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Quiz Sistem Bilangan Digital

Total questions: 41

Worksheet time: 21mins

Name
Class
Date
1.

The radix notation for binary numbers is

a)

222

b)

2(1010)

c)

10101(2)

d)

1010(2)

e)

2(1010)

2.

The place value of hexadenary indicated by the number 5 in the number 12345 is

a)

256

b)

16

c)

1

d)

4096

e)

65536

3.

The correct order of hexadecimal numbers from the lowest value is

a)

A, C, E, F, G

b)

0 and 1

c)

0,1,2,3,4,5,6, and 7

d)

6, 7, B, C, D, E, F

e)

0,1,2,3,4,5,6,7,8, and 9

4.

Determine the result of the binary addition below!

a)

0 + 0 =

b)

0 + 1 =

c)

1 + 0 =

d)

1 + 1 =

e)

1 + 1 + 1 =

5.

The advantages of using binary number systems (digital) in electronics systems, except:

a)

Program execution is slower

b)

The signals produced are better and more accurate

c)

Lower noise or interference

d)

Can be programmed and calculations can be done through programs

e)

Better flexibility and functionality

6.

What is the result of converting the number 160(10) into binary!

a)

11000001(2)

b)

10010000(2)

c)

10100000(2)

d)

10010000(2)

e)

11000011(2)

7.

What is the result of converting the number 45(10) into binary!

a)

101111(2)

b)

101101(2)

c)

101100(2)

d)

101110(2)

e)

100101(2)

8.

What is the result of the binary addition below! 100011(2) + 100001(2)?

a)

1000100(2)

b)

1000010(2)

c)

1001000(2)

d)

1000001(2)

e)

1001001(2)

9.

What is the result of 132 (8) + 46 (8)?

a)

200

b)

200(8)

c)

178(8)

d)

178)

e)

188(8)

10.

What is the result of 172 (8) + 46 (8)?

a)

240(8)

b)

240

c)

218(8)

d)

218)

e)

188(8)

11.

Given Z10= 512. Write the number in Binary Coded Decimal!

a)

0101 0001 0010(BCD)

b)

010100010010(BCD)

c)

0101 0010 0001(BCD)

d)

010100100001(BCD)

e)

101 0001 0010(BCD)

12.

Refer to the truth table below!

a)

INPUT A

b)

INPUT B

c)

0

d)

1

e)

1

13.

Refer to the circuit diagram of the basic gate below!

a)

NOR

b)

NOT

c)

X - OR

d)

AND

e)

NAND

14.

Refer to the circuit diagram below!

a)

NOR Gate S-R Flip-flop

b)

D Flip-flop

c)

NAND Gate S-R Flip-Flop

d)

Clocked S-R Flip-flop

e)

J-K Flip-flop

15.

Refer to the diagram below!

a)

F = ABC + ACD

b)

F = ABD + ABC

c)

F = ABC + BCD

d)

F = ABD + ACD

e)

F = ACD + BCD

16.

Which of the following is included in the hardware devices in a computer system, except...

a)

Scanner as an Input device

b)

Speaker as an Output device

c)

Flashdisk as Storage media

d)

RAM as processing device

e)

Mainboard as storage

17.

Software in computer systems consists of operating system software, language software, and application software. The function of the operating system is as follows, except...

a)

Manage software with computer hardware

b)

Manage all

18.

What is the function of the operating system, except...

a)

Manage software with computer hardware

b)

Manage all operations of all computer hardware

c)

Manage and give commands to the computer network

d)

Manage software operations of the computer

e)

Manage computer file management

19.

Which of the following is included in the operating system, except...

a)

UNIX

b)

SKYPE

c)

LINUX

d)

MAC OS

e)

NOVELL

20.

Which of the following is included in the brainware of the computer system, except...

a)

Web design

b)

System analyst

c)

Programmer

d)

Operator

e)

EDP Manager

21.

Which of the following is a main part of the Van Neumann machine architecture, except...

a)

ROM

b)

I/O

c)

ALU

d)

CU

e)

Memory

22.

The usefulness of the symbol above is...

a)

A symbol used to select processes or decisions based on existing conditions

b)

To show activities performed by the computer.

c)

A symbol used to prepare storage in storage.

d)

Indicates input-output processes that occur regardless of the type of equipment.

e)

A symbol that states the use of output equipment

23.

The image above represents symbols found in a flowchart. Based on the order 1, 2, and 3, image number 3 above indicates the symbol...

a)

FLOWLINE

b)

PREPARATION

c)

DECISION

d)

DECISION, FLOWLINE

e)

PREPARATION, FLOWLINE

24.

