024 b) 8192 c) 8000 d) 1000

8000

___________ are specific to users' needs A. System software B. Application software C. Assemblers D. Compilers

Application software

Fifth generation computers are based on A. Artificial Intelligence B. Integrated Circuits C. System Knowledge D. VLSI

Artificial Intelligence

Logical Extension of multiprogramming operating system is A. Time sharing B. Multi-tasking C. Single Programing D. Both B and A

Both B and A

What was the important invention by Blaise Pascal? A. Calculating machine B. Motherboard C. Analytical Engine D. Abacus

Calculating machine

______ data is a discrete representation of information. a) Analog b) Digital c) Frequency d) Amplifier

Digital

Microprocessor was introduced in which generation of computer? A. Second Generation B. Fourth Generation C. Both (A) and (B) D. Third Generation

Fourth Generation

Which of the following are the basic components of a computer? I. Hardware (HW) component II. Software (SW) component III. Data IV. Communication component V. Driver component A. I, II, and III B. I, II, III, and IV C. I, II, III, IV, and V D. II, III, and IV

I, II, III, and IV

Multiprocessing system have advantage of A. Increase throughput B. Expensive handware C. Operating system D. Both A and B

Increase throughput

Touch Screen is ____________. A. Input device B. Output device C. Both a & b above D. None of these

Input device

__________is/are the steps that tell the computer how to perform a particular task. A. Data B. Information C. Instructions D. Documentation

Instructions

The basic architecture of computer was developed by __________ A. John Von Neumann B. Blaise Pascal C. Harvard model D. Garden Moore

John Von Neumann

____________ occurs when the value that we compute cannot fit into the number of bits we have allocated for the result. a) Overflow b) Compression c) Vector d) Lossless

Overflow

All the following are considered as factors of computer systems classification EXCEPT: a) Programing Language b) Speed c) Instruction set d) Main memory size

Speed

Any data or instruction entered into the memory of a computer is considered as A. Storage B. Output C. Input D. Information

Storage

____________are used for carrying out complex, fast and time intensive calculations for scientific and engineering applications. a) Servers b) Mainframes c) Supercomputers d) Personal Computers

Supercomputers

Operating System is the most common type of _________ software. A. Communication B. Application C. System D. Word Processing Software

System

"Manage files, load and execute programs, accept user's instructions" The above statement describes: A. System Software B. Application Software C. System and Application Software D. Computer System

System Software

________ is computer software designed to operate the computer hardware and to provide platform for running application software A. Application software B. System software C. Software D. Operating system

System software

First generation of computer was based on ________ technology. A. Transistor B. LSI C. VLSI D. Vacuum Tube

Vacuum Tube

The operating system creates _________ from the physical computer A. Virtual reality B. Virtual computer C. Virtual machine D. Both A and B

Virtual machine

Today's computer is developed by referring to ________________ model. A. Onion B. Neural Network C. Von Neumann D. Intel

Von Neumann

The base 2 number 1101 plus the base 2 number 1011 is a) 11000 base 2 b) 110100 base 2 c) 11100 d) 26 base 10

a

A CPU contains A. a card reader and a printing device B. an analytical engine and a control unit C. a control unit and an arithmetic logic unit D. an arithmetic logic unit and a card reader

a control unit and an arithmetic logic unit

ASCII code was developed by ________. a) IBM b) ANSI c) IEEE d) CISCO

a) IBM

The base 2 number 1011 represents __________ in base 10 a) 22 b) 11 c) 13 d) 9

b

The computer performs its operations using the _________ number system. a) binary b) base 10 c) base 8 d) base 16

binary

The word "bit" came from a) binary integer digit b) base digit c) binary digit d) base integer digit

binary integer digit

The multiples of 2 in base 2 are: (Hint: multiples of 5 in base 10 are 0, 5, 10, 15, 20, 25...) a) 0, 10, 11, 100, 101, 110, 111, etc..... b) 0, 1, 10, 100, 1000, 10000 c) 0, 10, 100, 1100, 10000 d) 10, 100, 1000, 10 000, 100 0000

c

Low level languages are closer to ___________, while high level languages are closer to____________. A. human, computer B. program, instruction C. computer, human D. instruction, program

computer, human

When the base 10 fraction 0.210 is converted to a base 2 number, the first three digits past the decimal are ____________ a) 111 b) 101 c) 011 d) 001

d

______________ is a combination of hardware and software that facilitates the sharing of information between computing devices. A. network B. peripheral C. expansion board D. digital device

network

All of the following are examples of storage devices EXCEPT: A. hard disk drives B. printers C. floppy disk drives D. CD drives

printers