Join Us ::

Menu Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

GAT Subject :: All Aptitude Test ::

Home » GAT Subject » Aptitude Test - 180
Hassan
1.Link encryption
A. is more secure than end-to-end encryption
B. is less secure than end-to-end encryption
C. can not be used in a public network
D. is more secure than end-to-end encryption
2.A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as
A. multiprogramming
B. multi threading
C. broadcasting
D. multiprogramming
3.The table created by lexical analysis to describe all literals used in the source program, is
A. Terminal table
B. Literal table
C. Identifier table
D. Terminal table
4.In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.
A. absolute mode
B. immediate mode
C. index mode
D. absolute mode
5.Under virtual storage,
A. a single program is processed by two or more CPUs
B. two or more programs are stored concurrently in primary storage
C. only the active pages of a program are stored in primary storage
D. a single program is processed by two or more CPUs
6.A base register table
A. allows the programmer to write base registers and displacements explicitly in the source program.
B. is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.
C. allows multiple programs to reside in separate areas of core at the same time.
D. allows the programmer to write base registers and displacements explicitly in the source program.
7.File record length
A. should always be fixed
B. Should always be variable
C. depends upon the size of the file
D. should always be fixed
8.A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as
A. semaphore
B. mutual exclusion
C. multiprogramming
D. semaphore
9.What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?
A. XENIX
B. UNIX
C. OS/2
D. XENIX
10.The most common security failure is
A. carelessness by users
B. depending on passwords
C. too much emphasis on preventing physical access
D. carelessness by users
11.Block or buffer caches are used
A. to improve disk performance
B. to handle interrupts
C. to increase the capacity of main memory
D. to improve disk performance
12.The practice of "bundling" refers to
A. selling computers alone
B. selling peripheral devices with computer
C. selling software to run on computers
D. selling computers alone
13.Special software to create a job queue is called a
A. Drive
B. Spooler
C. Interpreter
D. Drive
14.All the time a computer is switched on, its operating system software has to stay in
A. main storage
B. primary storage
C. floppy disk
D. main storage
15.Can you name of the major Operating System used in computers?
A. MS DOS
B. OS/2
C. UNIX
D. MS DOS
16.Which of the following is not an advantage of multiprogramming?
A. increased throughput
B. shorter response time
C. decreased operating-system overhead
D. increased throughput
17.Virtual Memory
A. is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
B. consists of those addresses that may be generated by a processor during execution of a computation.
C. is a method of allocating processor time.
D. is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
18.In a magnetic disk, data is recorded in a set of concentric tracks which are subdivided into
A. periods
B. sectors
C. zones
D. periods
19.The total time to prepare a disk drive mechanism for a block of data to be read from it is
A. latency
B. latency plus transmission time
C. latency plus seek time
D. latency
20.Part of a program where the shared memory is accessed and which should be executed invisibly, is called
A. semaphores
B. directory
C. critical section
D. semaphores
21.Indicate which, of the following, is not true about Nassi-Shneiderman charts
A. These charts are type of graphical design tool
B. These charts cannot represent CASE constructs
C. These charts can represent three fundamental control structures
D. These charts are type of graphical design tool
22.What is the name of the operating system that reads and reacts in terms of actual time.
A. Batch system
B. Quick response system
C. Real time system
D. Batch system
23.An incremental backup
A. should be done each month
B. uses more tapes
C. saves all files
D. should be done each month
24.The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called
A. Software
B. Shareware
C. Firmware
D. Software
25.The operating system of a computer serves as a software interface between the user and
A. hardware
B. peripheral
C. memory
D. hardware
26.Which of the following statement is true.
A. The LRU algorithm pages out pages that have been used recently
B. Thrashing is a natural consequence of virtual memory systems.
C. Seek analysis is used for analysing control-unit busy problems.
D. The LRU algorithm pages out pages that have been used recently
27.Which of the following is a phase of a compilation process
A. Lexical analysis
B. Code generation
C. Both of the above
D. Lexical analysis
28.Which are the most important features of Microsoft Windows program?
A. Windows
B. Pull-down menus
C. Icons
D. Windows
29.Which of the following system program forgoes the production of object code to generate absolute machine code and load it into the physical main storage location from which it will be executed immediately upon completion of the assembly?
A. two pass assembler
B. load-and-go assembler
C. macroprocessor
D. two pass assembler
30.Virtual memory is
A. simple to implement
B. used in all major commercial operating systems
C. less efficient in utilization of memory
D. simple to implement
Related Subjects

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers    
Our Team | Career | Contact | JoinUs | Privacy Policy | DMC

© 2020-2024 by Pak-MCQs.net All Rights Reserved.

Email: [email protected]