Here are some examples of tools used to receive input on a computer: 1. Keyboard 2. Mouse 3. Barcode 4. Key to Disk 5. Graphic tablet. Which of the following is a direct input tool?

a)

1, 2, 3, 4

b)

1, 2, 3, 5

c)

1, 2, 4, 5

d)

2, 3, 4, 5

e)

None of the above

25.

Input devices are tools used to receive input. Input devices can be classified into two categories, namely direct input devices and indirect input devices. Which of the following is an indirect input device?

a)

Key to Card

b)

Barcode

c)

Light Pen

d)

Scanner

e)

Graphic Tablet

26.

Here are some examples of tools used to receive input on a computer: 1. Keyboard 2. Sensor 3. Barcode 4. Key to Disk 5. Graphic tablet. Which of the following is a direct input tool?

a)

1, 2, 3, 4

b)

1, 2, 4, 5

c)

1, 2, 3, 5

d)

2, 3, 4, 5

e)

1 and 2

27.

Based on its shape, the keyboard above is...

a)

PS/2 Keyboard

b)

USB Keyboard

c)

Bluetooth Keyboard

d)

Serial Keyboard

e)

Wireless Keyboard

28.

The clock speed of a processor is measured in...

a)

Bps

b)

bps

c)

speed

d)

Hz

e)

Kbps

29.

Which of the following is a function of the ALU (Arithmetic Logical Unit)...

a)

Provide direction/control over arithmetic and logic operations/calculations

b)

Perform arithmetic and logic operations/calculations

c)

Retrieve data from main memory

d)

Control the use and access to the Data Bus and Address Bus

e)

A link between devices on the computer used as a medium for passing data

30.

An electronic component that contains a microprocessor circuit, memory (RAM/ROM), and I/O, the circuit is found at the chip level or commonly called a single chip microcomputer. The above definition is the definition of.....

a)

Microcontroller

b)

RAM

c)

Hard disk

31.

The above definition is the definition of.....

a)

Microcontroller

b)

RAM

c)

Harddisk

d)

Motherboard

e)

BUS

32.

The following are the stages of the machine language instruction cycle that must be performed by the CPU: 1. Store the results of the process to memory 2. Execute the action of the received instruction 3. Decode the instruction into commands that can be understood by the computer 4. Fetch the instruction from memory. The correct order of the machine language instruction cycle stages is…

a)

2, 4, 3 and 1

b)

2, 3, 4 and 1

c)

3, 4, 2, and 1

d)

4, 3, 2, and 1

e)

4, 2, 3, and 1

33.

Observe the computer block diagram below, which illustrates the data processing that occurs:

a)

Data from the input device passes through the control bus sent to the CPU and processed by the storage media

b)

Data passes from the Input terminal to the CPU

c)

Data from the input device passes through the Input terminal processed by the CPU and stored in the storage media

d)

Data from the input and output devices passes through the control bus sent to the CPU and storage media

e)

Data from the input device passes through the output terminal sent to the CPU and storage media

34.

Observe the computer block diagram below, the component indicated by number 2 is…..

a)

OUTPUT DEVICE

b)

INPUT DEVICE

c)

I/O PORTS to INPUT DEVICE

d)

I/O PORTS to INPUT DEVICE

e)

I/O PORTS

35.

ROM is a type of memory that is often used to install permanent instructions to the computer. These instructions will never change. The full form of ROM is:

a)

Random On Memory

b)

Random Only Memory

c)

Random Access Memory

d)

Read On Memory

e)

Read Only Memory

36.

A non-volatile computer hard disk allows for:

a)

Data stored can be read, deleted, and rewritten

b)

Has the ability to store large amounts of data

c)

Data entered occupies sectors

d)

Data stored in binary form

e)

Easy to use

37.

Observe the image above, the storage media connected to the computer has the following weaknesses, except:

a)

Very vulnerable to viruses

b)

Easier to damage

c)

Heats up faster

d)

Must always be connected to USB

e)

Slower data management

38.

The type of RAM that has the characteristic of not needing to be refreshed periodically and is divided into Asynchronous and Synchronous based on its function is:

a)

DRAM

b)

EDORAM

c)

SRAM

d)

SDRAM

e)

RDRAM

39.

1 Kilobyte in computer memory contains the value:

a)

1024 Kilobytes

b)

1024 Megabytes

c)

1024 Terabytes

d)

8 bits

e)

1024 Bytes

40.

The type of ROM that can be erased using an EEPROM Rewriter is the following type of ROM:

a)

Mask ROM

b)

Electricity EPROM

c)

Programmable ROM

d)

Erasable PROM

e)

Flash ROM

41.

Si Wawan bought an internal hard disk with a capacity of 500 Gb. The actual capacity of Wawan's internal hard disk based on computer calculations is:

a)

465.66 Gb

b)

466.66 Gb

c)

467.66 Gb

d)

468.66 Gb

e)

469.65 Gb

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